Exemple #1
0
        public void Create(GLItemsList items, GLRenderProgramSortedList rObjects, float sunsize, GLStorageBlock findbufferresults)
        {
            sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.FromArgb(255, 220, 220, 10), Color.FromArgb(255, 0, 0, 0) },
                                                                     autoscale: 30, autoscalemin: 1, autoscalemax: 2, useeyedistance: false);
            sunshader = items.NewShaderPipeline(null, sunvertex, new GLPLStarSurfaceFragmentShader());

            shapebuf = items.NewBuffer(false);
            var shape = GLSphereObjectFactory.CreateSphereFromTriangles(2, sunsize);

            shapebuf.AllocateFill(shape);

            GLRenderState starrc = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear

            starrc.DepthTest  = true;
            starrc.DepthClamp = true;

            var textrc = GLRenderState.Tri();

            textrc.DepthTest          = true;
            textrc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

            int texunitspergroup = 16;

            textshader = items.NewShaderPipeline(null, new GLPLVertexShaderMatrixTriStripTexture(), new GLPLFragmentShaderTexture2DIndexMulti(0, 0, true, texunitspergroup));

            slset = new GLSetOfObjectsWithLabels("SLSet", rObjects, texunitspergroup, 100, 10,
                                                 sunshader, shapebuf, shape.Length, starrc, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles,
                                                 textshader, BitMapSize, textrc, SizedInternalFormat.Rgba8);

            items.Add(slset);

            var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);

            findshader = items.NewShaderPipeline(null, sunvertex, null, null, geofind, null, null, null);
        }
Exemple #2
0
        /// <summary>
        /// Construct a control display
        /// </summary>
        /// <param name="items">Items to store GL data to</param>
        /// <param name="win">GLWindowControl to hook to</param>
        /// <param name="mc">Matrix Calc to use</param>
        /// <param name="depthtest">Enable depth test</param>
        /// <param name="startz">Start Z for nearest top level window</param>
        /// <param name="deltaz">Delta Z between each top level window</param>
        /// <param name="arbbufferid">ARB buffer to use for texture bindless storage</param>
        public GLControlDisplay(GLItemsList items, GLWindowControl win, GLMatrixCalc mc,
                                bool depthtest  = true,             // do depth testing or not
                                float startz    = 0.001f,           // z for the deepest window (only will apply if depth testing
                                float deltaz    = 0.001f,           // delta betwwen them
                                int arbbufferid = 10
                                ) : base("displaycontrol", new Rectangle(0, 0, mc.ScreenCoordMax.Width, mc.ScreenCoordMax.Height))
        {
            glwin      = win;
            MatrixCalc = mc;
            context    = GLStatics.GetContext();

            this.items = items;

            vertexes = items.NewBuffer();

            vertexarray = items.NewVertexArray();
            vertexes.Bind(vertexarray, 0, 0, vertexesperentry * sizeof(float));                            // bind to 0, from 0, 2xfloats. Must bind after vertexarray is made as its bound during construction

            vertexarray.Attribute(0, 0, vertexesperentry, OpenTK.Graphics.OpenGL4.VertexAttribType.Float); // bind 0 on attr 0, 2 components per vertex

            GLRenderState rc = GLRenderState.Tri();

            rc.PrimitiveRestart = 0xff;
            rc.DepthTest        = depthtest;

            this.startz = startz;
            this.deltaz = deltaz;

            ri = new GLRenderableItem(PrimitiveType.TriangleStrip, rc, 0, vertexarray); // create a renderable item
            ri.CreateRectangleElementIndexByte(items.NewBuffer(), 255 / 5);             // note this limits top level controls number to 255/5.
            ri.DrawCount = 0;                                                           // nothing to draw at this point

            shader = new GLShaderPipeline(new GLPLVertexShaderScreenTexture(), new GLPLFragmentShaderBindlessTexture(arbbufferid, true, discardiftransparent: true));
            items.Add(shader);

            textures = new Dictionary <GLBaseControl, GLTexture2D>();
            size     = new Dictionary <GLBaseControl, Size>();
            visible  = new Dictionary <GLBaseControl, bool>();

            texturebinds = items.NewBindlessTextureHandleBlock(arbbufferid);

            glwin.MouseMove        += Gc_MouseMove;
            glwin.MouseClick       += Gc_MouseClick;
            glwin.MouseDoubleClick += Gc_MouseDoubleClick;
            glwin.MouseDown        += Gc_MouseDown;
            glwin.MouseUp          += Gc_MouseUp;
            glwin.MouseEnter       += Gc_MouseEnter;
            glwin.MouseLeave       += Gc_MouseLeave;
            glwin.MouseWheel       += Gc_MouseWheel;
            glwin.KeyDown          += Gc_KeyDown;
            glwin.KeyUp            += Gc_KeyUp;
            glwin.KeyPress         += Gc_KeyPress;
            glwin.Resize           += Gc_Resize;
            glwin.Paint            += Gc_Paint;

            suspendLayoutCount = 0;
        }
        public void Create(GLItemsList items, GLRenderProgramSortedList rObjects, List <SystemClass> incomingsys, float bookmarksize, GLStorageBlock findbufferresults, bool depthtest)
        {
            if (ridisplay == null)
            {
                //var vert = new GLPLVertexScaleLookat(rotate: dorotate, rotateelevation: doelevation, commontransform: false, texcoords: true,      // a look at vertex shader
                //
                //                var vert = new GLPLVertexShaderWorldCoord();
                var vert = new GLPLVertexScaleLookat(rotatetoviewer: dorotate, rotateelevation: doelevation, texcoords: true, generateworldpos: true,
                                                     autoscale: 500, autoscalemin: 1f, autoscalemax: 20f);            // below 500, 1f, above 500, scale up to 20x


                const int texbindingpoint = 1;
                var       frag            = new GLPLFragmentShaderTexture(texbindingpoint); // binding - simple texturer based on vs model coords

                objectshader = new GLShaderPipeline(vert, null, null, null, frag);
                items.Add(objectshader);

                var objtex = items.NewTexture2D("Bookmarktex", TestOpenTk.Properties.Resources.dotted2, OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);

                objectshader.StartAction += (s, m) =>
                {
                    objtex.Bind(texbindingpoint);   // bind tex array to, matching above
                };

                bookmarkposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

                GLRenderState rt = GLRenderState.Tri();
                rt.DepthTest = depthtest;

                bookmarksize *= 10;

                // 0 is model pos, 1 is world pos by a buffer, 2 is tex co-ords
                ridisplay = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                         GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize), // quad2 4 vertexts as the model positions
                                                                         bookmarkposbuf, 0,                                                   // world positions come from here - not filled as yet
                                                                         GLShapeObjectFactory.TexTriStripQuad,
                                                                         ic: 0, seconddivisor: 1);

                rObjects.Add(objectshader, "bookmarks", ridisplay);

                var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);//, forwardfacing:false);
                findshader = items.NewShaderPipeline(null, vert, null, null, geofind, null, null, null);

                // hook to modelworldbuffer, at modelpos and worldpos.  UpdateEnables will fill in instance count
                rifind = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                      GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize),   // quad2 4 vertexts as the model positions
                                                                      bookmarkposbuf, 0,
                                                                      GLShapeObjectFactory.TexTriStripQuad,
                                                                      ic: 0, seconddivisor: 1);
            }

            bookmarkposbuf.AllocateFill(incomingsys.Select(x => new Vector4((float)x.X, (float)x.Y, (float)x.Z, 1)).ToArray());
            ridisplay.InstanceCount = rifind.InstanceCount = incomingsys.Count;
        }
Exemple #4
0
        public void Start(GLItemsList items, GLRenderProgramSortedList rObjects, float bookmarksize, GLStorageBlock findbufferresults, bool depthtest)
        {
            var vert = new GLPLVertexScaleLookat(rotatetoviewer: dorotate, rotateelevation: doelevation, texcoords: true, generateworldpos: true,
                                                 autoscale: 30, autoscalemin: 1f, autoscalemax: 30f);            // above autoscale, 1f

            const int texbindingpoint = 1;
            var       frag            = new GLPLFragmentShaderTexture(texbindingpoint); // binding - simple texturer based on vs model coords

            objectshader = new GLShaderPipeline(vert, null, null, null, frag);
            items.Add(objectshader);

            var objtex = items.NewTexture2D("Bookmarktex", BaseUtils.Icons.IconSet.GetBitmap("GalMap.Bookmark"), OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);

            objectshader.StartAction += (s, m) =>
            {
                objtex.Bind(texbindingpoint);   // bind tex array to, matching above
            };

            bookmarkposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

            GLRenderState rt = GLRenderState.Tri();

            rt.DepthTest = depthtest;

            // 0 is model pos, 1 is world pos by a buffer, 2 is tex co-ords
            ridisplay = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                     GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize), // quad2 4 vertexts as the model positions
                                                                     bookmarkposbuf, 0,                                                   // world positions come from here - not filled as yet
                                                                     GLShapeObjectFactory.TexTriStripQuad,
                                                                     ic: 0, seconddivisor: 1);

            rObjects.Add(objectshader, "bookmarks", ridisplay);

            var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);//, forwardfacing:false);

            findshader = items.NewShaderPipeline(null, vert, null, null, geofind, null, null, null);

            // hook to modelworldbuffer, at modelpos and worldpos.  UpdateEnables will fill in instance count
            rifind = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                  GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize),   // quad2 4 vertexts as the model positions
                                                                  bookmarkposbuf, 0,
                                                                  GLShapeObjectFactory.TexTriStripQuad,
                                                                  ic: 0, seconddivisor: 1);
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            var ext = GLStatics.Extensions();

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");

            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");

            {
                Bitmap bmp       = new Bitmap(Properties.Resources.dotted2); // demo argb copy
                byte[] argbbytes = bmp.GetARGBBytes();
                Bitmap copy      = GLOFC.Utils.BitMapHelpers.CreateBitmapFromARGBBytes(bmp.Width, bmp.Height, argbbytes);
                var    tex       = new GLTexture2D(copy, SizedInternalFormat.Rgba8);
                items.Add(tex, "dotted2");
                Bitmap bmp2 = tex.GetBitmap(inverty: false);
                bmp2.Save(@"c:\code\dotted2.bmp");
            }

            #region coloured lines

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(5);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.White, Color.Red, Color.DarkRed, Color.DarkRed })
                             );

                GLRenderState lines2 = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Orange, Color.Blue, Color.DarkRed, Color.DarkRed }));
            }
            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }

            #endregion

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;

                rObjects.Add(items.Shader("COSOT"), "scopen",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));
            }

            #endregion

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion

            #region FB

            GLTexture2D ctex = new GLTexture2D();
            items.Add(ctex, "drawnbitmap");

            if (true)
            {
                int width = 1024, height = 768;

                // set up FB
                // NOTE: things end up inverted in Y in the texture, this is because textures are bottom up structures - seems the internet agrees

                GLFrameBuffer fb = new GLFrameBuffer();

                // attach a texture to draw to
                ctex.CreateOrUpdateTexture(width, height, OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8, 1);
                ctex.SetMinMagLinear();
                fb.AttachColor(ctex, 0, 0);

                GLRenderBuffer rb = new GLRenderBuffer();
                items.Add(rb);
                rb.Allocate(RenderbufferStorage.DepthComponent32f, ctex.Width, ctex.Height);
                fb.AttachDepth(rb);

                // bind Framebuffer to system for it to be the target to draw to, with a default back colour
                fb.BindColor(new OpenTK.Graphics.Color4(40, 40, 40, 255));

                GLMatrixCalc mc = new GLMatrixCalc();
                mc.PerspectiveNearZDistance = 1f;
                mc.PerspectiveFarZDistance  = 1000f;
                mc.ResizeViewPort(this, new Size(ctex.Width, ctex.Height));
                Vector3 lookat    = new Vector3(0, 0, 0);
                Vector2 camerapos = new Vector2(110f, 0);
                mc.CalculateModelMatrix(lookat, camerapos, 20F, 0);
                mc.CalculateProjectionMatrix();

                ((GLMatrixCalcUniformBlock)items.UB("MCUB")).SetFull(mc);

                var renderState = GLRenderState.Start();

                Vector4[] p = new Vector4[4];

                int size   = 64;
                int offset = 10;
                p[0] = new Vector4(offset, offset, 0, 1);               // topleft - correct winding for our system. For dotted, red/blue at top as dots
                p[1] = new Vector4(offset, offset + size, 0, 1);        // bottomleft
                p[2] = new Vector4(offset + size, offset, 0, 1);        // topright
                p[3] = new Vector4(offset + size, offset + size, 0, 1); // botright

                items.Add(new GLDirect(), "fbds1");

                GLRenderState       rts = GLRenderState.Tri();
                GLRenderDataTexture rdt = new GLRenderDataTexture(items.Tex("dotted2"));
                var ri = GLRenderableItem.CreateVector4(items, PrimitiveType.TriangleStrip, rts, p, rdt);
                ri.Execute(items.Shader("fbds1"), renderState, mc);

                GLRenderState lines = GLRenderState.Lines(1);

                var l1 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                              new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed });

                l1.Execute(items.Shader("COSW"), renderState, mc);

                var l2 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                              new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed });

                l2.Execute(items.Shader("COSW"), renderState, mc);

                var l3 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                              new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange });

                l3.Execute(items.Shader("COSW"), renderState, mc);
                var l4 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                              new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange });
                l4.Execute(items.Shader("COSW"), renderState, mc);

                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;
                var ri2 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                               GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                               new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                               new GLRenderDataTranslationRotation(new Vector3(10, 3, 20)));
                ri2.Execute(items.Shader("COSOT"), renderState, mc);

                GLRenderState rq = GLRenderState.Quads();

                var ri3 = GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rq,
                                                                GLShapeObjectFactory.CreateQuad(5f, 5f, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(10, 0, 0)));

                ri3.Execute(items.Shader("TEXOT"), renderState, mc);

                GLFrameBuffer.UnBind();
                gl3dcontroller.MatrixCalc.SetViewPort();        // restore the view port

                byte[] texdatab = ctex.GetTextureImageAs <byte>(OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, 0, true);
                Bitmap bmp      = GLOFC.Utils.BitMapHelpers.CreateBitmapFromARGBBytes(ctex.Width, ctex.Height, texdatab);
                bmp.Save(@"c:\code\out.bmp");
            }

            #endregion


            if (true)
            {
                Vector4[] p = new Vector4[4];

                int size   = 128;
                int offset = 10;
                p[0] = new Vector4(offset, offset, 0, 1);               // topleft - correct winding for our system. For dotted, red/blue at top as dots
                p[1] = new Vector4(offset, offset + size, 0, 1);        // bottomleft
                p[2] = new Vector4(offset + size, offset, 0, 1);        // topright
                p[3] = new Vector4(offset + size, offset + size, 0, 1); // botright

                items.Add(new GLDirect(), "ds1");

                GLRenderState       rts = GLRenderState.Tri();
                GLRenderDataTexture rdt = new GLRenderDataTexture(items.Tex("dotted2"));

                rObjects.Add(items.Shader("ds1"), "ds1", GLRenderableItem.CreateVector4(items, PrimitiveType.TriangleStrip, rts, p, rdt));
            }

            if (true)
            {
                GLRenderState rq = GLRenderState.Quads();

                float width  = 20F;
                float height = 20F / ctex.Width * ctex.Height;

                // TexQuadInv corrects for the inverted FB texture
                rObjects.Add(items.Shader("TEXOT"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(width, height, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCCW,
                                                                   new GLRenderDataTranslationRotationTexture(ctex, new Vector3(-15, 0, 10))
                                                                   ));
            }

            if (true)
            {
                GLRenderState rq = GLRenderState.Quads();
                rObjects.Add(items.Shader("TEXOT"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(5f, 5f, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(10, 0, 0))
                                                                   ));
            }


            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back
        }
Exemple #6
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            //GLStatics.EnableDebug(DebugProc);

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 500000f;
            gl3dcontroller.ZoomDistance  = 5000F;
            gl3dcontroller.YHoldMovement = true;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms * 10.0f);
            };

            gl3dcontroller.MatrixCalc.InPerspectiveMode = true;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, -35000), new Vector3(135f, 0, 0), 0.31622F);


            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl1 = GLRenderState.Lines(1);

            float h = -1;

            if (h != -1)
            {
                Color cr = Color.FromArgb(60, Color.Gray);
                rObjects.Add(items.Shader("COS-1L"),    // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-35000, h, -35000), new Vector3(-35000, h, 35000), new Vector3(1000, 0, 0), 70),
                                                                  new Color4[] { cr })
                             );

                rObjects.Add(items.Shader("COS-1L"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-35000, h, -35000), new Vector3(35000, h, -35000), new Vector3(0, 0, 1000), 70),
                                                                  new Color4[] { cr })
                             );
            }

            int hsize = 35000, vsize = 2000, zsize = 35000;

            {
                int       left = -hsize, right = hsize, bottom = -vsize, top = +vsize, front = -zsize, back = zsize;
                Vector4[] lines2 = new Vector4[]
                {
                    new Vector4(left, bottom, front, 1), new Vector4(left, top, front, 1),
                    new Vector4(left, top, front, 1), new Vector4(right, top, front, 1),
                    new Vector4(right, top, front, 1), new Vector4(right, bottom, front, 1),
                    new Vector4(right, bottom, front, 1), new Vector4(left, bottom, front, 1),

                    new Vector4(left, bottom, back, 1), new Vector4(left, top, back, 1),
                    new Vector4(left, top, back, 1), new Vector4(right, top, back, 1),
                    new Vector4(right, top, back, 1), new Vector4(right, bottom, back, 1),
                    new Vector4(right, bottom, back, 1), new Vector4(left, bottom, back, 1),

                    new Vector4(left, bottom, front, 1), new Vector4(left, bottom, back, 1),
                    new Vector4(left, top, front, 1), new Vector4(left, top, back, 1),
                    new Vector4(right, bottom, front, 1), new Vector4(right, bottom, back, 1),
                    new Vector4(right, top, front, 1), new Vector4(right, top, back, 1),
                };

                items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW");
                rObjects.Add(items.Shader("LINEYELLOW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl1, lines2));
            }

