protected override void OnLoad(EventArgs args)
{
base.OnLoad (args);
GL.Viewport(0, 0, Width, Height);
GL.ClearColor (0.0f, 0.0f, 0.0f,0.0f);
GL.Enable (EnableCap.DepthTest);
GL.Enable (EnableCap.Blend);
GL.BlendFunc (BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.PointSize(2.5f);
VSync = OpenTK.VSyncMode.Off;
InitProgram ();
model = new IMatrixStack ();
view = new IMatrix ();
proj = new IMatrix ();
Reset ();
ResetTrackBall ();
useColor = false;
Keyboard.KeyDown += (s, e) => {
switch(e.Key){
case Key.W:
{
wireframeOn = !wireframeOn;
break;
}
case Key.S:
{
if (appliedForce)
break;
cloth.ApplyForce (clothForce);
appliedForce = true;
break;
}
case Key.T:
{
useLines = !useLines;
break;
}
case Key.R:
{
Reset ();
break;
}
case Key.X:
{
ResetTrackBall ();
break;
}
case Key.P:
{
pause = !pause;
break;
}
case Key.A:
{
animateSphere=!animateSphere;
break;
}
case Key.C:
{
useColor = !useColor;
Console.WriteLine("using color");
break;
}
case Key.Number1:
{
Reset();
Type1();
break;
}
case Key.Number2:
{
Reset();
Type2();
break;
}
case Key.Number3:
{
Reset();
Type3();
break;
}
case Key.Number4:
{
Reset();
Type4();
break;
}
case Key.Number5:
{
Reset();
Type5();
break;
}
case Key.Number6:
{
Reset();
Type6();
break;
}
}
};
}
public void MultMatrix(IMatrix im)
{
stack.Push(Top().Dot(im));
}
protected override void OnRenderFrame(OpenTK.FrameEventArgs e)
{
base.OnRenderFrame (e);
GL.Clear (ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
if (wireframeOn)
GL.PolygonMode (MaterialFace.FrontAndBack, PolygonMode.Line);
else
GL.PolygonMode (MaterialFace.FrontAndBack, PolygonMode.Fill);
proj = new IMatrix();
float aspectRatio = (float) ((1.0f * this.Width) / this.Height);
//fixing aspect ratio
if (aspectRatio < 1.0)
proj = IMatrix.Scaling(1.0f, aspectRatio, 0.5f);
else
proj = IMatrix.Scaling(1/aspectRatio,1, 0.5f);
//perspective
proj = proj.Dot(IMatrix.Perspective (1.0f, 0.2f, 20.0f));
//view
view = trackball.InvertibleTransform ();
model.SetIdentity ();
//from now on... model!
foreach (var sphere in spheres) {
model.Push ();
model.MultMatrix (sphere.Model);
SendUniforms (sphere.Color);
DrawSphere (sphere.Radius, sphere.Rings, sphere.Segments);
model.Pop ();
}
foreach (var capsule in capsules) {
DrawCapsule1 (capsule);
}
model.Push ();
model.MultMatrix (cloth.Model);
SendUniforms (new Vec4(0.5f,1,0.3f,1.0f));
DrawMesh (cloth);
model.Pop ();
SwapBuffers ();
var N = 10;
for (var i = 0; i<N; i++) {
doPhysics ((float)e.Time/N);
}
}
public IMatrix Dot(IMatrix im)
{
return new IMatrix(Direct.Dot(im.Direct), im.Inverse.Dot(Inverse));
}
