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(110f, 0, 0f), 1F);
gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
{
return((float)ms / 50.0f);
};
//items.Add("lensflarewhite", new GLTexture2D(Properties.Resources.lensflare_white64));
items.Add(new GLTexture2D(Properties.Resources.StarFlare2, SizedInternalFormat.Rgba8), "lensflare");
items.Add(new GLColorShaderWorld(), "COS");
#region coloured lines
{
GLRenderState rl = GLRenderState.Lines(1);
rObjects.Add(items.Shader("COS"), // horizontal
GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
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("COS"), // vertical
GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
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 p = GLPointsFactory.RandomStars4(100, -100, 100, 100, -100, 100, -100);
//p = new Vector4[10];
//for( int i = 0; i < 10; i++)
//{
// p[i] = new Vector4(i, 6.8f, 0,1);
//}
items.Add(new GLPointSprite(), "PS1");
GLRenderState rp = GLRenderState.PointSprites(); // by program
GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("lensflare"), 4);
rObjects.Add(items.Shader("PS1"),
GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Points, rp,
p, new Color4[] { Color.Red, Color.Yellow, Color.Green }, rt));
#endregion
items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // create a matrix uniform block
}
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));
}
}
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.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 }));
}
}