            // bounding box

            boundingbox = new Vector4[]
            {
                new Vector4(-hsize, -vsize, -zsize, 1),
                new Vector4(-hsize, vsize, -zsize, 1),
                new Vector4(hsize, vsize, -zsize, 1),
                new Vector4(hsize, -vsize, -zsize, 1),

                new Vector4(-hsize, -vsize, zsize, 1),
                new Vector4(-hsize, vsize, zsize, 1),
                new Vector4(hsize, vsize, zsize, 1),
                new Vector4(hsize, -vsize, zsize, 1),
            };

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block

            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back

            atomicbuffer = items.NewAtomicBlock(6);
            atomicbuffer.AllocateBytes(sizeof(float) * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);

            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 256, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back

            volumetricblock = new GLVolumetricUniformBlock();
            items.Add(volumetricblock, "VB");

            {
                Bitmap[]  numbers    = new Bitmap[70];
                Matrix4[] numberpos  = new Matrix4[numbers.Length];
                Matrix4[] numberpos2 = new Matrix4[numbers.Length];

                Font fnt = new Font("Arial", 20);

                for (int i = 0; i < numbers.Length; i++)
                {
                    int v = -35000 + i * 1000;
                    numbers[i] = new Bitmap(100, 100);
                    GLOFC.Utils.BitMapHelpers.DrawTextCentreIntoBitmap(ref numbers[i], v.ToString(), fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.Red, Color.AliceBlue);

                    numberpos[i]   = Matrix4.CreateScale(1);
                    numberpos[i]  *= Matrix4.CreateRotationX(-25f.Radians());
                    numberpos[i]  *= Matrix4.CreateTranslation(new Vector3(35500, 0, v));
                    numberpos2[i]  = Matrix4.CreateScale(1);
                    numberpos2[i] *= Matrix4.CreateRotationX(-25f.Radians());
                    numberpos2[i] *= Matrix4.CreateTranslation(new Vector3(v, 0, -35500));
                }

                GLTexture2DArray array = new GLTexture2DArray(numbers, SizedInternalFormat.Rgba8, ownbmp: true);
                items.Add(array, "Nums");
                items.Add(new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0)), "IC-2");

                GLRenderState       rq = GLRenderState.Quads(cullface: false);
                GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("Nums"));

                rObjects.Add(items.Shader("IC-2"), "1-b",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberpos,
                                                                          rt, numberpos.Length));

                rObjects.Add(items.Shader("IC-2"), "1-b2",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberpos2,
                                                                          rt, numberpos.Length));
            }

            GLTexture3D noise3d = new GLTexture3D(1024, 64, 1024, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f); // red channel only

            //{     // shows program fill
            //    for (int ly = 0; ly < noise3d.Depth; ly++)
            //    {
            //        float[] fd = new float[noise3d.Width * noise3d.Height];
            //        float[] fdi = new float[noise3d.Width * noise3d.Height];
            //        for (int x = 0; x < noise3d.Width; x++)
            //        {
            //            for (int y = 0; y < noise3d.Height; y++)
            //            {
            //                int p = (y * noise3d.Width + x) * 1;

            //                float xv = (float)x / (float)noise3d.Width;
            //                float yv = (float)y / (float)noise3d.Height;

            //                var c = ((Math.Sin(2 * Math.PI * xv) / 2) + 0.5);
            //                c += ((Math.Cos(2 * Math.PI * yv) / 2) + 0.5);

            //                c /= 2;

            //                fd[p + 0] = (float)(c);
            //                fdi[p + 0] = 1.0f-(float)(c);
            //            }
            //        }

            //        noise3d.StoreZPlane(ly, 0, 0, noise3d.Width, noise3d.Height, fd, OpenTK.Graphics.OpenGL4.PixelFormat.Red);        // only a single float per pixel, stored in RED

            //    }
            //}

            ShaderNoiseDisplay ns = new ShaderNoiseDisplay();

            ns.StartAction += (a, m) => { noise3d.Bind(3); };
            items.Add(ns, "NS");
            GLRenderState rv = GLRenderState.Tri();

            noisebox = GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rv);   // no vertexes, all data from bound volumetric uniform, no instances as yet

            rObjects.Add(items.Shader("NS"), noisebox);

            // make a compute shader noise and run it, to fill up noise3d buffer

            ComputeShaderNoise csn = new ComputeShaderNoise(noise3d.Width, noise3d.Height, noise3d.Depth, 32, 4, 32);       // must be a multiple of localgroupsize in csn

            csn.StartAction += (A, m) => { noise3d.BindImage(3); };
            items.Add(csn, "CE1");
            GLComputeShaderList p = new GLComputeShaderList();      // demonstrate a render list holding a compute shader.

            p.Add(csn);
            p.Run();        // run the shader to compute into the noise3d block the noise.
        }
Exemple #7
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 500000f;
            gl3dcontroller.ZoomDistance  = 5000F;
            gl3dcontroller.YHoldMovement = true;
            gl3dcontroller.PaintObjects  = ControllerDraw;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms * 1.0f * Math.Min(eyedist / 1000, 10));
            };

            gl3dcontroller.PosCamera.ZoomScaling = 1.1f;

            gl3dcontroller.MatrixCalc.InPerspectiveMode = true;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(140.75f, 0, 0), 0.5F);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block

            int front = -20000, back = front + 90000, left = -45000, right = left + 90000, vsize = 2000;

            Vector4[] displaylines = new Vector4[]
            {
                new Vector4(left, -vsize, front, 1), new Vector4(left, +vsize, front, 1),
                new Vector4(left, +vsize, front, 1), new Vector4(right, +vsize, front, 1),
                new Vector4(right, +vsize, front, 1), new Vector4(right, -vsize, front, 1),
                new Vector4(right, -vsize, front, 1), new Vector4(left, -vsize, front, 1),

                new Vector4(left, -vsize, back, 1), new Vector4(left, +vsize, back, 1),
                new Vector4(left, +vsize, back, 1), new Vector4(right, +vsize, back, 1),
                new Vector4(right, +vsize, back, 1), new Vector4(right, -vsize, back, 1),
                new Vector4(right, -vsize, back, 1), new Vector4(left, -vsize, back, 1),

                new Vector4(left, -vsize, front, 1), new Vector4(left, -vsize, back, 1),
                new Vector4(left, +vsize, front, 1), new Vector4(left, +vsize, back, 1),
                new Vector4(right, -vsize, front, 1), new Vector4(right, -vsize, back, 1),
                new Vector4(right, +vsize, front, 1), new Vector4(right, +vsize, back, 1),
            };

            {
                items.Add(new GLFixedColorShaderWorld(System.Drawing.Color.Yellow), "LINEYELLOW");
                GLRenderState rl = GLRenderState.Lines(1);
                rObjects.Add(items.Shader("LINEYELLOW"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines));
            }


            {
                items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "solmarker");
                items.Add(new GLTexturedShaderObjectTranslation(), "TEX");
                GLRenderState rq = GLRenderState.Quads(cullface: false);
                solmarker = new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, 0, 0));
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1.0f, 1.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   solmarker
                                                                   ));
            }



            {
                items.Add(new DynamicGridVertexShader(Color.Cyan), "PLGRIDVertShader");
                items.Add(new GLPLFragmentShaderVSColor(), "PLGRIDFragShader");

                GLRenderState rl = GLRenderState.Lines(1);
                rl.DepthTest = false;

                items.Add(new GLShaderPipeline(items.PLShader("PLGRIDVertShader"), items.PLShader("PLGRIDFragShader")), "DYNGRID");
                rObjects.Add(items.Shader("DYNGRID"), "DYNGRIDRENDER", GLRenderableItem.CreateNullVertex(PrimitiveType.Lines, rl, drawcount: 2));
            }


            {
                items.Add(new DynamicGridCoordVertexShader(), "PLGRIDBitmapVertShader");
                items.Add(new GLPLFragmentShaderTexture2DIndexed(0), "PLGRIDBitmapFragShader");     // binding 1

                GLRenderState rl = GLRenderState.Tri(cullface: false);
                rl.DepthTest = false;


                texcoords = new GLTexture2DArray();
                items.Add(texcoords, "PLGridBitmapTextures");

                GLShaderPipeline sp = new GLShaderPipeline(items.PLShader("PLGRIDBitmapVertShader"), items.PLShader("PLGRIDBitmapFragShader"));

                items.Add(sp, "DYNGRIDBitmap");

                rObjects.Add(items.Shader("DYNGRIDBitmap"), "DYNGRIDBitmapRENDER", GLRenderableItem.CreateNullVertex(PrimitiveType.TriangleStrip, rl, drawcount: 4, instancecount: 9));
            }
        }
Exemple #8
0
        // Demonstrate buffer feedback AND geo shader add vertex/dump vertex



        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            glwfc.BackColor = Color.FromArgb(0, 0, 60);
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(120f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 20.0f);
            };

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0

            {
                items.Add(new GLColorShaderWorld(), "COS");
                GLRenderState rl = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COS"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(-40, 0, 40), new Vector3(10, 0, 0), 9),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                             );


                rObjects.Add(items.Shader("COS"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, null,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(40, 0, -40), new Vector3(0, 0, 10), 9),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                             );
            }

            {
                items.Add(new GLTexturedShaderObjectTranslation(), "TEX");
                items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");

                GLRenderState rt = GLRenderState.Tri();

                rObjects.Add(items.Shader("TEX"), "sphere7",
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rt,
                                                                   GLSphereObjectFactory.CreateTexturedSphereFromTriangles(4, 10.0f),
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("moon"), new Vector3(-30, 0, 0))
                                                                   ));
            }

            {
                var sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Yellow, Color.FromArgb(255, 230, 230, 1) });

                items.Add(new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader()), "STAR");

                GLRenderState rt = GLRenderState.Tri();

                rObjects.Add(items.Shader("STAR"), "sun",
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Triangles,
                                                            rt,
                                                            GLSphereObjectFactory.CreateSphereFromTriangles(3, 10.0f),
                                                            new GLRenderDataTranslationRotation(new Vector3(20, 0, 0)),
                                                            ic: 1));

                items.Add(new GLShaderStarCorona(), "CORONA");

                GLRenderState rq = GLRenderState.Quads();

                rObjects.Add(items.Shader("CORONA"), GLRenderableItem.CreateVector4(items, PrimitiveType.Quads,
                                                                                    rq,
                                                                                    GLShapeObjectFactory.CreateQuad(1f),
                                                                                    new GLRenderDataTranslationRotation(new Vector3(20, 0, 0), new Vector3(0, 0, 0), 20f, calclookat: true)));
            }

            if (true)
            {
                Vector4[] pos = new Vector4[3];
                pos[0] = new Vector4(-20, 0, 10, 0);
                pos[1] = new Vector4(0, 0, 10, 1);
                pos[2] = new Vector4(20, 0, 10, 2);

                var shape = GLSphereObjectFactory.CreateSphereFromTriangles(3, 10.0f);

                GLRenderState    rt = GLRenderState.Tri();
                GLRenderableItem ri = GLRenderableItem.CreateVector4Vector4(items, PrimitiveType.Triangles, rt, shape, pos, null, pos.Length, 1);

                var vertshader = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Red, Color.Green, Color.Blue });
                var shader     = new GLShaderPipeline(vertshader, new GLPLStarSurfaceFragmentShader());
                items.Add(shader, "STAR-M2");
                rObjects.Add(shader, ri);
            }

            GLOFC.GLStatics.Check();

            GL.Enable(EnableCap.DepthClamp);
        }
Exemple #9
0
        private void CreateBodies(StarScan.ScanNode node, int subnode)
        {
            rBodyObjects.Clear();

            bodyinfo = new List <BodyInfo>();

            bool sysenabled = false;

            if (subnode > 0 && node.NodeType == StarScan.ScanNodeType.barycentre && node.Children != null)
            {
                node       = node.Children.Values[subnode - 1];
                sysenabled = true;
            }

            displaycontrol.ApplyToControlOfName("sys*", (c) => { c.Visible = sysenabled; });

            BodyInfo.CreateInfoTree(node, null, -1, 0, bodyinfo);

            foreach (var o in bodyinfo)
            {
                System.Diagnostics.Debug.Write($"Body {o.scannode.OwnName} {o.scannode.scandata?.StarType} {o.scannode.scandata?.PlanetClass} Lvl {o.scannode.Level} ");

                if (o.kepler != null)
                {
                    System.Diagnostics.Debug.Write($"SMA {o.kepler.SemiMajorAxis / oneAU_m} AU {o.kepler.SemiMajorAxis / 1000} km " +
                                                   $" Ecc {o.kepler.Eccentricity} Orbital Period {o.kepler.OrbitalPeriodS / 24 / 60 / 60 / 365} Y Radius {o.scannode.scandata.nRadius} m CM {o.kepler.CentralMass} axt {o.scannode.scandata.nAxialTilt}");
                }

                System.Diagnostics.Debug.WriteLine("");

                if (o.kepler != null)
                {
                    Vector4[]     orbit = o.kepler.Orbit(currentjd, 0.1, mscaling);
                    GLRenderState lines = GLRenderState.Lines(1);
                    lines.DepthTest = false;

                    o.orbitpos.ColorIndex = node.scandata?.nRadius != null ? 0 : 1;

                    var riol = GLRenderableItem.CreateVector4(items, PrimitiveType.LineStrip, lines, orbit, o.orbitpos);
                    rBodyObjects.Add(orbitlineshader, riol);

                    GLRenderState quad = GLRenderState.Quads(cullface: false);
                    quad.DepthTest = false;
                    var s       = 100000e3f * mscaling;
                    var quadpos = new Vector4[] { new Vector4(-s, 0, -s, 1), new Vector4(-s, 0, +s, 1), new Vector4(+s, 0, +s, 1), new Vector4(+s, 0, -s, 1) };
                    var plane   = GLRenderableItem.CreateVector4(items, PrimitiveType.Quads, quad, quadpos, o.bodypos);
                    rBodyObjects.Add(bodyplaneshader, plane);
                }
            }

            int bodies = bodyinfo.Count;

            // hold planet and barycentre positions/sizes/imageno
            bodymatrixbuffer.AllocateBytes(GLBuffer.Mat4size * bodies);

            GLRenderState rt = GLRenderState.Tri();

            rt.DepthTest = false;
            var ribody = GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Triangles, rt, spherebuffer, spheretexcobuffer, bodymatrixbuffer,
                                                                      spherebuffer.Length / sizeof(float) / 4,
                                                                      ic: bodies, matrixdivisor: 1);

            rBodyObjects.Add(bodyshader, ribody);

            rifind = GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Triangles, GLRenderState.Tri(), spherebuffer, spheretexcobuffer, bodymatrixbuffer,
                                                                  spherebuffer.Length / sizeof(float) / 4,
                                                                  ic: bodies, matrixdivisor: 1);
        }
Exemple #10
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;


            matrixcalc = new GLMatrixCalc();
            matrixcalc.PerspectiveNearZDistance = 1f;
            matrixcalc.PerspectiveFarZDistance  = worldsize * 2;
            matrixcalc.InPerspectiveMode        = true;
            matrixcalc.ResizeViewPort(this, glwfc.Size);

            displaycontrol           = new GLControlDisplay(items, glwfc, matrixcalc); // hook form to the window - its the master, it takes its size fro mc.ScreenCoordMax
            displaycontrol.Focusable = true;                                           // we want to be able to focus and receive key presses.
            displaycontrol.Name      = "displaycontrol";

            displaycontrol.Paint += (o, ts) =>        // subscribing after start means we paint over the scene, letting transparency work
            {
                // MCUB set up by Controller3DDraw which did the work first
                displaycontrol.Render(glwfc.RenderState, ts);
            };


            double  startspeed = 60 * 60 * 6; // in sec
            GLImage minus      = new GLImage("plus", new Rectangle(0, 0, 32, 32), Properties.Resources.GoBackward);

            minus.MouseClick += (e1, m1) => { currentjd -= 365; };
            displaycontrol.Add(minus);
            GLImage back = new GLImage("back", new Rectangle(40, 0, 32, 32), Properties.Resources.Backwards);

            back.MouseClick += (e1, m1) => { if (jdscaling > 0)
                                             {
                                                 jdscaling /= 2;
                                             }
                                             else if (jdscaling < 0)
                                             {
                                                 jdscaling *= 2;
                                             }
                                             else
                                             {
                                                 jdscaling = -startspeed;
                                             } };
            displaycontrol.Add(back);
            GLImage pause = new GLImage("back", new Rectangle(80, 0, 32, 32), Properties.Resources.Pause);

            pause.MouseClick += (e1, m1) => { jdscaling = 0; };
            displaycontrol.Add(pause);
            GLImage fwd = new GLImage("fwd", new Rectangle(120, 0, 32, 32), Properties.Resources.Forward);

            fwd.MouseClick += (e1, m1) => { if (jdscaling < 0)
                                            {
                                                jdscaling /= 2;
                                            }
                                            else if (jdscaling > 0)
                                            {
                                                jdscaling *= 2;
                                            }
                                            else
                                            {
                                                jdscaling = startspeed;
                                            } };
            displaycontrol.Add(fwd);
            GLImage plus = new GLImage("plus", new Rectangle(160, 0, 32, 32), Properties.Resources.GoForward);

            plus.MouseClick += (e1, m1) => { currentjd += 365; };
            displaycontrol.Add(plus);
            status = new GLLabel("state", new Rectangle(200, 0, 400, 20), "Label", Color.DarkOrange);
            displaycontrol.Add(status);
            datalabel           = new GLLabel("datalabel", new Rectangle(0, 40, 400, 100), "", Color.DarkOrange);
            datalabel.TextAlign = ContentAlignment.TopLeft;
            displaycontrol.Add(datalabel);


