// 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
}
public void Start(GLWinFormControl glwfc)
{
this.glwfc = glwfc;
matrixcalc = new GLMatrixCalc();
matrixcalc.PerspectiveNearZDistance = 1f;
matrixcalc.PerspectiveFarZDistance = worldsize * 2;
matrixcalc.InPerspectiveMode = true;
matrixcalc.ResizeViewPort(this, glwfc.Size);
items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // create a matrix uniform block
displaycontrol = new GLControlDisplay(items, glwfc, matrixcalc); // hook form to the window - its the master, it takes its size from mc.ScreenCoordMax
displaycontrol.Focusable = true; // we want to be able to focus and receive key presses.
displaycontrol.Name = "displaycontrol";
displaycontrol.Font = new Font("Arial", 12);
gl3dcontroller = new Controller3Dd();
gl3dcontroller.PaintObjects = ControllerDraw;
gl3dcontroller.ZoomDistance = 20e6 * 1000 * mscaling; // zoom 1 is X km
gl3dcontroller.PosCamera.ZoomMin = 0.001f;
gl3dcontroller.PosCamera.ZoomMax = 300f;
gl3dcontroller.PosCamera.ZoomScaling = 1.08f;
gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3d(0, 0, 0), new Vector3d(135f, 0, 0f), 0.025F, registermouseui: false, registerkeyui: true);
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);
};
for (int i = 1; i <= 10; i++)
{
int v = i * i;
double f = (gl3dcontroller.PosCamera.ZoomMax - gl3dcontroller.PosCamera.ZoomMin) * v / 100.0 + gl3dcontroller.PosCamera.ZoomMin;
System.Diagnostics.Debug.WriteLine($"{i} {v} {f}");
}
displaycontrol.Paint += (o, ts) => // subscribing after Controller start means we paint over the scene
{
// MCUB set up by Controller3DDraw which did the work first
// System.Diagnostics.Debug.WriteLine("Controls Draw");
displaycontrol.Render(glwfc.RenderState, ts);
};
displaycontrol.MouseClick += MouseClickOnMap; // grab mouse UI
displaycontrol.MouseUp += MouseUpOnMap;
displaycontrol.MouseDown += MouseDownOnMap;
displaycontrol.MouseMove += MouseMoveOnMap;
displaycontrol.MouseWheel += MouseWheelOnMap;
double startspeed = 60 * 60 * 6; // in sec
GLImage minus = new GLImage("timeplus1y", new Rectangle(0, 0, 32, 32), Properties.Resources.GoBackward);
minus.MouseClick += (e1, m1) => { currentjd -= 365; };
displaycontrol.Add(minus);
GLImage back = new GLImage("timeback", 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("timepause", new Rectangle(80, 0, 32, 32), Properties.Resources.Pause);
pause.MouseClick += (e1, m1) => { jdscaling = 0; };
displaycontrol.Add(pause);
GLImage fwd = new GLImage("timefwd", 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("timeplus1y", new Rectangle(160, 0, 32, 32), Properties.Resources.GoForward);
plus.MouseClick += (e1, m1) => { currentjd += 365; };
displaycontrol.Add(plus);
GLImage sysleft = new GLImage("sysleft", new Rectangle(200, 0, 32, 32), Properties.Resources.GoBackward);
sysleft.MouseClick += (e1, m1) => { DisplayNode(-1); };
displaycontrol.Add(sysleft);
mastersystem = new GLLabel("sysname", new Rectangle(230, 6, 70, 20), "All", Color.DarkOrange);
mastersystem.TextAlign = ContentAlignment.MiddleCenter;
displaycontrol.Add(mastersystem);
GLImage sysright = new GLImage("sysright", new Rectangle(300, 0, 32, 32), Properties.Resources.GoForward);
sysright.MouseClick += (e1, m1) => { DisplayNode(1); };
displaycontrol.Add(sysright);
timedisplay = new GLLabel("state", new Rectangle(340, 6, 800, 20), "Label", Color.DarkOrange);
displaycontrol.Add(timedisplay);
datalabel = new GLLabel("datalabel", new Rectangle(0, 40, 400, 100), "", Color.DarkOrange);
datalabel.TextAlign = ContentAlignment.TopLeft;
displaycontrol.Add(datalabel);
status = new GLLabel("Status", new Rectangle(0, 0, 2000, 24), "x");
status.Dock = DockingType.BottomLeft;
status.ForeColor = Color.Orange;
status.BackColor = Color.FromArgb(50, 50, 50, 50);
displaycontrol.Add(status);
rightclickmenubody = new GLContextMenu("RightClickMenuBody",
new GLMenuItem("RCMInfo", "Information")
{
MouseClick = (s, e) =>
{
}
},
new GLMenuItem("RCMZoomIn", "Track")
{
MouseClick = (s, e) =>
{
track = (int)rightclickmenubody.Tag;
}
},
new GLMenuItem("RCMZoomIn", "Track Central Body")
{
MouseClick = (s, e) =>
{
int body = (int)rightclickmenubody.Tag;
if (bodyinfo[body].parentindex >= 0)
{
track = bodyinfo[body].parentindex;
}
}
},
new GLMenuItem("RCMZoomIn", "Zoom In")
{
},
new GLMenuItem("RCMUntrack", "Untrack")
{
MouseClick = (s1, e1) =>
{
track = -1;
}
}
);
rightclickmenubody.Opening += (ms, tag) =>
{
ms["RCMUntrack"].Enabled = track != -1;
};
rightclickmenuscreen = new GLContextMenu("RightClickMenuBody",
new GLMenuItem("RCMSysDisplay", "System Display")
{
MouseClick = (s, e) =>
{
}
},
new GLMenuItem("RCMUntrack", "Untrack")
{
MouseClick = (s1, e1) =>
{
track = -1;
}
}
);
