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; }
/// <summary> /// Constructor /// </summary> /// <param name="tesselation">Tesselation amount</param> /// <param name="amplitude">Amplitude of sinewave</param> /// <param name="repeats">Repeats across object</param> /// <param name="rotate">To rotate to viewer in azimuth</param> /// <param name="rotateelevation">to rotate to viewer in elevation</param> /// <param name="commontransformuniform">Common transform uniform. 0 means off</param> /// <param name="autoscale">To autoscale distance. Sets the 1.0 scale point.</param> /// <param name="autoscalemin">Minimum to scale to</param> /// <param name="autoscalemax">Maximum to scale to</param> /// public GLTesselationShaderSinewaveAutoscale(float tesselation, float amplitude, float repeats, bool rotate = false, bool rotateelevation = true, int commontransformuniform = 0, float autoscale = 0, float autoscalemin = 0.1f, float autoscalemax = 3f) { var vert = new GLPLVertexScaleLookat(rotate, rotateelevation, commontransformuniform, false, false, autoscale, autoscalemin, autoscalemax); var tcs = new GLPLTesselationControl(tesselation); tes = new GLPLTesselationEvaluateSinewave(amplitude, repeats); var frag = new GLPLFragmentShaderTexture2DDiscard(); AddVertexTCSTESGeoFragment(vert, tcs, tes, null, frag); }
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); }
public void CreateObjects(GLItemsList items, GLRenderProgramSortedList rObjects, GalacticMapping galmap, GLStorageBlock findbufferresults, bool depthtest) { this.galmap = galmap; // first gets the images and make a 2d array texture for them Bitmap[] images = galmap.RenderableMapTypes.Select(x => x.Image as Bitmap).ToArray(); // 256 is defined normal size var objtex = new GLTexture2DArray(images, bmpmipmaplevels: 1, wantedmipmaplevels: 3, texturesize: new Size(256, 256), internalformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8, alignment: ContentAlignment.BottomCenter); IGLTexture texarray = items.Add(objtex, "GalObjTex"); // now build the shaders const int texbindingpoint = 1; var vert = new GLPLVertexScaleLookat(rotatetoviewer: dorotate, rotateelevation: doelevation, // a look at vertex shader autoscale: 500, autoscalemin: 1f, autoscalemax: 20f); // below 500, 1f, above 500, scale up to 20x var tcs = new GLPLTesselationControl(40f); tes = new GLPLTesselationEvaluateSinewave(1f, 2f); // this uses the world position from the vertex scaler to position the image, w controls image + animation (b16) var frag = new GLPLFragmentShaderTexture2DDiscard(texbindingpoint); // binding - takes image pos from tes. imagepos < 0 means discard objectshader = new GLShaderPipeline(vert, tcs, tes, null, frag); items.Add(objectshader); objectshader.StartAction += (s, m) => { texarray.Bind(texbindingpoint); // bind tex array to, matching above }; // now the RenderControl for the objects GLRenderState rt = GLRenderState.Patches(4); rt.DepthTest = depthtest; // create a quad and all entries of the renderable map objects, zero at this point, with a zero instance count. UpdateEnables will fill it in later // but we need to give it the maximum buffer length at this point const float objsize = 10.0f; // size of object on screen ridisplay = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Patches, rt, GLShapeObjectFactory.CreateQuadTriStrip(objsize, objsize), // quad2 4 vertexts new Vector4[galmap.RenderableMapObjects.Length], // world positions ic: 0, seconddivisor: 1); modelworldbuffer = items.LastBuffer(); int modelpos = modelworldbuffer.Positions[0]; worldpos = modelworldbuffer.Positions[1]; rObjects.Add(objectshader, "galmapobj", ridisplay); // add a find shader to look them up var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16); findshader = items.NewShaderPipeline(null, vert, tcs, tes, geofind, null, null, null); // hook to modelworldbuffer, at modelpos and worldpos. UpdateEnables will fill in instance count rifind = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Patches, GLRenderState.Patches(4), modelworldbuffer, modelpos, ridisplay.DrawCount, modelworldbuffer, worldpos, null, ic: 0, seconddivisor: 1); GLStatics.Check(); // Text renderer for the labels textrenderer = new GLBitmaps("bm-galmapobjects", rObjects, new Size(128, 40), depthtest: depthtest, cullface: false, textureformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8); items.Add(textrenderer); // now make the text up for all the objects above using (Font fnt = new Font("Arial", 8.5F)) { using (StringFormat fmt = new StringFormat()) { fmt.Alignment = StringAlignment.Center; var renderablegalmapobjects = galmap.RenderableMapObjects; // list of enabled entries List <Vector3> posset = new List <Vector3>(); float offscale = objsize * (0.5f + (float)textrenderer.BitmapSize.Height / (float)textrenderer.BitmapSize.Width / 2); // this is the nominal centre of the text bitmap, offset in Y to the object for (int i = 0; i < renderablegalmapobjects.Length; i++) { var o = renderablegalmapobjects[i]; float offset = -offscale; for (int j = 0; j < i; j++) // look up previous ones and see if we labeled it before { var d1 = new Vector3(o.points[0].X, o.points[0].Y + offset, o.points[0].Z); var d2 = posset[j]; // where it was placed. var diff = d1 - d2; if (diff.Length < offscale) // close { if (offset > 0) // if offset is positive, flip below and increase again { offset = -offset - offscale; } else { offset *= -1; // flip over top } // System.Diagnostics.Debug.WriteLine($"close {renderablegalmapobjects[i].name} {d1} to {renderablegalmapobjects[j].name} {d2} {diff} select {offset}"); } } Vector3 pos = new Vector3(o.points[0].X, o.points[0].Y + offset, o.points[0].Z); posset.Add(pos); //System.Diagnostics.Debug.WriteLine($"{renderablegalmapobjects[i].name} at {pos} {offset}"); textrenderer.Add(o.id, o.name, fnt, Color.White, Color.FromArgb(0, 255, 0, 255), pos, new Vector3(objsize, 0, 0), new Vector3(0, 0, 0), textformat: fmt, rotatetoviewer: dorotate, rotateelevation: doelevation, alphafadescalar: -100, alphafadepos: 500); // fade in, alpha = 0 at >500, 1 at 400 } } } UpdateEnables(); // fill in worldpos's and update instance count, taking into }