            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 3000F;
            gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3(0, 0, 0), new Vector3(135f, 0, 0f), 0.025F);
            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms * 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLTexturedShaderObjectCommonTranslation(), "TEXOCT");

            items.Add(new GLTexture2D(Properties.Resources.golden, SizedInternalFormat.Rgba8), "golden");
            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");

            #region coloured lines

            int gridsize = (int)(worldsize * mscaling);
            int markers  = gridsize / 20;

            {
                GLRenderState lines = GLRenderState.Lines(1);

                Color gridcolour = Color.FromArgb(255, 60, 60, 60);
                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-gridsize, -0, -gridsize), new Vector3(-gridsize, -0, gridsize), new Vector3(markers, 0, 0), gridsize / markers * 2 + 1),
                                                                  new Color4[] { gridcolour })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-gridsize, -0, -gridsize), new Vector3(gridsize, -0, -gridsize), new Vector3(0, 0, markers), gridsize / markers * 2 + 1),
                                                                  new Color4[] { gridcolour }));
            }

            rObjects.Add(new GLOperationClearDepthBuffer());

            {
                GLRenderState rt = GLRenderState.Tri();

                float sunscaled = sunradiusm * mscaling * sunscaleup;
                rObjects.Add(items.Shader("TEXOCT"), "sun",
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rt,
                                                                   GLSphereObjectFactory.CreateTexturedSphereFromTriangles(3, sunscaled),
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("golden"), new Vector3(0, 0, 0))
                                                                   ));
            }


            #endregion

            {   // debug check
                DateTime t  = new DateTime(2000, 1, 1, 12, 0, 0);
                double   jd = t.ToJulianDate();
                DateTime t2 = jd.JulianToDateTime();
                System.Diagnostics.Debug.WriteLine($"Date time {t} JD {jd} back to {t2}");
            }


            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // create a matrix uniform block

            currentjd     = KeplerOrbitElements.J2000;
            jdscaling     = 0;
            bodies        = new KeplerOrbitElements[4];
            bodypositions = new GLRenderDataTranslationRotationTexture[4];

            // earth
            bodies[0] = new KeplerOrbitElements(true, semimajoraxiskm: 0.38709893 * AU,  // https://nssdc.gsfc.nasa.gov/planetary/factsheet/mercuryfact.html
                                                eccentricity: 0.20563069,
                                                inclination: 7.00487,
                                                longitudeofascendingnode: 48.33167,
                                                longitudeofperihelion: 77.45645,
                                                meanlongitude: 252.25084,
                                                currentjd);
            bodies[1] = new KeplerOrbitElements(true, semimajoraxiskm: 0.72333199 * AU,  // https://nssdc.gsfc.nasa.gov/planetary/factsheet/venusfact.html
                                                eccentricity: 0.00677323,
                                                inclination: 3.39471,
                                                longitudeofascendingnode: 76.68069,
                                                longitudeofperihelion: 131.53298,
                                                meanlongitude: 181.97973,
                                                currentjd);
            bodies[2] = new KeplerOrbitElements(true, semimajoraxiskm: 1.49596E+08,  // https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html
                                                eccentricity: 0.0167086,
                                                inclination: 0.00005,
                                                longitudeofascendingnode: -11.26064,
                                                longitudeofperihelion: 102.94719,
                                                meanlongitude: 100.46435,
                                                currentjd);
            bodies[3] = new KeplerOrbitElements(true, semimajoraxiskm: 1.52366231 * AU,  // https://nssdc.gsfc.nasa.gov/planetary/factsheet/marsfact.html
                                                eccentricity: 0.09341233,
                                                inclination: 1.85061,
                                                longitudeofascendingnode: 49.57854,
                                                longitudeofperihelion: 336.04084,
                                                meanlongitude: 355.45332,
                                                currentjd);

            float planetsize = earthradiusm * mscaling * planetscaleup;

            for (int i = 0; i < bodies.Length; i++)
            {
                bodies[i].CentralMass = Msol;

                System.Diagnostics.Debug.WriteLine($"{i} {bodies[i].OrbitalPeriodS/60/60/24} {bodies[i].CalculateMass(bodies[i].OrbitalPeriodS)}");

                bodypositions[i] = new GLRenderDataTranslationRotationTexture(items.Tex("moon"), new Vector3(0, 0, 0));

                GLRenderState rt = GLRenderState.Tri();
                rObjects.Add(items.Shader("TEXOCT"), "Body" + i,
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rt,
                                                                   GLSphereObjectFactory.CreateTexturedSphereFromTriangles(3, planetsize), bodypositions[i]));

                Vector4[] orbit = bodies[i].Orbit(currentjd, 1, mscaling);

                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.LineStrip, lines, orbit, new Color4[] { Color.FromArgb(255, 128, 0, 0) }));
            }

            systemtimer.Interval = 25;
            systemtimer.Tick    += new EventHandler(SystemTick);
            systemtimer.Start();
        }
        public void Start(GLOFC.WinForm.GLWinFormControl glwfc, GalacticMapping edsmmapping, GalacticMapping eliteregions)
        {
            this.glwfc        = glwfc;
            this.edsmmapping  = edsmmapping;
            this.elitemapping = eliteregions;

            hptimer.Start();

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // create a matrix uniform block

            int lyscale = 1;
            int front = -20000 / lyscale, back = front + 90000 / lyscale, left = -45000 / lyscale, right = left + 90000 / lyscale, vsize = 2000 / lyscale;

            if (false)     // debug bounding box
            {
                Vector4[] displaylines = new Vector4[]
                {
                    new Vector4(left, -vsize, front, 1), new Vector4(left, +vsize, front, 1),
                    new Vector4(left, +vsize, front, 1), new Vector4(right, +vsize, front, 1),
                    new Vector4(right, +vsize, front, 1), new Vector4(right, -vsize, front, 1),
                    new Vector4(right, -vsize, front, 1), new Vector4(left, -vsize, front, 1),

                    new Vector4(left, -vsize, back, 1), new Vector4(left, +vsize, back, 1),
                    new Vector4(left, +vsize, back, 1), new Vector4(right, +vsize, back, 1),
                    new Vector4(right, +vsize, back, 1), new Vector4(right, -vsize, back, 1),
                    new Vector4(right, -vsize, back, 1), new Vector4(left, -vsize, back, 1),

                    new Vector4(left, -vsize, front, 1), new Vector4(left, -vsize, back, 1),
                    new Vector4(left, +vsize, front, 1), new Vector4(left, +vsize, back, 1),
                    new Vector4(right, -vsize, front, 1), new Vector4(right, -vsize, back, 1),
                    new Vector4(right, +vsize, front, 1), new Vector4(right, +vsize, back, 1),
                };

                GLRenderState rl = GLRenderState.Lines(1);

                items.Add(new GLShaderPipeline(new GLPLVertexShaderWorldCoord(), new GLPLFragmentShaderFixedColor(Color.Yellow)), "LINEYELLOW");
                rObjects.Add(items.Shader("LINEYELLOW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines));

                items.Add(new GLColorShaderWorld(), "COS-1L");

                float h = 0;

                int   dist = 1000 / lyscale;
                Color cr   = Color.FromArgb(100, Color.White);
                rObjects.Add(items.Shader("COS-1L"),    // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(left, h, back), new Vector3(dist, 0, 0), (back - front) / dist + 1),
                                                                  new OpenTK.Graphics.Color4[] { cr })
                             );

                rObjects.Add(items.Shader("COS-1L"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(right, h, front), new Vector3(0, 0, dist), (right - left) / dist + 1),
                                                                  new OpenTK.Graphics.Color4[] { cr })
                             );

                rObjects.Add(new GLOperationClearDepthBuffer());
            }

            int ctrlo = 2048 | 32 | 64;

            ctrlo = -1;

            if ((ctrlo & 1) != 0) // galaxy
            {
                volumetricboundingbox = new Vector4[]
                {
                    new Vector4(left, -vsize, front, 1),
                    new Vector4(left, vsize, front, 1),
                    new Vector4(right, vsize, front, 1),
                    new Vector4(right, -vsize, front, 1),

                    new Vector4(left, -vsize, back, 1),
                    new Vector4(left, vsize, back, 1),
                    new Vector4(right, vsize, back, 1),
                    new Vector4(right, -vsize, back, 1),
                };


                const int gnoisetexbinding = 3;     //tex bindings are attached per shaders so are not global
                const int gdisttexbinding  = 4;
                const int galtexbinding    = 1;

                volumetricblock = new GLVolumetricUniformBlock(volumenticuniformblock);
                items.Add(volumetricblock, "VB");

                int         sc      = 1;
                GLTexture3D noise3d = new GLTexture3D(1024 * sc, 64 * sc, 1024 * sc, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f);                           // red channel only
                items.Add(noise3d, "Noise");
                ComputeShaderNoise3D csn = new ComputeShaderNoise3D(noise3d.Width, noise3d.Height, noise3d.Depth, 128 * sc, 16 * sc, 128 * sc, gnoisetexbinding); // must be a multiple of localgroupsize in csn
                csn.StartAction += (A, m) => { noise3d.BindImage(gnoisetexbinding); };
                csn.Run();                                                                                                                                        // compute noise
                csn.Dispose();

                GLTexture1D gaussiantex = new GLTexture1D(1024, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f); // red channel only
                items.Add(gaussiantex, "Gaussian");

                // set centre=width, higher widths means more curve, higher std dev compensate.
                // fill the gaussiantex with data
                ComputeShaderGaussian gsn = new ComputeShaderGaussian(gaussiantex.Width, 2.0f, 2.0f, 1.4f, gdisttexbinding);
                gsn.StartAction += (A, m) => { gaussiantex.BindImage(gdisttexbinding); };
                gsn.Run();      // compute noise
                gsn.Dispose();

                GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits);

                // load one upside down and horz flipped, because the volumetric co-ords are 0,0,0 bottom left, 1,1,1 top right
                GLTexture2D galtex = new GLTexture2D(Properties.Resources.Galaxy_L180, SizedInternalFormat.Rgba8);
                items.Add(galtex, "galtex");
                galaxyshader = new GalaxyShader(volumenticuniformblock, galtexbinding, gnoisetexbinding, gdisttexbinding);
                items.Add(galaxyshader, "Galaxy-sh");
                // bind the galaxy texture, the 3dnoise, and the gaussian 1-d texture for the shader
                galaxyshader.StartAction += (a, m) => { galtex.Bind(galtexbinding); noise3d.Bind(gnoisetexbinding); gaussiantex.Bind(gdisttexbinding); };      // shader requires these, so bind using shader

                GLRenderState rt = GLRenderState.Tri();
                galaxyrenderable = GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rt);   // no vertexes, all data from bound volumetric uniform, no instances as yet
                rObjects.Add(galaxyshader, "galshader", galaxyrenderable);
            }

            if ((ctrlo & 2) != 0)
            {
                var corr = new GalMapRegions.ManualCorrections[] {          // nerf the centeroid position slightly
                    new GalMapRegions.ManualCorrections("The Galactic Aphelion", y: -2000),
                    new GalMapRegions.ManualCorrections("The Abyss", y: +3000),
                    new GalMapRegions.ManualCorrections("Eurus", y: -3000),
                    new GalMapRegions.ManualCorrections("The Perseus Transit", x: -3000, y: -3000),
                    new GalMapRegions.ManualCorrections("Zephyrus", x: 0, y: 2000),
                };

                edsmgalmapregions = new GalMapRegions();
                edsmgalmapregions.CreateObjects("edsmregions", items, rObjects, edsmmapping, 8000, corr: corr);
            }

            if ((ctrlo & 4) != 0)
            {
                elitemapregions = new GalMapRegions();
                elitemapregions.CreateObjects("eliteregions", items, rObjects, eliteregions, 8000);
                EliteRegionsEnable = false;
            }

            if ((ctrlo & 8) != 0)
            {
                int    gran = 8;
                Bitmap img  = Properties.Resources.Galaxy_L180;
                Bitmap heat = img.Function(img.Width / gran, img.Height / gran, mode: GLOFC.Utils.BitMapHelpers.BitmapFunction.HeatMap);
                heat.Save(@"c:\code\heatmap.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

                Random rnd = new Random(23);

                GLBuffer buf = items.NewBuffer(16 * 350000, false); // since RND is fixed, should get the same number every time.
                buf.StartWrite(0);                                  // get a ptr to the whole schebang

                int xcw = (right - left) / heat.Width;
                int zch = (back - front) / heat.Height;

                int points = 0;

                for (int x = 0; x < heat.Width; x++)
                {
                    for (int z = 0; z < heat.Height; z++)
                    {
                        int i = heat.GetPixel(x, z).R;
                        if (i > 32)
                        {
                            int gx = left + x * xcw;
                            int gz = front + z * zch;

                            float  dx = (float)Math.Abs(gx) / 45000;
                            float  dz = (float)Math.Abs(25889 - gz) / 45000;
                            double d  = Math.Sqrt(dx * dx + dz * dz); // 0 - 0.1412
                            d = 1 - d;                                // 1 = centre, 0 = unit circle
                            d = d * 2 - 1;                            // -1 to +1
                            double dist = ObjectExtensionsNumbersBool.GaussianDist(d, 1, 1.4);

                            int c = Math.Min(Math.Max(i * i * i / 120000, 1), 40);
                            //int c = Math.Min(Math.Max(i * i * i / 24000000, 1), 40);

                            dist *= 2000 / lyscale;
                            //System.Diagnostics.Debug.WriteLine("{0} {1} : dist {2} c {3}", x, z, dist, c);
                            //System.Diagnostics.Debug.Write(c);
                            GLPointsFactory.RandomStars4(buf, c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: 0.8f);
                            points += c;
                            System.Diagnostics.Debug.Assert(points < buf.Length / 16);
                        }
                    }
                    //System.Diagnostics.Debug.WriteLine(".");
                }

                buf.StopReadWrite();

                stardots = new GalaxyStarDots();
                items.Add(stardots);
                GLRenderState rc = GLRenderState.Points(1);
                rc.DepthTest = false; // note, if this is true, there is a wierd different between left and right in view.. not sure why
                rObjects.Add(stardots, "stardots", GLRenderableItem.CreateVector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rc, buf, points));
                System.Diagnostics.Debug.WriteLine("Stars " + points);
            }

            rObjects.Add(new GLOperationClearDepthBuffer()); // clear depth buffer and now use full depth testing on the rest

            if ((ctrlo & 16) != 0)
            {
                items.Add(new GLTexture2D(Properties.Resources.StarFlare2, SizedInternalFormat.Rgba8), "lensflare");
                items.Add(new GLPointSpriteShader(items.Tex("lensflare"), 64, 40), "PS");
                var p = GLPointsFactory.RandomStars4(1000, 0, 25899 / lyscale, 10000 / lyscale, 1000 / lyscale, -1000 / lyscale);

                GLRenderState rps = GLRenderState.PointSprites();

                rObjects.Add(items.Shader("PS"), "starsprites", GLRenderableItem.CreateVector4Color4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rps, p, new Color4[] { Color.White }));
            }

            if ((ctrlo & 32) != 0)
            {
                gridvertshader = new DynamicGridVertexShader(Color.Cyan);
                //items.Add(gridvertshader, "PLGRIDVertShader");
                var frag = new GLPLFragmentShaderVSColor();
                //items.Add(frag, "PLGRIDFragShader");

                GLRenderState rl = GLRenderState.Lines(1);

                items.Add(new GLShaderPipeline(gridvertshader, frag), "DYNGRID");

                gridrenderable = GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.Lines, rl, drawcount: 2);

                rObjects.Add(items.Shader("DYNGRID"), "DYNGRIDRENDER", gridrenderable);
            }

            if ((ctrlo & 64) != 0)
            {
                gridbitmapvertshader = new DynamicGridCoordVertexShader();
                var frag = new GLPLFragmentShaderTexture2DIndexed(0);

                GLRenderState rl = GLRenderState.Tri(cullface: false);

                GLTexture2DArray gridtexcoords = new GLTexture2DArray();
                items.Add(gridtexcoords, "PLGridBitmapTextures");

                GLShaderPipeline sp = new GLShaderPipeline(gridbitmapvertshader, frag);
                items.Add(sp, "DYNGRIDBitmap");

                rObjects.Add(items.Shader("DYNGRIDBitmap"), "DYNGRIDBitmapRENDER", GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rl, drawcount: 4, instancecount: 9));
            }