rightclickmenuscreen.Opening += (ms, tag) =>
{
ms["RCMUntrack"].Enabled = track != -1;
};
if (true)
{
var shader = new GLColorShaderWorld();
items.Add(shader);
GLRenderState lines = GLRenderState.Lines(1);
lines.DepthTest = false;
int gridsize = (int)(worldsize * mscaling);
int gridoffset = (int)(gridlines * mscaling);
int nolines = gridsize / gridoffset * 2 + 1;
Color gridcolour = Color.FromArgb(80, 80, 80, 80);
rObjects.Add(shader,
GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
GLShapeObjectFactory.CreateLines(new Vector3(-gridsize, -0, -gridsize), new Vector3(-gridsize, -0, gridsize), new Vector3(gridoffset, 0, 0), nolines),
new Color4[] { gridcolour })
);
rObjects.Add(shader,
GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
GLShapeObjectFactory.CreateLines(new Vector3(-gridsize, -0, -gridsize), new Vector3(gridsize, -0, -gridsize), new Vector3(0, 0, gridoffset), nolines),
new Color4[] { gridcolour }));
Size bmpsize = new Size(128, 30);
var maps = new GLBitmaps("bitmap1", rObjects, bmpsize, 3, OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8, false, false);
using (StringFormat fmt = new StringFormat(StringFormatFlags.NoWrap)
{
Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Center
})
{
float hsize = 40e6f * 1000 * mscaling; // million km -> m -> scaling
float vsize = hsize * bmpsize.Height / bmpsize.Width;
Font f = new Font("MS sans serif", 12f);
long pos = -nolines / 2 * (gridlines / 1000);
for (int i = -nolines / 2; i < nolines / 2; i++)
{
if (i != 0)
{
double v = Math.Abs(pos * 1000);
long p = Math.Abs(pos);
maps.Add(i, (p).ToString("N0"), f, Color.White, Color.Transparent, new Vector3(i * gridoffset + hsize / 2, 0, vsize / 2),
new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
maps.Add(i, (v / oneAU_m).ToString("N1") + "AU", f, Color.White, Color.Transparent, new Vector3(i * gridoffset + hsize / 2, 0, -vsize / 2),
new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
maps.Add(i, (p).ToString("N0"), f, Color.White, Color.Transparent, new Vector3(hsize / 2, 0, i * gridoffset + vsize / 2),
new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
maps.Add(i, (v / oneAU_m).ToString("N1") + "AU", f, Color.White, Color.Transparent, new Vector3(hsize / 2, 0, i * gridoffset - vsize / 2),
new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
}
pos += 50000000;
}
}
}
var orbitlinesvertshader = new GLPLVertexShaderModelWorldUniform(new Color[] { Color.FromArgb(128, 128, 0, 0), Color.FromArgb(128, 128, 128, 0) });
orbitlineshader = new GLShaderPipeline(orbitlinesvertshader, new GLPLFragmentShaderVSColor());
bodyplaneshader = new GLShaderPipeline(orbitlinesvertshader, new GLPLFragmentShaderVSColor()); // model pos in, with uniform world pos, vectors out, with vs_colour selected by worldpos.w
// set up ARB IDs for all images we are going to use..
var tbs = items.NewBindlessTextureHandleBlock(arbblock);
var texs = items.NewTexture2D(null, Properties.Resources.golden, SizedInternalFormat.Rgba8);
var texp = items.NewTexture2D(null, Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8);
var texb = items.NewTexture2D(null, Properties.Resources.dotted, SizedInternalFormat.Rgba8);
var texs2 = items.NewTexture2D(null, Properties.Resources.wooden, SizedInternalFormat.Rgba8);
tbs.WriteHandles(new IGLTexture[] { texs, texp, texb, texs2 });
// using 0 tex coord, 4 image id and arb text binding
var bodyfragshader = new GLPLFragmentShaderBindlessTexture(arbblock, discardiftransparent: true, useprimidover2: false);
// takes 0:Vector4 model, 1: vec2 text, 4:matrix, out is 0:tex, 1: modelpos, 2: instance, 4 = matrix[3][3]
var bodyvertshader = new GLPLVertexShaderModelMatrixTexture(1000000 * 1000 * mscaling, useeyedistance: false);
bodyshader = new GLShaderPipeline(bodyvertshader, bodyfragshader);
items.Add(bodyshader);
// hold shape
var sphereshape = GLSphereObjectFactory.CreateTexturedSphereFromTriangles(3, 1.0f);
spherebuffer = items.NewBuffer(); // fill buffer with model co-ords
spherebuffer.AllocateFill(sphereshape.Item1);
spheretexcobuffer = items.NewBuffer(); // fill buffer with tex coords
spheretexcobuffer.AllocateFill(sphereshape.Item2);
bodymatrixbuffer = items.NewBuffer(); // this holds the matrix to set position and size
GLStorageBlock findbufferresults = items.NewStorageBlock(findblock);
var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16); // pass thru normal vert/tcs/tes then to geoshader for results
findshader = items.NewShaderPipeline(null, bodyvertshader, null, null, geofind, null, null, null);
}
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
}
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();
}
// 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);
}