            GLStorageBlock findresults = items.NewStorageBlock(findblock);

            float sunsize = .5f;

            if ((ctrlo & 128) != 0)
            {
                Random rnd = new Random(52);
                List <HistoryEntry> pos    = new List <HistoryEntry>();
                DateTime            start  = new DateTime(2020, 1, 1);
                Color[]             colors = new Color[] { Color.Red, Color.Green, Color.Blue, Color.White, Color.Black, Color.Purple, Color.Yellow };
                for (int j = 0; j <= 200; j++)
                {
                    Color  jc   = colors[j % colors.Length];
                    int    i    = j * 10;
                    string name = "Kyli Flyuae AA-B h" + j.ToString();
                    if (i < 30000)
                    {
                        pos.Add(new HistoryEntry(start, name, i + rnd.Next(50), rnd.Next(50), i, jc));
                    }
                    else if (i < 60000)
                    {
                        pos.Add(new HistoryEntry(start, name, 60000 - i + rnd.Next(50), rnd.Next(50), i, jc));
                    }
                    else if (i < 90000)
                    {
                        pos.Add(new HistoryEntry(start, name, -(i - 60000) + rnd.Next(50), rnd.Next(50), 120000 - i, jc));
                    }
                    else
                    {
                        pos.Add(new HistoryEntry(start, name, -30000 + (i - 90000) + rnd.Next(50), rnd.Next(50), -i + 120000, jc));
                    }

                    start = start.AddDays(1);
                }

                // tested to 50k stars

                travelpath = new TravelPath(1000);
                travelpath.Create(items, rObjects, pos, sunsize, sunsize, findresults, true);
                travelpath.SetSystem(0);
            }

            if ((ctrlo & 256) != 0)
            {
                galmapobjects = new GalMapObjects();
                galmapobjects.CreateObjects(items, rObjects, edsmmapping, findresults, true);
            }

            if ((ctrlo & 512) != 0)
            {
                //  galaxystars = new GalaxyStars(items, rObjects, sunsize, findresults);
            }

            if ((ctrlo & 1024) != 0)
            {
                rightclickmenu = new GLContextMenu("RightClickMenu",
                                                   new GLMenuItem("RCMInfo", "Information")
                {
                    MouseClick = (s, e) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        System.Diagnostics.Debug.WriteLine($"Info {nl.Item1} {nl.Item2}");
                        // logical name is important as menu uses it to close down
                        GLMessageBox msg = new GLMessageBox("InfoBoxForm-1", displaycontrol, e.WindowLocation,
                                                            nl.Item3, $"{nl.Item1} @ {nl.Item2.X:#.#},{nl.Item2.Y:#.#},{nl.Item2.Z:#.#}", GLMessageBox.MessageBoxButtons.OK, null,
                                                            Color.FromArgb(220, 60, 60, 70), Color.DarkOrange);
                    }
                },
                                                   new GLMenuItem("RCMZoomIn", "Goto Zoom In")
                {
                    MouseClick = (s1, e1) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        gl3dcontroller.SlewToPositionZoom(nl.Item2, 100, -1);
                    }
                },
                                                   new GLMenuItem("RCMGoto", "Goto Position")
                {
                    MouseClick = (s1, e1) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        System.Diagnostics.Debug.WriteLine($"Goto {nl.Item1} {nl.Item2}");
                        gl3dcontroller.SlewToPosition(nl.Item2, -1);
                    }
                },
                                                   new GLMenuItem("RCMLookAt", "Look At")
                {
                    MouseClick = (s1, e1) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        gl3dcontroller.PanTo(nl.Item2, -1);
                    }
                }
                                                   );
            }

            if ((ctrlo & 2048) != 0)
            {
                bookmarks = new Bookmarks();
                var syslist = new List <SystemClass> {
                    new SystemClass("bk1", 1000, 0, 0), new SystemClass("bk1", 1000, 0, 2000),
                };
                bookmarks.Create(items, rObjects, syslist, 10, findresults, false);
            }
            // Matrix calc holding transform info

            matrixcalc = new GLMatrixCalc();
            matrixcalc.PerspectiveNearZDistance = 1f;
            matrixcalc.PerspectiveFarZDistance  = 120000f / lyscale;
            matrixcalc.InPerspectiveMode        = true;
            matrixcalc.ResizeViewPort(this, glwfc.Size);          // must establish size before starting

            // menu system

            displaycontrol           = new GLControlDisplay(items, glwfc, matrixcalc, true, 0.00001f, 0.00001f); // hook form to the window - its the master
            displaycontrol.Font      = new Font("Arial", 10f);
            displaycontrol.Focusable = true;                                                                     // we want to be able to focus and receive key presses.
            displaycontrol.SetFocus();

            // 3d controller

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PosCamera.ZoomMax     = 600; // gives 5ly
            gl3dcontroller.ZoomDistance          = 3000F / lyscale;
            gl3dcontroller.PosCamera.ZoomMin     = 0.1f;
            gl3dcontroller.PosCamera.ZoomScaling = 1.1f;
            gl3dcontroller.YHoldMovement         = true;
            gl3dcontroller.PaintObjects          = Controller3DDraw;
            gl3dcontroller.KeyboardTravelSpeed   = (ms, eyedist) =>
            {
                double eyedistr = Math.Pow(eyedist, 1.0);
                float  v        = (float)Math.Max(eyedistr / 1200, 0);
                //System.Diagnostics.Debug.WriteLine("Speed " + eyedistr + " "+ v);
                return((float)ms * v);
            };

            // hook gl3dcontroller to display control - its the slave. Do not register mouse UI, we will deal with that.
            gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3(0, 0, 0), new Vector3(140.75f, 0, 0), 0.5F, false, true);
            //gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3(0, 0, 0), new Vector3(90F, 0, 0), 0.5F, false, true);

            if (displaycontrol != null)
            {
                displaycontrol.Paint += (o, ts) =>        // subscribing after start means we paint over the scene, letting transparency work
                {
                    // MCUB set up by Controller3DDraw which did the work first
                    galaxymenu.UpdateCoords(gl3dcontroller.MatrixCalc, gl3dcontroller.PosCamera.ZoomFactor);
                    // debug this galaxymenu.DebugStatusText(gl3dcontroller.PosCamera.StringPositionCamera);  gl3dcontroller.PosCamera.SetPositionCamera(gl3dcontroller.PosCamera.StringPositionCamera);
                    displaycontrol.Animate(glwfc.ElapsedTimems);
                    displaycontrol.Render(glwfc.RenderState, ts);
                };
            }

            displaycontrol.MouseClick += MouseClickOnMap;
            displaycontrol.MouseUp    += MouseUpOnMap;
            displaycontrol.MouseDown  += MouseDownOnMap;
            displaycontrol.MouseMove  += MouseMoveOnMap;
            displaycontrol.MouseWheel += MouseWheelOnMap;

            galaxymenu = new MapMenu(this);

            // Autocomplete text box at top for searching

            GLTextBoxAutoComplete tbac = ((GLTextBoxAutoComplete)displaycontrol[MapMenu.EntryTextName]);

            tbac.PerformAutoCompleteInUIThread = (s, a, set) =>
            {
                System.Diagnostics.Debug.Assert(Application.MessageLoop);       // must be in UI thread
                var           glist = edsmmapping.galacticMapObjects.Where(x => s.Length < 3 ? x.name.StartsWith(s, StringComparison.InvariantCultureIgnoreCase) : x.name.Contains(s, StringComparison.InvariantCultureIgnoreCase)).Select(x => x).ToList();
                List <string> list  = glist.Select(x => x.name).ToList();
                list.AddRange(travelpath.CurrentList.Where(x => s.Length < 3 ? x.System.Name.StartsWith(s, StringComparison.InvariantCultureIgnoreCase) : x.System.Name.Contains(s, StringComparison.InvariantCultureIgnoreCase)).Select(x => x.System.Name));
                foreach (var x in list)
                {
                    set.Add(x);
                }
            };

            tbac.SelectedEntry = (a) =>                                   // in UI thread
            {
                System.Diagnostics.Debug.Assert(Application.MessageLoop); // must be in UI thread
                System.Diagnostics.Debug.WriteLine("Selected " + tbac.Text);
                var gmo = edsmmapping.galacticMapObjects.Find(x => x.name.Equals(tbac.Text, StringComparison.InvariantCultureIgnoreCase));
                if (gmo != null)
                {
                    System.Diagnostics.Debug.WriteLine("Move to gmo " + gmo.points[0]);
                    gl3dcontroller.SlewToPosition(new Vector3((float)gmo.points[0].X, (float)gmo.points[0].Y, (float)gmo.points[0].Z), -1);
                }
                else
                {
                    var he = travelpath.CurrentList.Find(x => x.System.Name.Equals(tbac.Text, StringComparison.InvariantCultureIgnoreCase));
                    if (he != null)
                    {
                        System.Diagnostics.Debug.WriteLine("Move to sys " + he.System.Name);
                        gl3dcontroller.SlewToPosition(new Vector3((float)he.System.X, (float)he.System.Y, (float)he.System.Z), -1);
                    }
                    else
                    {
                        tbac.InErrorCondition = true;
                    }
                }
            };

            if (galaxystars != null)
            {
                galaxystars.Start();
            }

            if (false)         // enable for debug buffer
            {
                debugbuffer = new GLStorageBlock(31, true);
                debugbuffer.AllocateBytes(32000, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);       // set size of vec buffer
            }

            if (false)          // enable for debug
            {
                items.Add(new GLColorShaderObjectTranslation(), "COSOT");
                GLRenderState rc = GLRenderState.Tri(cullface: false);
                rc.DepthTest = false;

                Vector3[] markers = new Vector3[] { new Vector3(0, 0, 0), new Vector3(0, -5, 0), new Vector3(0, -5 - 3.125f / 2f, 0) };

                for (int i = 0; i < markers.Length; i++)
                {
                    rObjects.Add(items.Shader("COSOT"), "marker" + i,
                                 GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                      GLCubeObjectFactory.CreateSolidCubeFromTriangles(0.5f),
                                                                      new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                      new GLRenderDataTranslationRotation(markers[i])
                                                                      ));
                }
            }
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 21000f;
            gl3dcontroller.MouseTranslateAmountAtZoom1PerPixel = 0.5f;
            gl3dcontroller.ZoomDistance = 50F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(135f, 0, 0f), 1F);

            bool useopenglcoords = true;        // true for +Z towards viewer. OFC is using mostly +Z away from viewer

            if (useopenglcoords)
            {
                gl3dcontroller.MatrixCalc.ModelAxisPositiveZAwayFromViewer = false;
                gl3dcontroller.SetPositionCamera(new Vector3(0, 0, 0), new Vector3(0, 0, 100), 0f);
                gl3dcontroller.RecalcMatrices();
            }

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            // create stock shaders

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");

            // create stock textures

            items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "dotted");
            items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "dotted2");
            items.Add(new GLTexture2D(Properties.Resources.Logo8bpp, SizedInternalFormat.Rgba8), "logo8bpp");
            items.Add(new GLTexture2D(Properties.Resources.smile5300_256x256x8, SizedInternalFormat.Rgba8), "smile");

            #region coloured lines

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed }));
            }

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }

            #endregion

            #region Coloured cubes
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;

                var cube1pos = GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f, new Vector3(10, 2.5f, 10));
                var cube1dtr = new GLRenderDataTranslationRotation(new Vector3(0, 0, 0));

                // these are on positive Z and x

                rObjects.Add(items.Shader("COSOT"), "scopen",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  cube1pos,
                                                                  new Color4[] { Color4.Green, Color4.Green, Color4.Blue, Color4.Blue, Color4.Cyan, Color4.Cyan },
                                                                  cube1dtr

                                                                  ));

                var cube2pos = GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f, new Vector3(10, 2.5f, 50));
                rObjects.Add(items.Shader("COSOT"), "scopen1",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  cube2pos,
                                                                  new Color4[] { Color4.Green, Color4.Green, Color4.Blue, Color4.Blue, Color4.Cyan, Color4.Cyan },
                                                                  cube1dtr

                                                                  ));

                // this one above cube2 for use in testing ortho mode

                var cube3pos = GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f, new Vector3(10, 10.25f, 50));
                rObjects.Add(items.Shader("COSOT"), "scopen2",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  cube3pos,
                                                                  new Color4[] { Color4.Yellow },
                                                                  cube1dtr

                                                                  ));

                // negative z and x

                rObjects.Add(items.Shader("COSOT"), "scopen3",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red },
                                                                  new GLRenderDataTranslationRotation(new Vector3(-10, -2.5f, -10))
                                                                  ));

                rObjects.Add(items.Shader("COSOT"), "scopen4",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red },
                                                                  new GLRenderDataTranslationRotation(new Vector3(-10, -2.5f, -20))
                                                                  ));
            }

            #endregion

            #region textures
            if (true)
            {
                // texture facing upwards, culled if viewer below it

                GLRenderState rq = GLRenderState.Quads();

                rObjects.Add(items.Shader("TEXOT"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(5.0f, 5.0f, new Vector3(-0f.Radians(), 0, 0), ccw: gl3dcontroller.MatrixCalc.ModelAxisPositiveZAwayFromViewer), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(0, 0, 0))
                                                                   ));
            }

            #endregion


            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOTNoRot");
            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");
            items.Add(new GLFixedColorShaderObjectTranslation(Color.Goldenrod), "FCOSOT");
            items.Add(new GLTexturedShaderObjectCommonTranslation(), "TEXOCT");

            items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "dotted");
            items.Add(new GLTexture2D(Properties.Resources.Logo8bpp, SizedInternalFormat.Rgba8), "logo8bpp");

            items.Add(new GLTexture2D(Properties.Resources.wooden, SizedInternalFormat.Rgba8), "wooden");
            items.Add(new GLTexture2D(Properties.Resources.shoppinglist, SizedInternalFormat.Rgba8), "shoppinglist");
            items.Add(new GLTexture2D(Properties.Resources.golden, SizedInternalFormat.Rgba8), "golden");
            items.Add(new GLTexture2D(Properties.Resources.smile5300_256x256x8, SizedInternalFormat.Rgba8), "smile");
            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");


            ts1 = new GLOperationQueryTimeStamp();
            ts2 = new GLOperationQueryTimeStamp();

            rObjects.Add(ts1);

            #region coloured lines

            GLRenderState def = new GLRenderState()
            {
                DepthTest = true
            };                                                                 // set up default state for fixed values - no depth test, rely on stencil

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri(def);
                rc.CullFace = true;

                var q1 = new GLOperationQuery(OpenTK.Graphics.OpenGL4.QueryTarget.PrimitivesGenerated, 0, true);
                q1.FinishAction += (t) => { System.Diagnostics.Debug.WriteLine($"What is Query for Primities Gen? {GLOperationQuery.GetQueryName(OpenTK.Graphics.OpenGL4.QueryTarget.PrimitivesGenerated, 0)}"); };
                items.Add(q1);
                rObjects.Add(q1);

                var q2 = new GLOperationQuery(OpenTK.Graphics.OpenGL4.QueryTarget.SamplesPassed);
                items.Add(q2);
                rObjects.Add(q2);

                rObjects.Add(items.Shader("COSOT"), "Tri1",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));

                rObjects.Add(new GLOperationEndQuery(q2, querycomplete: (t) =>
                {
                    int v = t.GetQuery(OpenTK.Graphics.OpenGL4.GetQueryObjectParam.QueryResult);
                    System.Diagnostics.Debug.WriteLine($"Samples for first {v}");

                    t.BeginConditional(ConditionalRenderType.QueryWait);
                }));

                // this box dissappears when other is not painted

                rObjects.Add(items.Shader("COSOT"), "Tri2",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Green, Color4.Green, Color4.Green, Color4.Green, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(-50, 3, 20))
                                                                  ), atend: true);

                rObjects.Add(items.Shader("COSOT"), new GLOperationEndConditionalRender(), true);     // note the attach as a renderable item, to demo it works

                rObjects.Add(new GLOperationEndQuery(q1, querycomplete: (t) =>
                {
                    int v = t.GetQuery(OpenTK.Graphics.OpenGL4.GetQueryObjectParam.QueryResult);
                    System.Diagnostics.Debug.WriteLine($"Primitives for both boxes {v}");
                }));
            }



            for (int i = 0; i < 1; i++)  //if (true)
            {
                GLRenderState lines = GLRenderState.Lines(def, 5);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.White, Color.Red, Color.DarkRed, Color.DarkRed })
                             );

                GLRenderState lines2 = GLRenderState.Lines(def, 1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Orange, Color.Blue, Color.DarkRed, Color.DarkRed }));

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }

            rObjects.Add(ts2);

            #endregion


            #endregion

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.ZoomDistance = 40F;
            gl3dcontroller.Start(glwfc, new Vector3(30, 0, 0), new Vector3(135f, 0, 0), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };


            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl1 = GLRenderState.Lines(1);

            {
                rObjects.Add(items.Shader("COSW"), "L1",   // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(-100, 0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Gray })
                             );


                rObjects.Add(items.Shader("COSW"),    // vertical
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(100, 0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Gray })
                             );
            }

            // New geo shader

            Vector4[] points = new Vector4[]
            {
                new Vector4(20, -5, -10, 1),       //PT1
                new Vector4(40, +5, +10, 1),       //PT7
            };

            items.Add(new ShaderV2(), "V2");

            GLRenderState rltot = GLRenderState.Tri();

            rObjects.Add(items.Shader("V2"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rltot, points, ic: 9));        // ic select number of slices

            int left = 20, right = 40, bottom = -5, top = +5, front = -10, back = 10;

            Vector4[] lines2 = new Vector4[]
            {
                new Vector4(left, bottom, front, 1), new Vector4(left, top, front, 1),
                new Vector4(left, top, front, 1), new Vector4(right, top, front, 1),
                new Vector4(right, top, front, 1), new Vector4(right, bottom, front, 1),
                new Vector4(right, bottom, front, 1), new Vector4(left, bottom, front, 1),

                new Vector4(left, bottom, back, 1), new Vector4(left, top, back, 1),
                new Vector4(left, top, back, 1), new Vector4(right, top, back, 1),
                new Vector4(right, top, back, 1), new Vector4(right, bottom, back, 1),
                new Vector4(right, bottom, back, 1), new Vector4(left, bottom, back, 1),

                new Vector4(left, bottom, front, 1), new Vector4(left, bottom, back, 1),
                new Vector4(left, top, front, 1), new Vector4(left, top, back, 1),
                new Vector4(right, bottom, front, 1), new Vector4(right, bottom, back, 1),
                new Vector4(right, top, front, 1), new Vector4(right, top, back, 1),
            };

            items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW");
            rObjects.Add(items.Shader("LINEYELLOW"),
                         GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl1, lines2));

            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);

            atomicbuffer = items.NewAtomicBlock(6);
            atomicbuffer.AllocateBytes(sizeof(float) * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block
        }
Exemple #15
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOTNoRot");
            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");
            items.Add(new GLFixedColorShaderObjectTranslation(Color.Goldenrod), "FCOSOT");
            items.Add(new GLTexturedShaderObjectCommonTranslation(), "TEXOCT");

            items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "dotted");
            items.Add(new GLTexture2D(Properties.Resources.Logo8bpp, SizedInternalFormat.Rgba8), "logo8bpp");

            items.Add(new GLTexture2D(Properties.Resources.wooden, SizedInternalFormat.Rgba8), "wooden");
            items.Add(new GLTexture2D(Properties.Resources.shoppinglist, SizedInternalFormat.Rgba8), "shoppinglist");
            items.Add(new GLTexture2D(Properties.Resources.golden, SizedInternalFormat.Rgba8), "golden");
            items.Add(new GLTexture2D(Properties.Resources.smile5300_256x256x8, SizedInternalFormat.Rgba8), "smile");
            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");


            ts1 = new GLOperationQueryTimeStamp();
            ts2 = new GLOperationQueryTimeStamp();

            rObjects.Add(ts1);

            #region coloured lines

            GLRenderState def = new GLRenderState()
            {
                DepthTest = true
            };                                                                 // set up default state for fixed values - no depth test, rely on stencil

            GLBuffer querybuffer = new GLBuffer(128, true);

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri(def);
                rc.CullFace = true;

                // Lets demo the query buffer!

                var q1 = new GLOperationQuery(OpenTK.Graphics.OpenGL4.QueryTarget.PrimitivesGenerated, 0, true, querybuffer);
                items.Add(q1);
                rObjects.Add(q1);

                var q2 = new GLOperationQuery(OpenTK.Graphics.OpenGL4.QueryTarget.SamplesPassed, 0, false, querybuffer);
                items.Add(q2);
                rObjects.Add(q2);

                rObjects.Add(items.Shader("COSOT"), "Tri1",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Yellow, Color4.Yellow },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));

                rObjects.Add(new GLOperationEndQuery(q2, querycomplete: (t) =>
                {
                    //    int v = t.GetQuery(OpenTK.Graphics.OpenGL4.GetQueryObjectParam.QueryResult);
                    t.UpdateBuffer(0);
                    //System.Diagnostics.Debug.WriteLine($"Samples for first {v}");
                }));

                rObjects.Add(new GLOperationEndQuery(q1, querycomplete: (t) =>
                {
                    t.UpdateBuffer(16);
                    int[] ints = querybuffer.ReadInts(0, 8);
                    System.Diagnostics.Debug.WriteLine($"Samples {ints[0]} Prims {ints[4]}");
                }));

                rObjects.Add(new GLOperationEndQueryBuffer());      // must turn off otherwise it goes awol next loop
            }



            for (int i = 0; i < 1; i++)
            {
                GLRenderState lines = GLRenderState.Lines(def, 5);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.White, Color.Red, Color.DarkRed, Color.DarkRed })
                             );

                GLRenderState lines2 = GLRenderState.Lines(def, 1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Orange, Color.Blue, Color.DarkRed, Color.DarkRed }));

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }

            rObjects.Add(ts2);

            #endregion


            #endregion

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
Exemple #16
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);
            glwfc.MouseClick += GLMouseClick;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 40.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");

            #region coloured lines

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed }));
            }

            #endregion

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;

                rObjects.Add(items.Shader("COSOT"), "scopen",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 0, 20))
                                                                  ));
            }

            #endregion

            var sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.FromArgb(255, 220, 220, 10), Color.FromArgb(255, 0, 0, 0) });
            items.Add(sunvertex);
            var sunshader = new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader());
            items.Add(sunshader);
            var shapebuf = new GLBuffer();
            items.Add(shapebuf);
            var shape = GLSphereObjectFactory.CreateSphereFromTriangles(1, 0.5f);
            shapebuf.AllocateFill(shape);

            GLStorageBlock block = new GLStorageBlock(20);
            findshader = items.NewShaderPipeline(null, sunvertex, null, null, new GLPLGeoShaderFindTriangles(block, 16), null, null, null);

            int texunitspergroup = 16;      // opengl minimum texture units per frag shader

            //var textshader = new GLShaderPipeline(new GLPLVertexShaderQuadTextureWithMatrixTranslation(), new GLPLFragmentShaderTexture2DIndexedMulti(0,0,true, texunitspergroup));
            var textshader = new TextShader(texunitspergroup);
            items.Add(textshader);
            Font fnt = new Font("MS sans serif", 16f);

            if (true)
            {
                int maxstars = 1000;    // this is an aspriation, depends on fragmentation of the system

                dataindirectbuffer = new GLVertexBufferIndirect(items, maxstars * (GLBuffer.Vec4size + GLBuffer.Mat4size), GLBuffer.WriteIndirectArrayStride * 100, true);
                var textarray = new GLTexture2DArray(128, 32, maxstars, SizedInternalFormat.Rgba8);

                int SectorSize = 10;

                {
                    Vector3   pos   = new Vector3(-20, 0, -15);
                    Vector4[] array = new Vector4[10];
                    Random    rnd   = new Random(23);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                    }
                    dataindirectbuffer.Fill(array, 0, array.Length, 0, shape.Length, 0, array.Length, -1);

                    Matrix4[] matrix = new Matrix4[array.Length];
                    for (int i = 0; i < array.Length; i++)
                    {
                        int imgpos = textarray.DepthIndex;
                        textarray.DrawText("A" + i, fnt, Color.White, Color.Blue, -1);
                        var mat = GLPLVertexShaderMatrixQuadTexture.CreateMatrix(new Vector3(array[i].X, array[i].Y + 0.6f, array[i].Z),
                                                                                 new Vector3(1, 0, 0.2f),
                                                                                 new Vector3(-90F.Radians(), 0, 0),
                                                                                 imagepos: imgpos);
                        matrix[i] = mat;
                    }

                    dataindirectbuffer.Vertex.AlignMat4();          // instancing counts in mat4 sizes (mat4 0 @0, mat4 1 @ 64 etc) so align to it
                    dataindirectbuffer.Fill(matrix, 0, matrix.Length, 1, 4, 0, array.Length, -1);
                }

                if (true)
                {
                    Vector3   pos   = new Vector3(-20, 0, 0);
                    Vector4[] array = new Vector4[5];
                    Random    rnd   = new Random(23);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                    }
                    dataindirectbuffer.Fill(array, 0, array.Length, 0, shape.Length, 0, array.Length, -1);
                }

                if (true)
                {
                    Vector3   pos   = new Vector3(-20, 0, 15);
                    Vector4[] array = new Vector4[10];
                    Random    rnd   = new Random(23);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                    }
                    dataindirectbuffer.Fill(array, 0, array.Length, 0, shape.Length, 0, array.Length, -1);

                    Matrix4[] matrix = new Matrix4[array.Length];
                    for (int i = 0; i < array.Length; i++)
                    {
                        int imgpos = textarray.DepthIndex;
                        textarray.DrawText("C" + i, fnt, Color.White, Color.Red, -1);
                        var mat = GLPLVertexShaderMatrixQuadTexture.CreateMatrix(new Vector3(array[i].X, array[i].Y + 0.6f, array[i].Z),
                                                                                 new Vector3(1, 0, 0.2f),
                                                                                 new Vector3(-90F.Radians(), 0, 0),
                                                                                 imagepos: imgpos);
                        matrix[i] = mat;
                    }

                    dataindirectbuffer.Vertex.AlignMat4();          // instancing countis in mat4 sizes (mat4 0 @0, mat4 1 @ 64 etc) so align to it
                    dataindirectbuffer.Fill(matrix, 0, matrix.Length, 1, 4, 0, array.Length, -1);
                }


                int[]   indirectints0 = dataindirectbuffer.Indirects[0].ReadInts(0, 12);
                int[]   indirectints1 = dataindirectbuffer.Indirects[1].ReadInts(0, 4);
                float[] worldpos      = dataindirectbuffer.Vertex.ReadFloats(0, 3 * 2 * 4);

                if (true)
                {
                    GLRenderState rt = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                    rt.DepthTest  = true;
                    rt.DepthClamp = true;

                    var renderer = GLRenderableItem.CreateVector4Vector4(items, PrimitiveType.Triangles, rt,
                                                                         shapebuf, 0, 0,               // binding 0 is shapebuf, offset 0, no draw count
                                                                         dataindirectbuffer.Vertex, 0, // binding 1 is vertex's world positions, offset 0
                                                                         null, 0, 1);                  // no ic, second divisor 1
                    renderer.IndirectBuffer       = dataindirectbuffer.Indirects[0];
                    renderer.BaseIndexOffset      = 0;                                                 // offset in bytes where commands are stored
                    renderer.DrawCount            = 3;
                    renderer.MultiDrawCountStride = GLBuffer.WriteIndirectArrayStride;

                    rObjects.Add(sunshader, "sunshader", renderer);
                }

                if (true)
                {
                    var rc = GLRenderState.Quads();
                    rc.CullFace           = true;
                    rc.DepthTest          = true;
                    rc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

                    var renderer = GLRenderableItem.CreateMatrix4(items, PrimitiveType.Quads, rc,
                                                                  dataindirectbuffer.Vertex, 0, 0, //attach buffer with matrices, no draw count
                                                                  new GLRenderDataTexture(textarray, 0),
                                                                  0, 1);                           //no ic, and matrix divide so 1 matrix per vertex set
                    renderer.IndirectBuffer       = dataindirectbuffer.Indirects[1];
                    renderer.BaseIndexOffset      = 0;                                             // offset in bytes where commands are stored
                    renderer.DrawCount            = 2;
                    renderer.MultiDrawCountStride = GLBuffer.WriteIndirectArrayStride;

                    rObjects.Add(textshader, "textshader", renderer);
                }
            }

            if (true)
            {
                GLRenderState starrc = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                starrc.DepthTest  = true;
                starrc.DepthClamp = true;

                var textrc = GLRenderState.Quads();
                textrc.DepthTest          = true;
                textrc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

                sl = new GLObjectsWithLabels();
                var ris = sl.Create(texunitspergroup, 50, 50, shapebuf, shape.Length, starrc, PrimitiveType.Triangles, new Size(128, 32), textrc, SizedInternalFormat.Rgba8, 3);
                rObjects.Add(sunshader, "SLsunshade", ris.Item1);
                rObjects.Add(textshader, "SLtextshade", ris.Item2);
                items.Add(sl);

                int SectorSize = 10;
                {
                    Vector3   pos   = new Vector3(0, 0, -15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "A.r" + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(sl.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    List <GLObjectsWithLabels.BlockRef> bref = new List <GLObjectsWithLabels.BlockRef>();
                    sl.Add(array, mats, bmps, bref);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
                {
                    Vector3   pos   = new Vector3(0, 0, 0);
                    Vector4[] array = new Vector4[20];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "B." + i;
                    }

                    List <GLObjectsWithLabels.BlockRef> bref = new List <GLObjectsWithLabels.BlockRef>();
                    sl.Add(array, text, fnt, Color.White, Color.DarkBlue, new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false, null, 0.5f, new Vector3(0, 0.6f, 0), bref);
                }
                {
                    Vector3   pos   = new Vector3(0, 0, 15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "C." + i;
                    }

                    List <GLObjectsWithLabels.BlockRef> bref = new List <GLObjectsWithLabels.BlockRef>();
                    sl.Add(array, text, fnt, Color.White, Color.DarkBlue, new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false, null, 0.5f, new Vector3(0, 0.6f, 0), bref);
                }

                System.Diagnostics.Debug.WriteLine($"Sets {sl.Blocks} Removed {sl.BlocksRemoved}");
            }

            // Sets of..

            if (true)
            {
                GLRenderState starrc = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                starrc.DepthTest  = true;
                starrc.DepthClamp = true;

                var textrc = GLRenderState.Quads();
                textrc.DepthTest          = true;
                textrc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

                slset = new GLSetOfObjectsWithLabels("SLSet", rObjects, true ? 4 : texunitspergroup,
                                                     50, 10,
                                                     sunshader, shapebuf, shape.Length, starrc, PrimitiveType.Triangles,
                                                     textshader, new Size(128, 32), textrc, SizedInternalFormat.Rgba8,
                                                     3);
                items.Add(slset);

                int SectorSize = 10;
                {
                    Vector3   pos   = new Vector3(20, 0, -15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "S.A.r" + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(slset.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    slset.Add("GA", text, array, mats, bmps);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
                {
                    Vector3   pos   = new Vector3(20, 0, 0);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "S.B." + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(slset.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    slset.Add("GB", text, array, mats, bmps);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
                {
                    Vector3   pos   = new Vector3(20, 0, 15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "S.C." + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(slset.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    slset.Add("GC", text, array, mats, bmps);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
            }

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
Exemple #17
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOTNoRot");
            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");
            items.Add(new GLFixedColorShaderObjectTranslation(Color.Goldenrod), "FCOSOT");
            items.Add(new GLTexturedShaderObjectCommonTranslation(), "TEXOCT");

            items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "dotted");
            items.Add(new GLTexture2D(Properties.Resources.Logo8bpp, SizedInternalFormat.Rgba8), "logo8bpp");

            items.Add(new GLTexture2D(Properties.Resources.wooden, SizedInternalFormat.Rgba8), "wooden");
            items.Add(new GLTexture2D(Properties.Resources.shoppinglist, SizedInternalFormat.Rgba8), "shoppinglist");
            items.Add(new GLTexture2D(Properties.Resources.golden, SizedInternalFormat.Rgba8), "golden");
            items.Add(new GLTexture2D(Properties.Resources.smile5300_256x256x8, SizedInternalFormat.Rgba8), "smile");
            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");


            #region coloured lines

            GLRenderState def = new GLRenderState()
            {
                DepthTest = false
            };                                                                  // set up default state for fixed values - no depth test, rely on stencil

            if (true)
            {
                rObjects.Add(new GLOperationSetStencil());      // set default stencil

                GLRenderState rq = GLRenderState.Quads(def);

                IGLProgramShader s = items.Shader("TEXOT");

                rObjects.Add(s, "Quad",
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(5.0f, 5.0f, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("dotted"), new Vector3(-2, 3, -6))
                                                                   ));

                rObjects.Add(new GLOperationStencilOnlyIfEqual());
            }

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri(def);
                rc.CullFace = false;

                rObjects.Add(items.Shader("COSOT"), "Tri",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));
            }

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(def, 5);

                rObjects.Add(items.Shader("COSW"), "L1",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.White, Color.Red, Color.DarkRed, Color.DarkRed })
                             );

                GLRenderState lines2 = GLRenderState.Lines(def, 1);

                rObjects.Add(items.Shader("COSW"), "L2",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Orange, Color.Blue, Color.DarkRed, Color.DarkRed }));

                rObjects.Add(items.Shader("COSW"), "L3",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"), "L4",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }

            #endregion


            #endregion

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            glwfc.EnsureCurrentContext();       // paranoid check

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");

            items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "dotted");
            items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "dotted2");
            items.Add(new GLTexture2D(Properties.Resources.Logo8bpp, SizedInternalFormat.Rgba8), "logo8bpp");
            items.Add(new GLTexture2D(Properties.Resources.smile5300_256x256x8, SizedInternalFormat.Rgba8), "smile");

            #region coloured lines

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed }));
            }

            #endregion

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;

                rObjects.Add(items.Shader("COSOT"), "scopen",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));

                rObjects.Add(items.Shader("COSOT"), "scopen2",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red },
                                                                  new GLRenderDataTranslationRotation(new Vector3(-10, -3, -20))
                                                                  ));
            }

            #endregion
            #region textures
            if (true)
            {
                GLRenderState rq = GLRenderState.Quads();

                rObjects.Add(items.Shader("TEXOT"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1.0f, 1.0f, new Vector3(-90f.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(0, 0, 0))
                                                                   ));
            }

            #endregion


            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion


            //new Thread(() => new Window2().ShowDialog()).Start();       // in another thread, it works

            frm = new Window2();
            frm.Show();
        }
Exemple #19
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            // operate matrixcalc in +Z away mode (default), in perspective mode (default)

            matrixcalc = new GLMatrixCalc();                                                   // must make after GL window is made
            matrixcalc.ResizeViewPort(this, glwfc.Size);                                       // inform matrix calc of window size
            matrixcalc.CalculateModelMatrix(new Vector3(0, 0, 0), new Vector2(135, 0), 50, 0); // set up the lookat position, the camera direction, the distance and rotation
            matrixcalc.CalculateProjectionMatrix();                                            // and set the project matrix

            glwfc.Paint += Draw;                                                               // register for draw

            // disposable items are stored in GLItemsList, so they can be cleanly disposed of at the end

            // make three stock shaders with names

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");

            // make a texture from resources called dotted2

            items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "dotted2");

            // render state for lines
            GLRenderState lines = GLRenderState.Lines(1);

            // make a set of vertices from the shape factory
            var rs1 = GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21);

            // make a array of colours for the vertexes (note do not need a full set, the render creator will repeat them automatically)
            var rc1 = new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed };

            // make a render item, indicating type (Lines), vertexes (rs1) and colours (rc1)
            var ri1 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines, rs1, rc1);

            // add to render list - paint with this shader, and this render
            rObjects.Add(items.Shader("COSW"), ri1);

            // do more..

            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                              new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed }));

            // render state for triangles

            GLRenderState rc = GLRenderState.Tri();

            rc.CullFace = false;

            rObjects.Add(items.Shader("COSOT"), "scopen",
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                              GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                              new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                              new GLRenderDataTranslationRotation(new Vector3(-10, 0, -10))
                                                              ));

            rObjects.Add(items.Shader("COSOT"), "scopen2",
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                              GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                              new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Red },
                                                              new GLRenderDataTranslationRotation(new Vector3(10, 0, 10))
                                                              ));

            // render state for quads

            GLRenderState rq = GLRenderState.Quads();

            rObjects.Add(items.Shader("TEXOT"),
                         GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                               GLShapeObjectFactory.CreateQuad(5.0f, 5.0f, new Vector3(0f.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                               new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(0, 0, 0))
                                                               ));

            // make a Uniformblock to hold matrix info

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 100000f;
            gl3dcontroller.ZoomDistance  = 5000F;
            gl3dcontroller.YHoldMovement = true;
            gl3dcontroller.PaintObjects  = ControllerDraw;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms * 10.0f);
            };

            gl3dcontroller.MatrixCalc.InPerspectiveMode = true;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 10000), new Vector3(140.75f, 0, 0), 0.5F);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block

            int front = -20000, back = front + 90000, left = -45000, right = left + 90000, vsize = 2000;

            boundingbox = new Vector4[]
            {
                new Vector4(left, -vsize, front, 1),
                new Vector4(left, vsize, front, 1),
                new Vector4(right, vsize, front, 1),
                new Vector4(right, -vsize, front, 1),

                new Vector4(left, -vsize, back, 1),
                new Vector4(left, vsize, back, 1),
                new Vector4(right, vsize, back, 1),
                new Vector4(right, -vsize, back, 1),
            };

            Vector4[] displaylines = new Vector4[]
            {
                new Vector4(left, -vsize, front, 1), new Vector4(left, +vsize, front, 1),
                new Vector4(left, +vsize, front, 1), new Vector4(right, +vsize, front, 1),
                new Vector4(right, +vsize, front, 1), new Vector4(right, -vsize, front, 1),
                new Vector4(right, -vsize, front, 1), new Vector4(left, -vsize, front, 1),

                new Vector4(left, -vsize, back, 1), new Vector4(left, +vsize, back, 1),
                new Vector4(left, +vsize, back, 1), new Vector4(right, +vsize, back, 1),
                new Vector4(right, +vsize, back, 1), new Vector4(right, -vsize, back, 1),
                new Vector4(right, -vsize, back, 1), new Vector4(left, -vsize, back, 1),

                new Vector4(left, -vsize, front, 1), new Vector4(left, -vsize, back, 1),
                new Vector4(left, +vsize, front, 1), new Vector4(left, +vsize, back, 1),
                new Vector4(right, -vsize, front, 1), new Vector4(right, -vsize, back, 1),
                new Vector4(right, +vsize, front, 1), new Vector4(right, +vsize, back, 1),
            };

            {
                items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW");
                GLRenderState rl = GLRenderState.Lines(1);
                rObjects.Add(items.Shader("LINEYELLOW"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines));
            }

            Bitmap[] numbitmaps    = new Bitmap[116];

            {
                Font fnt = new Font("Arial", 20);
                for (int i = 0; i < numbitmaps.Length; i++)
                {
                    int v = -45000 + 1000 * i;      // range from -45000 to +70000
                    numbitmaps[i] = new Bitmap(100, 100);
                    GLOFC.Utils.BitMapHelpers.DrawTextCentreIntoBitmap(ref numbitmaps[i], v.ToString(), fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.Red, Color.AliceBlue);
                }

                GLTexture2DArray numtextures = new GLTexture2DArray(numbitmaps, SizedInternalFormat.Rgba8, ownbmp: true);
                items.Add(numtextures, "Nums");

                Matrix4[] numberposx = new Matrix4[(right - left) / 1000 + 1];
                for (int i = 0; i < numberposx.Length; i++)
                {
                    numberposx[i]  = Matrix4.CreateScale(1);
                    numberposx[i] *= Matrix4.CreateRotationX(-25f.Radians());
                    numberposx[i] *= Matrix4.CreateTranslation(new Vector3(left + 1000 * i, 0, front));
                }

                GLShaderPipeline numshaderx = new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0));
                items.Add(numshaderx, "IC-X");

                GLRenderState       rq = GLRenderState.Quads(cullface: false);
                GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("Nums"));

                rObjects.Add(numshaderx, "xnum",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberposx,
                                                                          rt, numberposx.Length));

                Matrix4[] numberposz = new Matrix4[(back - front) / 1000 + 1];
                for (int i = 0; i < numberposz.Length; i++)
                {
                    numberposz[i]  = Matrix4.CreateScale(1);
                    numberposz[i] *= Matrix4.CreateRotationX(-25f.Radians());
                    numberposz[i] *= Matrix4.CreateTranslation(new Vector3(right + 1000, 0, front + 1000 * i));
                }

                GLShaderPipeline numshaderz = new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(25));
                items.Add(numshaderz, "IC-Z");

                rObjects.Add(numshaderz, "ynum",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberposz,
                                                                          rt, numberposz.Length));
            }

            items.Add(new GLColorShaderWorld(), "COSW");

            float h = 50;

            if (h != -1)
            {
                GLRenderState rl = GLRenderState.Lines(1);

                int dist = 1000;
                //20?
                Color cr = Color.FromArgb(50, Color.Red);
                rObjects.Add(items.Shader("COSW"),    // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(left, h, back), new Vector3(dist, 0, 0), (back - front) / dist + 1),
                                                                  new Color4[] { cr })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(right, h, front), new Vector3(0, 0, dist), (right - left) / dist + 1),
                                                                  new Color4[] { cr })
                             );
            }

            {
                items.Add(new GLTexture2D(numbitmaps[45], SizedInternalFormat.Rgba8), "solmarker");
                items.Add(new GLTexturedShaderObjectTranslation(), "TEX");
                GLRenderState rq = GLRenderState.Quads(cullface: false);
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, 1000, 0))
                                                                   ));
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, -1000, 0))
                                                                   ));
                items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "sag");
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, 2000, 25899))
                                                                   ));
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, -2000, 25899))
                                                                   ));
                items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "bp");
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("bp"), new Vector3(-1111f, 0, 65269))
                                                                   ));
            }


            if (true) // galaxy
            {
                volumetricblock = new GLVolumetricUniformBlock();
                items.Add(volumetricblock, "VB");

                int         sc      = 1;
                GLTexture3D noise3d = new GLTexture3D(1024 * sc, 64 * sc, 1024 * sc, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f);         // red channel only
                items.Add(noise3d, "Noise");
                ComputeShaderNoise3D csn = new ComputeShaderNoise3D(noise3d.Width, noise3d.Height, noise3d.Depth, 128 * sc, 16 * sc, 128 * sc); // must be a multiple of localgroupsize in csn
                csn.StartAction += (A, m) => { noise3d.BindImage(3); };
                csn.Run();                                                                                                                      // compute noise

                GLTexture1D gaussiantex = new GLTexture1D(1024, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f);                              // red channel only
                items.Add(gaussiantex, "Gaussian");

                // set centre=width, higher widths means more curve, higher std dev compensate.
                // fill the gaussiantex with data
                ComputeShaderGaussian gsn = new ComputeShaderGaussian(gaussiantex.Width, 2.0f, 2.0f, 1.4f, 4);
                gsn.StartAction += (A, m) => { gaussiantex.BindImage(4); };
                gsn.Run();      // compute noise

                GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits);

                //float[] gdata = gaussiantex.GetTextureImageAsFloats(OpenTK.Graphics.OpenGL4.PixelFormat.Red); // read back check
                //for( int i = 0; i < gdata.Length; i++  )
                //{
                //    double v = ((float)i / gdata.Length-0.5)*2*2;
                //    double r = ObjectExtensionsNumbersBool.GaussianDist(v, 2, 1.4);
                // //   System.Diagnostics.Debug.WriteLine(i + ":" + gdata[i] + ": " +  r);
                //}

                // load one upside down and horz flipped, because the volumetric co-ords are 0,0,0 bottom left, 1,1,1 top right
                GLTexture2D galtex = new GLTexture2D(Properties.Resources.Galaxy_L180, SizedInternalFormat.Rgba8);
                items.Add(galtex, "gal");
                GalaxyShader gs = new GalaxyShader();
                items.Add(gs, "Galaxy");
                // bind the galaxy texture, the 3dnoise, and the gaussian 1-d texture for the shader
                gs.StartAction = (a, m) => { galtex.Bind(1); noise3d.Bind(3); gaussiantex.Bind(4); };      // shader requires these, so bind using shader

                GLRenderState rt = GLRenderState.Tri();
                galaxy = GLRenderableItem.CreateNullVertex(PrimitiveType.Points, rt);   // no vertexes, all data from bound volumetric uniform, no instances as yet
                rObjects.Add(items.Shader("Galaxy"), galaxy);
            }

            if (true) // star points
            {
                int    gran = 8;
                Bitmap img  = Properties.Resources.Galaxy_L180;
                Bitmap heat = img.Function(img.Width / gran, img.Height / gran, mode: GLOFC.Utils.BitMapHelpers.BitmapFunction.HeatMap);
                heat.Save(@"c:\code\heatmap.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

                if (false)       // heat map checkout debug
                {
                    List <Vector4> points = new List <Vector4>();

                    int xcw = (right - left) / heat.Width;
                    int zch = (back - front) / heat.Height;

                    for (int x = 0; x < heat.Width; x++)
                    {
                        for (int z = 0; z < heat.Height; z++)
                        {
                            int   gx = left + x * xcw + xcw / 2;
                            int   gz = front + z * zch + zch / 2;
                            Color px = heat.GetPixel(x, z);
                            //System.Diagnostics.Debug.WriteLine(x + "," + z + " = " + gx + "," + gz + " : " + px.R);
                            points.Add(new Vector4(gx, 2000, gz, px.R));
                        }
                    }

                    items.Add(new GLHeatMapIntensity(), "ShP");
                    GLRenderState rp = GLRenderState.Points();
                    rp.DepthTest = false;
                    rObjects.Add(items.Shader("ShP"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, points.ToArray()));
                }

                if (false)      // v1 via array
                {
                    List <Vector4> points = new List <Vector4>();
                    Random         rnd    = new Random(23);

                    int xcw = (right - left) / heat.Width;
                    int zch = (back - front) / heat.Height;

                    for (int x = 0; x < heat.Width; x++)
                    {
                        for (int z = 0; z < heat.Height; z++)
                        {
                            int i  = heat.GetPixel(x, z).R;
                            int ii = i * i * i;
                            if (ii > 32 * 32 * 32)
                            {
                                int gx = left + x * xcw;
                                int gz = front + z * zch;

                                float  dx = (float)Math.Abs(gx) / 45000;
                                float  dz = (float)Math.Abs(25889 - gz) / 45000;
                                double d  = Math.Sqrt(dx * dx + dz * dz); // 0 - 0.1412
                                d = 1 - d;                                // 1 = centre, 0 = unit circle
                                d = d * 2 - 1;                            // -1 to +1
                                double dist = ObjectExtensionsNumbersBool.GaussianDist(d, 1, 1.4);

                                int c = Math.Min(Math.Max(ii / 100000, 0), 20);

                                dist *= 2000;

                                var rs = GLPointsFactory.RandomStars4(c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: i);

                                if (z == heat.Height / 2)
                                {
                                    System.Diagnostics.Debug.WriteLine(gx + "," + gz + "; " + dx + "," + dz + " = " + i + " " + c + " " + d + "=h " + dist);
                                }
                                //var rs = GLPointsFactory.RandomStars4(500, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w:i);
                                points.AddRange(rs);
                            }
                        }
                    }

                    items.Add(new GalaxyStarDots(), "SD");
                    GLRenderState rp = GLRenderState.Points(1);
                    rp.DepthTest = false;

                    rObjects.Add(items.Shader("SD"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, points.ToArray()));
                }

                if (true)  //v2 direct to buffer
                {
                    Random rnd = new Random(23);

                    GLBuffer buf = new GLBuffer(16 * 500000); // since RND is fixed, should get the same number every time.
                    buf.StartWrite(0);                        // get a ptr to the whole schebang

                    int xcw = (right - left) / heat.Width;
                    int zch = (back - front) / heat.Height;

                    int points = 0;

                    for (int x = 0; x < heat.Width; x++)
                    {
                        for (int z = 0; z < heat.Height; z++)
                        {
                            int i  = heat.GetPixel(x, z).R;
                            int ii = i * i * i;
                            if (ii > 32 * 32 * 32)
                            {
                                int gx = left + x * xcw;
                                int gz = front + z * zch;

                                float  dx = (float)Math.Abs(gx) / 45000;
                                float  dz = (float)Math.Abs(25889 - gz) / 45000;
                                double d  = Math.Sqrt(dx * dx + dz * dz); // 0 - 0.1412
                                d = 1 - d;                                // 1 = centre, 0 = unit circle
                                d = d * 2 - 1;                            // -1 to +1
                                double dist = ObjectExtensionsNumbersBool.GaussianDist(d, 1, 1.4);

                                int c = Math.Min(Math.Max(ii / 140000, 0), 40);

                                dist *= 2000;

                                GLPointsFactory.RandomStars4(buf, c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: i);
                                points += c;
                                System.Diagnostics.Debug.Assert(points < buf.Length / 16);
                            }
                        }
                    }

                    buf.StopReadWrite();

                    items.Add(new GalaxyStarDots(), "SD");
                    GLRenderState rp = GLRenderState.Points(1);
                    rp.DepthTest = false;
                    rObjects.Add(items.Shader("SD"),
                                 GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, buf, points));
                    System.Diagnostics.Debug.WriteLine("Stars " + points);
                }
            }

            if (true)  // point sprite
            {
                items.Add(new GLTexture2D(Properties.Resources.star_grey64, SizedInternalFormat.Rgba8), "lensflare");
                items.Add(new GLPointSpriteShader(items.Tex("lensflare")), "PS1");
                int dist = 20000;
                var p    = GLPointsFactory.RandomStars4(100, -dist, dist, 25899 - dist, 25899 + dist, 2000, -2000);

                GLRenderState rps = GLRenderState.PointSprites();
                rps.DepthTest = false;

                rObjects.Add(items.Shader("PS1"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Points, rps, p, new Color4[] { Color.White }));
            }
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(135, 0, 0), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl1 = GLRenderState.Lines(1);

            {
                rObjects.Add(items.Shader("COSW"), "L1",   // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(-100, 0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Gray })
                             );


                rObjects.Add(items.Shader("COSW"),    // vertical
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(100, 0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Gray })
                             );
            }

            int hsize = 10, vsize = 5, zsize = 10;

            boundingbox = new Vector4[]
            {
                new Vector4(-hsize, -vsize, zsize, 1),
                new Vector4(-hsize, vsize, zsize, 1),
                new Vector4(hsize, vsize, zsize, 1),
                new Vector4(hsize, -vsize, zsize, 1),

                new Vector4(-hsize, -vsize, -zsize, 1),
                new Vector4(-hsize, vsize, -zsize, 1),
                new Vector4(hsize, vsize, -zsize, 1),
                new Vector4(hsize, -vsize, -zsize, 1),
            };


            {
                GLRenderState rll = GLRenderState.Lines(4);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rll, boundingbox));

                Vector4[] extralines = new Vector4[]
                {
                    new Vector4(-hsize, -vsize, zsize, 1),
                    new Vector4(-hsize, -vsize, -zsize, 1),

                    new Vector4(-hsize, vsize, zsize, 1),
                    new Vector4(-hsize, vsize, -zsize, 1),

                    new Vector4(hsize, vsize, zsize, 1),
                    new Vector4(hsize, vsize, -zsize, 1),

                    new Vector4(hsize, -vsize, zsize, 1),
                    new Vector4(hsize, -vsize, -zsize, 1),

                    new Vector4(-hsize, -vsize, zsize, 1),
                    new Vector4(hsize, -vsize, zsize, 1),

                    new Vector4(-hsize, -vsize, -zsize, 1),
                    new Vector4(hsize, -vsize, -zsize, 1),
                };

                GLRenderState rl = GLRenderState.Lines(4);
                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, extralines));
            }

            items.Add(new GLFixedShader(System.Drawing.Color.Purple), "LINEPURPLE");

            indicatorlinebuffer = new GLBuffer();                                                                          // new buffer
            indicatorlinebuffer.AllocateBytes(sizeof(float) * 4 * 2, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy); // set size of vec buffer
            rObjects.Add(items.Shader("LINEPURPLE"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl1, indicatorlinebuffer, 2));

            items.Add(new GLFixedProjectionShader(System.Drawing.Color.Yellow), "DOTYELLOW");
            interceptpointbuffer = new GLBuffer();                                                                           // new buffer
            interceptpointbuffer.AllocateBytes(sizeof(float) * 4 * 12, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy); // set size of vec buffer
            GLRenderState rp1 = GLRenderState.Points(10);

            interceptri = GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp1, interceptpointbuffer, 0);
            rObjects.Add(items.Shader("DOTYELLOW"), interceptri);

            items.Add(new GLFixedProjectionShader(System.Drawing.Color.FromArgb(60, Color.Blue)), "SURFACEBLUE");
            surfacebuffer = new GLBuffer();                                                                                // new buffer
            surfacebuffer.AllocateBytes(sizeof(float) * 4 * (6 + 2), OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy); // set size of vec buffer
            GLRenderState rtf = GLRenderState.Tri();

            surfaceri = GLRenderableItem.CreateVector4(items, PrimitiveType.TriangleFan, rtf, surfacebuffer, 0);
            rObjects.Add(items.Shader("SURFACEBLUE"), surfaceri);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block
        }
        public void CreateObjects(string name, GLItemsList items, GLRenderProgramSortedList rObjects, GalacticMapping galmap, float sizeofname = 5000, ManualCorrections[] corr = null)
        {
            List <Vector4> vertexcolourregions      = new List <Vector4>();
            List <Vector4> vertexregionsoutlines    = new List <Vector4>();
            List <ushort>  vertexregionoutlineindex = new List <ushort>();

            Size bitmapsize = new Size(250, 22);

            textrenderer = new GLBitmaps(name + "-bitmaps", rObjects, bitmapsize, depthtest: false, yfixed: true);
            items.Add(textrenderer);

            StringFormat fmt = new StringFormat(StringFormatFlags.NoWrap)
            {
                Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center
            };
            Font fnt = new Font("MS Sans Serif", 12F);

            int cindex = 0;

            foreach (GalacticMapObject gmo in galmap.galacticMapObjects)
            {
                if (gmo.galMapType.Group == GalMapType.GalMapGroup.Regions)
                {
                    string gmoname = gmo.name;

                    List <Vector2> polygonxz = new List <Vector2>();                              // needs it in x/z and in vector2's
                    foreach (var pd in gmo.points)
                    {
                        polygonxz.Add(new Vector2((float)pd.X, (float)pd.Z));                   // can be concave and wound the wrong way..
                        vertexregionoutlineindex.Add((ushort)(vertexregionsoutlines.Count));
                        vertexregionsoutlines.Add(new Vector4((float)pd.X, 0, (float)pd.Z, 1));
                    }

                    vertexregionoutlineindex.Add(0xffff);                                             // primitive restart to break polygon

                    List <List <Vector2> > polys = PolygonTriangulator.Triangulate(polygonxz, false); // cut into convex polygons first - because we want the biggest possible area for naming purposes

                    Vector2 avgcentroid    = new Vector2(0, 0);
                    int     pointsaveraged = 0;

                    if (polys.Count > 0)                                                 // just in case..
                    {
                        foreach (List <Vector2> points in polys)                         // now for every poly
                        {
                            List <List <Vector2> > polytri;
                            if (points.Count == 3)                                    // already a triangle..
                            {
                                polytri = new List <List <Vector2> >()
                                {
                                    new List <Vector2>()
                                    {
                                        points[0], points[1], points[2]
                                    }
                                }
                            }
                            ;
                            else
                            {
                                polytri = PolygonTriangulator.Triangulate(points, true);    // cut into triangles not polygons
                            }
                            foreach (List <Vector2> pt in polytri)
                            {
                                vertexcolourregions.Add(pt[0].ToVector4XZ(w: cindex));
                                vertexcolourregions.Add(pt[2].ToVector4XZ(w: cindex));
                                vertexcolourregions.Add(pt[1].ToVector4XZ(w: cindex));

                                var cx = (pt[0].X + pt[1].X + pt[2].X) / 3;
                                var cy = (pt[0].Y + pt[1].Y + pt[2].Y) / 3;
                                avgcentroid = new Vector2(avgcentroid.X + cx, avgcentroid.Y + cy);
                                pointsaveraged++;

                                //foreach (var pd in pt) // debug
                                //{
                                //    vertexregionoutlineindex.Add((ushort)(vertexregionsoutlines.Count));
                                //    vertexregionsoutlines.Add(new Vector4((float)pd.X, 0, (float)pd.Y, 1));
                                //}
                                //vertexregionoutlineindex.Add(0xffff);       // primitive restart to break polygon
                            }
                        }

                        cindex = (cindex + 1) % array.Length;

                        Vector2 centeroid = PolygonTriangulator.WeightedCentroids(polys);

                        if (corr != null)   // allows the centeroid to be nerfed slightly
                        {
                            var entry = Array.Find(corr, x => gmo.name.Contains(x.name, StringComparison.InvariantCultureIgnoreCase));
                            if (entry != null)
                            {
                                centeroid = new Vector2(centeroid.X + entry.x, centeroid.Y + entry.y);
                            }
                        }

                        var final = PolygonTriangulator.FitInsideConvexPoly(polys, centeroid, new Vector2(sizeofname, sizeofname * (float)bitmapsize.Height / (float)bitmapsize.Width));

                        Vector3 bestpos  = new Vector3(final.Item1.X, 0, final.Item1.Y);
                        Vector3 bestsize = new Vector3(final.Item2.X, 1, final.Item2.Y);

                        textrenderer.Add(null, gmo.name, fnt, Color.White, Color.Transparent, bestpos, bestsize, new Vector3(0, 0, 0), fmt, alphafadescalar: 5000, alphafadepos: 500);
                    }
                }
            }

            fmt.Dispose();
            fnt.Dispose();

            // regions

            var vertregion = new GLPLVertexShaderWorldPalletColor(array.ToVector4(0.1f), true);
            var fragregion = new GLPLFragmentShaderVSColor();

            regionshader = new GLShaderPipeline(vertregion, fragregion, null, null);
            items.Add(regionshader);

            GLRenderState rt = GLRenderState.Tri();

            rt.DepthTest = false;
            var ridisplay = GLRenderableItem.CreateVector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, rt, vertexcolourregions.ToArray());

            rObjects.Add(regionshader, name + "-regions", ridisplay);

            // outlines

            var vertoutline = new GLPLVertexShaderWorldCoord(true);
            var fragoutline = new GLPLFragmentShaderFixedColor(Color.Cyan);

            outlineshader = new GLShaderPipeline(vertoutline, fragoutline, null, null);
            items.Add(outlineshader);

            GLRenderState ro = GLRenderState.Lines();

            ro.DepthTest        = false;
            ro.PrimitiveRestart = 0xffff;
            var rioutline = GLRenderableItem.CreateVector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.LineStrip, ro, vertexregionsoutlines.ToArray());

            rioutline.CreateElementIndexUShort(items.NewBuffer(), vertexregionoutlineindex.ToArray());

            rObjects.Add(outlineshader, name + "-outlines", rioutline);

            renderstate = 7;
        }
Exemple #23
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 100000f;
            gl3dcontroller.ZoomDistance          = 5000F;
            gl3dcontroller.PosCamera.ZoomMin     = 0.1f;
            gl3dcontroller.PosCamera.ZoomScaling = 1.1f;
            gl3dcontroller.YHoldMovement         = true;
            gl3dcontroller.PaintObjects          = ControllerDraw;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms * 1.0f * Math.Min(eyedist / 1000, 10));
            };

            gl3dcontroller.MatrixCalc.InPerspectiveMode = true;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 10000), new Vector3(140.75f, 0, 0), 0.5F);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block

            int front = -20000, back = front + 90000, left = -45000, right = left + 90000, vsize = 2000;

            boundingbox = new Vector4[]
            {
                new Vector4(left, -vsize, front, 1),
                new Vector4(left, vsize, front, 1),
                new Vector4(right, vsize, front, 1),
                new Vector4(right, -vsize, front, 1),

                new Vector4(left, -vsize, back, 1),
                new Vector4(left, vsize, back, 1),
                new Vector4(right, vsize, back, 1),
                new Vector4(right, -vsize, back, 1),
            };

            Vector4[] displaylines = new Vector4[]
            {
                new Vector4(left, -vsize, front, 1), new Vector4(left, +vsize, front, 1),
                new Vector4(left, +vsize, front, 1), new Vector4(right, +vsize, front, 1),
                new Vector4(right, +vsize, front, 1), new Vector4(right, -vsize, front, 1),
                new Vector4(right, -vsize, front, 1), new Vector4(left, -vsize, front, 1),

                new Vector4(left, -vsize, back, 1), new Vector4(left, +vsize, back, 1),
                new Vector4(left, +vsize, back, 1), new Vector4(right, +vsize, back, 1),
                new Vector4(right, +vsize, back, 1), new Vector4(right, -vsize, back, 1),
                new Vector4(right, -vsize, back, 1), new Vector4(left, -vsize, back, 1),

                new Vector4(left, -vsize, front, 1), new Vector4(left, -vsize, back, 1),
                new Vector4(left, +vsize, front, 1), new Vector4(left, +vsize, back, 1),
                new Vector4(right, -vsize, front, 1), new Vector4(right, -vsize, back, 1),
                new Vector4(right, +vsize, front, 1), new Vector4(right, +vsize, back, 1),
            };

            {
                items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW");
                GLRenderState rl = GLRenderState.Lines(1);
                rObjects.Add(items.Shader("LINEYELLOW"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines));
            }


            {
                items.Add(new GLTexture2D(Properties.Resources.golden, SizedInternalFormat.Rgba8), "solmarker");
                items.Add(new GLTexturedShaderObjectTranslation(), "TEX");
                GLRenderState rq = GLRenderState.Quads(cullface: false);
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, 1000, 0))
                                                                   ));
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, -1000, 0))
                                                                   ));
                items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "sag");
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, 2000, 25899))
                                                                   ));
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, -2000, 25899))
                                                                   ));
                items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "bp");
                rObjects.Add(items.Shader("TEX"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("bp"), new Vector3(-1111f, 0, 65269))
                                                                   ));
            }

            if (false) // galaxy
            {
                volumetricblock = new GLVolumetricUniformBlock();
                items.Add(volumetricblock, "VB");

                int         sc      = 1;
                GLTexture3D noise3d = new GLTexture3D(1024 * sc, 64 * sc, 1024 * sc, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f);         // red channel only
                items.Add(noise3d, "Noise");
                ComputeShaderNoise3D csn = new ComputeShaderNoise3D(noise3d.Width, noise3d.Height, noise3d.Depth, 128 * sc, 16 * sc, 128 * sc); // must be a multiple of localgroupsize in csn
                csn.StartAction += (A, m) => { noise3d.BindImage(3); };
                csn.Run();                                                                                                                      // compute noise

                GLTexture1D gaussiantex = new GLTexture1D(1024, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f);                              // red channel only
                items.Add(gaussiantex, "Gaussian");

                // set centre=width, higher widths means more curve, higher std dev compensate.
                // fill the gaussiantex with data
                ComputeShaderGaussian gsn = new ComputeShaderGaussian(gaussiantex.Width, 2.0f, 2.0f, 1.4f, 4);
                gsn.StartAction += (A, m) => { gaussiantex.BindImage(4); };
                gsn.Run();      // compute noise

                GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits);

                //float[] gdata = gaussiantex.GetTextureImageAsFloats(OpenTK.Graphics.OpenGL4.PixelFormat.Red); // read back check
                //for( int i = 0; i < gdata.Length; i++  )
                //{
                //    double v = ((float)i / gdata.Length-0.5)*2*2;
                //    double r = ObjectExtensionsNumbersBool.GaussianDist(v, 2, 1.4);
                // //   System.Diagnostics.Debug.WriteLine(i + ":" + gdata[i] + ": " +  r);
                //}

                // load one upside down and horz flipped, because the volumetric co-ords are 0,0,0 bottom left, 1,1,1 top right
                GLTexture2D galtex = new GLTexture2D(Properties.Resources.Galaxy_L180, SizedInternalFormat.Rgba8);
                items.Add(galtex, "gal");
                GalaxyShader gs = new GalaxyShader();
                items.Add(gs, "Galaxy");
                // bind the galaxy texture, the 3dnoise, and the gaussian 1-d texture for the shader
                gs.StartAction = (a, m) => { galtex.Bind(1); noise3d.Bind(3); gaussiantex.Bind(4); };      // shader requires these, so bind using shader

                GLRenderState rt = GLRenderState.Tri();
                galaxy = GLRenderableItem.CreateNullVertex(PrimitiveType.Points, rt);   // no vertexes, all data from bound volumetric uniform, no instances as yet
                rObjects.Add(items.Shader("Galaxy"), galaxy);
            }

            if (true) // star points
            {
                int    gran = 8;
                Bitmap img  = Properties.Resources.Galaxy_L180;
                Bitmap heat = img.Function(img.Width / gran, img.Height / gran, mode: GLOFC.Utils.BitMapHelpers.BitmapFunction.HeatMap);
                heat.Save(@"c:\code\heatmap.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

                Random rnd = new Random(23);

                GLBuffer buf = new GLBuffer(16 * 500000); // since RND is fixed, should get the same number every time.
                buf.StartWrite(0);                        // get a ptr to the whole schebang

                int xcw = (right - left) / heat.Width;
                int zch = (back - front) / heat.Height;

                int points = 0;

                for (int x = 0; x < heat.Width; x++)
                {
                    for (int z = 0; z < heat.Height; z++)
                    {
                        int i  = heat.GetPixel(x, z).R;
                        int ii = i * i * i;
                        if (ii > 32 * 32 * 32)
                        {
                            int gx = left + x * xcw;
                            int gz = front + z * zch;

                            float  dx = (float)Math.Abs(gx) / 45000;
                            float  dz = (float)Math.Abs(25889 - gz) / 45000;
                            double d  = Math.Sqrt(dx * dx + dz * dz); // 0 - 0.1412
                            d = 1 - d;                                // 1 = centre, 0 = unit circle
                            d = d * 2 - 1;                            // -1 to +1
                            double dist = ObjectExtensionsNumbersBool.GaussianDist(d, 1, 1.4);

                            int c = Math.Min(Math.Max(ii / 140000, 0), 20);

                            dist *= 2000;

                            GLPointsFactory.RandomStars4(buf, c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: i);
                            points += c;
                            System.Diagnostics.Debug.Assert(points < buf.Length / 16);
                        }
                    }
                }

                buf.StopReadWrite();

                items.Add(new GalaxyStarDots(), "SD");
                GLRenderState rp = GLRenderState.Points(1);
                rp.DepthTest = false;
                rObjects.Add(items.Shader("SD"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, buf, points));
                System.Diagnostics.Debug.WriteLine("Stars " + points);
            }

            if (true)  // point sprite
            {
                items.Add(new GLTexture2D(Properties.Resources.StarFlare2, SizedInternalFormat.Rgba8), "lensflare");
                items.Add(new GLPointSpriteShader(items.Tex("lensflare"), 64, 40), "PS1");
                var p = GLPointsFactory.RandomStars4(1000, 0, 25899, 10000, 1000, -1000);

                GLRenderState rps = GLRenderState.PointSprites();
                rps.DepthTest = false;

                rObjects.Add(items.Shader("PS1"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Points, rps, p, new Color4[] { Color.White }));
            }

            {
                items.Add(new DynamicGridVertexShader(Color.Cyan), "PLGRIDVertShader");
                items.Add(new GLPLFragmentShaderVSColor(), "PLGRIDFragShader");

                GLRenderState rl = GLRenderState.Lines(1);
                rl.DepthTest = false;

                items.Add(new GLShaderPipeline(items.PLShader("PLGRIDVertShader"), items.PLShader("PLGRIDFragShader")), "DYNGRID");
                rObjects.Add(items.Shader("DYNGRID"), "DYNGRIDRENDER", GLRenderableItem.CreateNullVertex(PrimitiveType.Lines, rl, drawcount: 2));
            }


            {
                items.Add(new DynamicGridCoordVertexShader(), "PLGRIDBitmapVertShader");
                items.Add(new GLPLFragmentShaderTexture2DIndexed(0), "PLGRIDBitmapFragShader");     // binding

                GLRenderState rl = GLRenderState.Tri(cullface: false);
                rl.DepthTest = false;

                gridtexcoords = new GLTexture2DArray();
                items.Add(gridtexcoords, "PLGridBitmapTextures");

                GLShaderPipeline sp = new GLShaderPipeline(items.PLShader("PLGRIDBitmapVertShader"), items.PLShader("PLGRIDBitmapFragShader"));

                items.Add(sp, "DYNGRIDBitmap");

                rObjects.Add(items.Shader("DYNGRIDBitmap"), "DYNGRIDBitmapRENDER", GLRenderableItem.CreateNullVertex(PrimitiveType.TriangleStrip, rl, drawcount: 4, instancecount: 9));
            }
        }
        // Demonstrate buffer feedback AND geo shader add vertex/dump vertex

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 100F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            glwfc.BackColor = Color.FromArgb(0, 0, 60);
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(120f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 20.0f);
            };

            IGLTexture array2d = items.Add(new GLTexture2DArray(new Bitmap[] { Properties.Resources.mipmap, Properties.Resources.mipmap2,
                                                                               Properties.Resources.mipmap3, Properties.Resources.mipmap4 }, SizedInternalFormat.Rgba8, 9), "2DArray2");

            if (true)
            {
                items.Add(new GLMultipleTexturedBlended(false, 2), "ShaderPos");
                items.Shader("ShaderPos").StartAction += (s, m) =>
                {
                    array2d.Bind(1);
                };

                Vector4[] instancepositions = new Vector4[4];
                instancepositions[0] = new Vector4(-25, 0, -40, 0);      // last is image index..
                instancepositions[1] = new Vector4(-25, 0, 0, 0);
                instancepositions[2] = new Vector4(-25, 0, 40, 2);
                instancepositions[3] = new Vector4(-25, 0, 80, 2);

                GLRenderState rt = GLRenderState.Tri(cullface: false);
                rObjects.Add(items.Shader("ShaderPos"),
                             GLRenderableItem.CreateVector4Vector2Vector4(items, PrimitiveType.Triangles, rt,
                                                                          GLSphereObjectFactory.CreateTexturedSphereFromTriangles(3, 20.0f),
                                                                          instancepositions, ic: 4, separbuf: true
                                                                          ));
            }

            // Shader MAT

            if (true)
            {
                IGLProgramShader smat = items.Add(new GLMultipleTexturedBlended(true, 2), "ShaderMat");
                smat.StartAction += (s, m) =>
                {
                    array2d.Bind(1);
                };

                Matrix4[] pos2 = new Matrix4[3];
                pos2[0]     = Matrix4.CreateRotationY(-80f.Radians());
                pos2[0]    *= Matrix4.CreateTranslation(new Vector3(25, 0, -40));
                pos2[0].M44 = 0;        // this is the image number

                pos2[1]     = Matrix4.CreateRotationY(-70f.Radians());
                pos2[1]    *= Matrix4.CreateTranslation(new Vector3(25, 0, 0));
                pos2[1].M44 = 2;        // this is the image number

                pos2[2]     = Matrix4.CreateRotationZ(-60f.Radians());
                pos2[2]    *= Matrix4.CreateTranslation(new Vector3(25, 0, 40));
                pos2[2].M44 = 0;        // this is the image number

                GLRenderState rq = GLRenderState.Quads(cullface: false);
                rObjects.Add(items.Shader("ShaderMat"),
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(20.0f, 20.0f, new Vector3(-90f.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                          pos2, ic: 3, separbuf: false
                                                                          ));
            }

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.ZoomDistance = 40F;
            gl3dcontroller.MouseRotateAmountPerPixel = 0.05f;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(135, 0, 0), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl1 = GLRenderState.Lines(1);

            {
                rObjects.Add(items.Shader("COSW"), "L1",   // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(-100, 0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Gray })
                             );


                rObjects.Add(items.Shader("COSW"),    // vertical
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(100, 0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Gray })
                             );
            }

            // Number markers using instancing and 2d arrays, each with its own transform
            {
                Bitmap[]  numbers   = new Bitmap[20];
                Matrix4[] numberpos = new Matrix4[20];

                Font fnt = new Font("Arial", 44);

                for (int i = 0; i < numbers.Length; i++)
                {
                    int v = -100 + i * 10;
                    numbers[i] = new Bitmap(100, 100);
                    GLOFC.Utils.BitMapHelpers.DrawTextCentreIntoBitmap(ref numbers[i], v.ToString(), fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.Red, Color.AliceBlue);
                    numberpos[i]  = Matrix4.CreateScale(1);
                    numberpos[i] *= Matrix4.CreateRotationX(-80f.Radians());
                    numberpos[i] *= Matrix4.CreateTranslation(new Vector3(20, 0, v));
                }

                GLTexture2DArray array = new GLTexture2DArray(numbers, SizedInternalFormat.Rgba8, ownbmp: true);
                items.Add(array, "Nums");
                items.Add(new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0)), "IC-2");

                GLRenderState       rq = GLRenderState.Quads(cullface: false);
                GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("Nums"));

                rObjects.Add(items.Shader("IC-2"), "1-b",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(1.0f), GLShapeObjectFactory.TexQuadCW, numberpos, rt,
                                                                          numberpos.Length));
            }

            {
                int       left = -40, right = 40, bottom = -20, top = +20, front = -40, back = 40;
                Vector4[] lines2 = new Vector4[]
                {
                    new Vector4(left, bottom, front, 1), new Vector4(left, top, front, 1),
                    new Vector4(left, top, front, 1), new Vector4(right, top, front, 1),
                    new Vector4(right, top, front, 1), new Vector4(right, bottom, front, 1),
                    new Vector4(right, bottom, front, 1), new Vector4(left, bottom, front, 1),

                    new Vector4(left, bottom, back, 1), new Vector4(left, top, back, 1),
                    new Vector4(left, top, back, 1), new Vector4(right, top, back, 1),
                    new Vector4(right, top, back, 1), new Vector4(right, bottom, back, 1),
                    new Vector4(right, bottom, back, 1), new Vector4(left, bottom, back, 1),

                    new Vector4(left, bottom, front, 1), new Vector4(left, bottom, back, 1),
                    new Vector4(left, top, front, 1), new Vector4(left, top, back, 1),
                    new Vector4(right, bottom, front, 1), new Vector4(right, bottom, back, 1),
                    new Vector4(right, top, front, 1), new Vector4(right, top, back, 1),
                };

                items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW");
                rObjects.Add(items.Shader("LINEYELLOW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl1, lines2));
            }


            items.Add(new ShaderV2(), "V2");

            Vector4[] points = new Vector4[]
            {
                new Vector4(-40, -20, -40, 1),
                new Vector4(+40, +20, +40, 1),
            };

            GLRenderState rltot = GLRenderState.Tri();

            rObjects.Add(items.Shader("V2"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rltot, points, ic: 1));

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block

            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back

            atomicbuffer = items.NewAtomicBlock(6);
            atomicbuffer.AllocateBytes(sizeof(float) * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);
        }
        /// <summary>
        /// Create from waveform objects items to paint
        /// May use multiple creates on the same GLWaveFormObject object
        /// Ignore objects without materials or vertexes
        /// </summary>
        /// <param name="objects">List of waveform objects</param>
        /// <param name="worldpos">World position to offset objects to </param>
        /// <param name="rotationradians">Rotation to apply </param>
        /// <param name="scale">Scaling of objects</param>
        /// <returns>true if successfully created, else false if a material is not found</returns>

        public bool Create(List <GLWaveformObject> objects, Vector3 worldpos, Vector3 rotationradians, float scale = 1.0f)
        {
            if (objects == null)
            {
                return(false);
            }

            GLBuffer      vert = null;
            GLRenderState rts  = GLRenderState.Tri();
            bool          okay = false;

            foreach (var obj in objects)
            {
                if (obj.Material.HasChars() && obj.Vertices.Vertices.Count > 0)
                {
                    if (vert == null)
                    {
                        vert = items.NewBuffer();
                        vert.AllocateFill(obj.Vertices.Vertices.ToArray(), obj.Vertices.TextureVertices2.ToArray());    // store all vertices and textures into
                    }

                    bool textured = obj.Indices.TextureIndices.Count > 0;

                    string name = obj.ObjectName != null ? obj.ObjectName : obj.GroupName; // name to use for texture/colour

                    if (textured)                                                          // using textures need texture indicies
                    {
                        IGLTexture tex = items.Contains(obj.Material) ? items.Tex(obj.Material) : null;

                        if (tex == null)
                        {
                            return(false);
                        }

                        if (shadertexture == null)
                        {
                            shadertexture = new GLTexturedShaderObjectTranslation();
                            items.Add(shadertexture);
                        }

                        obj.Indices.RefactorVertexIndicesIntoTriangles();

                        var ri = GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rts, vert, vert.Positions[0], vert.Positions[1], 0,
                                                                       new GLRenderDataTranslationRotationTexture(tex, worldpos, rotationradians, scale)); // renderable item pointing to vert for vertexes

                        ri.CreateElementIndex(items.NewBuffer(), obj.Indices.VertexIndices.ToArray(), 0);                                                  // using the refactored indexes, create an index table and use

                        rlist.Add(shadertexture, name, ri);
                        okay = true;
                    }
                    else
                    {                   // use the name as a colour.
                        Color c = Color.FromName(obj.Material);

                        if (c.A == 0 && c.R == 0 && c.G == 0 && c.B == 0)
                        {
                            if (DefaultColor != Color.Transparent)
                            {
                                c = DefaultColor;
                            }
                            else
                            {
                                return(false);
                            }
                        }

                        if (shadercolor == null)
                        {
                            shadercolor = new GLUniformColorShaderObjectTranslation();
                            items.Add(shadercolor);
                        }

                        obj.Indices.RefactorVertexIndicesIntoTriangles();

                        var ri = GLRenderableItem.CreateVector4(items, PrimitiveType.Triangles, rts, vert, 0, 0, new GLRenderDataTranslationRotationColor(c, worldpos, rotationradians, scale)); // renderable item pointing to vert for vertexes
                        ri.CreateElementIndex(items.NewBuffer(), obj.Indices.VertexIndices.ToArray(), 0);                                                                                        // using the refactored indexes, create an index table and use

                        rlist.Add(shadercolor, name, ri);
                        okay = true;
                    }
                }
            }

            return(okay);
        }
Exemple #27
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");

            var vs    = new GLPLVertexShaderColorModelObjectTranslation(new string[] { "modelpos" }, TransformFeedbackMode.InterleavedAttribs);
            var fs    = new GLPLFragmentShaderVSColor();
            var cosot = new GLShaderPipeline(vs, fs);

            items.Add(cosot, "COSOT");

            ts1 = new GLOperationQueryTimeStamp();
            ts2 = new GLOperationQueryTimeStamp();

            rObjects.Add(ts1);

            #region coloured lines

            GLRenderState def = new GLRenderState()
            {
                DepthTest = true
            };                                                                 // set up default state for fixed values - no depth test, rely on stencil

            sync = new GLOperationFenceSync();

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri(def);
                rc.CullFace = true;


                var shape = GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f);
                rObjects.Add(cosot, "Tri1",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  shape,
                                                                  new Color4[] { Color4.Red, Color4.Red, Color4.Red, Color4.Red, Color4.Yellow, Color4.Yellow },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));
            }


            for (int i = 0; i < 1000; i++)
            {
                GLRenderState lines = GLRenderState.Lines(def, 5);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.White, Color.Red, Color.DarkRed, Color.DarkRed })
                             );

                GLRenderState lines2 = GLRenderState.Lines(def, 1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Orange, Color.Blue, Color.DarkRed, Color.DarkRed }));

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }
            rObjects.Add(sync);
            rObjects.Add(ts2);

            #endregion


            #endregion

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 100F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            glwfc.BackColor = Color.FromArgb(0, 0, 20);
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(120f, 0, 0f), 1F);
            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 20.0f);
            };

            // this bit is eye candy just to show its working

            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl = GLRenderState.Lines(1);

            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(-40, 0, 40), new Vector3(10, 0, 0), 9),
                                                              new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                         );


            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(40, 0, -40), new Vector3(0, 0, 10), 9),
                                                              new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                         );


            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEX");

            GLRenderState rt = GLRenderState.Tri();

            rObjects.Add(items.Shader("TEX"), "sphere7",
                         GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rt,
                                                               GLSphereObjectFactory.CreateTexturedSphereFromTriangles(4, 20.0f),
                                                               new GLRenderDataTranslationRotationTexture(items.Tex("moon"), new Vector3(0, 0, 0))
                                                               ));


            // Pass vertex data thru a vertex shader which stores into a block

            items.Add(new GLShaderPipeline(new GLVertexShaderCompute()), "N1");

            vecoutbuffer = new GLStorageBlock(1);                                                                                // new storage block on binding index 1 which the vertex shader uses
            vecoutbuffer.AllocateBytes(sizeof(float) * 2048 + sizeof(int), OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy); // set size of vec buffer

            //Vector4[] data = new Vector4[] {
            //    new Vector4(1, 2, 3, 0),
            //    new Vector4(4, 5, 6, 0)
            //};

            Vector4[] data = GLSphereObjectFactory.CreateSphereFromTriangles(0, 1.0f);

            GLRenderState rp = GLRenderState.Points();

            rObjects.Add(items.Shader("N1"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, data));

            for (double ang = -Math.PI / 2; ang <= Math.PI / 2 + 0.1; ang += 0.1)
            {
                Vector3 pos         = new Vector3((float)Math.Cos(ang), (float)Math.Sin(ang), 0);
                Vector3 up          = new Vector3(0, 1, 0);
                float   dotp        = Vector3.Dot(up, pos);
                float   lens        = (float)(up.Length * pos.Length);
                double  computedang = Math.Acos(dotp / lens);
                System.Diagnostics.Debug.WriteLine(ang.Degrees() + " " + pos + "-> dotp" + dotp + " " + computedang.Degrees());
            }

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0
        }
        private void IntCreatePath(GLItemsList items, GLRenderProgramSortedList rObjects, GLStorageBlock bufferfindresults)
        {
            HistoryEntry lastone = lastpos != -1 && lastpos < currentfilteredlist.Count ? currentfilteredlist[lastpos] : null;  // see if lastpos is there, and store it

            if (TravelPathEndDateEnable || TravelPathStartDateEnable)
            {
                currentfilteredlist = unfilteredlist.Where(x => (!TravelPathStartDateEnable || x.EventTimeUTC >= TravelPathStartDate) && (!TravelPathEndDateEnable || x.EventTimeUTC <= TravelPathEndDate)).ToList();
                if (currentfilteredlist.Count > MaxStars)
                {
                    currentfilteredlist = currentfilteredlist.Skip(currentfilteredlist.Count - MaxStars).ToList();
                }
            }
            else
            {
                if (unfilteredlist.Count > MaxStars)
                {
                    currentfilteredlist = unfilteredlist.Skip(currentfilteredlist.Count - MaxStars).ToList();
                }
                else
                {
                    currentfilteredlist = unfilteredlist;
                }
            }

            // do date filter on currentfilteredlist

            lastpos = lastone == null ? -1 : currentfilteredlist.IndexOf(lastone);        // may be -1, may have been removed

            var   positionsv4 = currentfilteredlist.Select(x => new Vector4((float)x.System.X, (float)x.System.Y, (float)x.System.Z, 0)).ToArray();
            var   colours     = currentfilteredlist.Select(x => x.JumpColor).ToArray();
            float seglen      = tapesize * 10;

            // a tape is a set of points (item1) and indexes to select them (item2), so we need an element index in the renderer to use.
            var tape = GLTapeObjectFactory.CreateTape(positionsv4, colours, tapesize, seglen, 0F.Radians(), margin: sunsize * 1.2f);

            if (ritape == null) // first time..
            {
                // first the tape

                var tapetex = new GLTexture2D(Properties.Resources.chevron, internalformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);        // tape image
                items.Add(tapetex);
                tapetex.SetSamplerMode(OpenTK.Graphics.OpenGL4.TextureWrapMode.Repeat, OpenTK.Graphics.OpenGL4.TextureWrapMode.Repeat);

                tapefrag = new GLPLFragmentShaderTextureTriStripColorReplace(1, Color.FromArgb(255, 206, 0, 0));
                var vert = new GLPLVertexShaderWorldTextureTriStrip();
                tapeshader = new GLShaderPipeline(vert, tapefrag);
                items.Add(tapeshader);

                GLRenderState rts = GLRenderState.Tri(tape.Item3, cullface: false); // set up a Tri strip, primitive restart value set from tape, no culling
                rts.DepthTest = depthtest;                                          // no depth test so always appears

                // now the renderer, set up with the render control, tape as the points, and bind a RenderDataTexture so the texture gets binded each time
                ritape         = GLRenderableItem.CreateVector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rts, tape.Item1.ToArray(), new GLRenderDataTexture(tapetex));
                tapepointbuf   = items.LastBuffer();                                            // keep buffer for refill
                ritape.Visible = tape.Item1.Count > 0;                                          // no items, set not visible, so it won't except over the BIND with nothing in the element buffer

                ritape.CreateElementIndex(items.NewBuffer(), tape.Item2.ToArray(), tape.Item3); // finally, we are using index to select vertexes, so create an index

                rObjects.Add(tapeshader, "travelpath-tape", ritape);                            // add render to object list

                // now the stars

                starposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

                starposbuf.AllocateFill(positionsv4);
                //Vector4[] vectors = starposbuf.ReadVector4s(0, starposbuf.Length / 16);

                sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Yellow, Color.FromArgb(255, 230, 230, 1) },
                                                                         autoscale: 30, autoscalemin: 1f, autoscalemax: 2f, useeyedistance: false); // below scale, 1f, above scale, scale up to x times (eyedist/scale)
                sunshader = new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader());
                items.Add(sunshader);

                var shape = GLSphereObjectFactory.CreateSphereFromTriangles(2, sunsize);

                GLRenderState rt = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                rt.DepthTest  = depthtest;
                rt.DepthClamp = true;
                renderersun   = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, rt, shape, starposbuf, 0, null, currentfilteredlist.Count, 1);
                rObjects.Add(sunshader, "travelpath-suns", renderersun);

                // find compute

                var geofind = new GLPLGeoShaderFindTriangles(bufferfindresults, 16);
                findshader = items.NewShaderPipeline(null, sunvertex, null, null, geofind, null, null, null);
                rifind     = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, GLRenderState.Tri(), shape, starposbuf, ic: currentfilteredlist.Count, seconddivisor: 1);

                // Sun names, handled by textrenderer
                textrenderer = new GLBitmaps("bm-travelmap", rObjects, new Size(128, 40), depthtest: depthtest, cullface: false);
                items.Add(textrenderer);
            }
            else
            {
                tapepointbuf.AllocateFill(tape.Item1.ToArray());                                       // replace the points with a new one
                ritape.RenderState.PrimitiveRestart = GL4Statics.DrawElementsRestartValue(tape.Item3); // IMPORTANT missing bit Robert, must set the primitive restart value to the new tape size
                ritape.CreateElementIndex(ritape.ElementBuffer, tape.Item2.ToArray(), tape.Item3);     // update the element buffer
                ritape.Visible = tape.Item1.Count > 0;

                starposbuf.AllocateFill(positionsv4);           // and update the star position buffers so find and sun renderer works
                renderersun.InstanceCount = positionsv4.Length; // update the number of suns to draw.

                rifind.InstanceCount = positionsv4.Length;      // update the find list
            }

            // name bitmaps

            HashSet <object> hashset = new HashSet <object>(currentfilteredlist);       // so it can find it quickly

            textrenderer.CurrentGeneration++;                                           // setup for next generation
            textrenderer.RemoveGeneration(textrenderer.CurrentGeneration - 1, hashset); // and remove all of the previous one which are not in hashset.

            Font fnt = new Font("Arial", 8.5F);

            using (StringFormat fmt = new StringFormat())
            {
                fmt.Alignment = StringAlignment.Center;
                foreach (var isys in currentfilteredlist)
                {
                    if (textrenderer.Exist(isys) == false)                   // if does not exist already, need a new label
                    {
                        textrenderer.Add(isys, isys.System.Name, fnt, Color.White, Color.Transparent, new Vector3((float)isys.System.X, (float)isys.System.Y - 5, (float)isys.System.Z),
                                         new Vector3(20, 0, 0), new Vector3(0, 0, 0), textformat: fmt, rotatetoviewer: true, rotateelevation: false, alphafadescalar: -200, alphafadepos: 300);
                    }
                }
            }

            fnt.Dispose();
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(180f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 50.0f);
            };

            glwfc.MouseDown += mousedown;

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                items.Add(new GLColorShaderWorld(), "COSW");

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(-100, 0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(100, 0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green }));
            }

            var vert   = new GLPLVertexShaderModelCoordWorldAutoscale();
            var frag   = new GLPLFragmentShaderFixedColor(Color.Yellow);
            var shader = new GLShaderPipeline(vert, frag);

            items.Add(shader, "TRI");

            var triangles = new Vector4[] { new Vector4(0, 0, 0, 1), new Vector4(10, 0, 0, 1), new Vector4(10, 0, 10, 1),
                                            new Vector4(-20, 0, 0, 1), new Vector4(-10, 0, 0, 1), new Vector4(-10, 0, 10, 1) };

            var worldpos = new Vector4[] { new Vector4(0, 0, 0, 0), new Vector4(0, 0, 12, 0) };

            GLRenderState rc = GLRenderState.Tri();

            rObjects.Add(items.Shader("TRI"), "scopen", GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, rc, triangles, worldpos, ic: 2, seconddivisor: 1));

            // demo shared find block, a problem in the past with the previous interface

            GLStorageBlock findblock = new GLStorageBlock(11);

            findshader1 = items.NewShaderPipeline("FS", new GLPLVertexShaderModelCoordWorldAutoscale(), null, null, new GLPLGeoShaderFindTriangles(findblock, 16), null, null, null);
            findrender1 = GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, GLRenderState.Tri(), triangles, worldpos, ic: 2, seconddivisor: 1);

            findshader2 = items.NewShaderPipeline("FS2", new GLPLVertexShaderModelCoordWorldAutoscale(), null, null, new GLPLGeoShaderFindTriangles(findblock, 16), null, null, null);
            findrender2 = GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, GLRenderState.Tri(), triangles, worldpos, ic: 2, seconddivisor: 1);

            Closed += ShaderTest_Closed;
        }