// for testing only
void FrustrumCulling_WriteNextFrameEvent()
{
SetupFrustrum();
IGraphicsHelper g = GraphicsHelperFactory.GetInstance();
/*
* g.SetMaterialColor(new Color(1, 1, 0));
* Gl.glBegin(Gl.GL_LINES);
* g.Vertex(camerapos + viewray * 0.51 + HNear / 2 * 0.95 * right + VNear / 2 * 0.95 * up);
* g.Vertex(camerapos + viewray * 0.51 - HNear / 2 * 0.95 * right + VNear / 2 * 0.95 * up);
* Gl.glEnd();
* Gl.glBegin(Gl.GL_LINES);
* g.Vertex(camerapos + viewray * 0.51 - HNear / 2 * 0.95 * right - VNear / 2 * 0.95 * up);
* g.Vertex(camerapos + viewray * 0.51 + HNear / 2 * 0.95 * right - VNear / 2 * 0.95 * up);
* Gl.glEnd();
*/
g.SetMaterialColor(new Color(1, 0, 1));
Gl.glBegin(Gl.GL_LINES);
g.Vertex(camerapos + viewray * 1050 + HFar / 2 * 0.95 * right + VFar / 2 * 0.95 * up);
g.Vertex(camerapos + viewray * 1050 - HFar / 2 * 0.95 * right + VFar / 2 * 0.95 * up);
Gl.glEnd();
Gl.glBegin(Gl.GL_LINES);
g.Vertex(camerapos + viewray * 1050 - HFar / 2 * 0.95 * right - VFar / 2 * 0.95 * up);
g.Vertex(camerapos + viewray * 1050 + HFar / 2 * 0.95 * right - VFar / 2 * 0.95 * up);
Gl.glEnd();
g.SetMaterialColor(new Color(1, 0, 0));
Gl.glBegin(Gl.GL_LINES);
g.Vertex(viewray * 10);
g.Vertex(viewray * 100);
Gl.glEnd();
g.SetMaterialColor(new Color(0, 1, 0));
Gl.glBegin(Gl.GL_LINES);
g.Vertex(viewray * 10);
g.Vertex(viewray * 10 + right * 100);
Gl.glEnd();
g.SetMaterialColor(new Color(0, 0, 1));
Gl.glBegin(Gl.GL_LINES);
g.Vertex(viewray * 10);
g.Vertex(viewray * 10 + up * 100);
Gl.glEnd();
g.SetMaterialColor(new Color(0, 1, 1));
for (int i = 0; i < 6; i++)
{
Gl.glBegin(Gl.GL_LINES);
g.Vertex(planes[i].point + viewray * 100);
g.Vertex(planes[i].point + planes[i].normalizednormal * 100 + viewray * 100);
Gl.glEnd();
}
//Console.WriteLine( CheckObject(camerapos - 3 * viewray, 2) );
//System.Environment.Exit(0);
}
// for testing only
void FrustrumCulling_WriteNextFrameEvent(Vector3 camerapos)
{
SetupFrustrum();
IGraphicsHelper g = GraphicsHelperFactory.GetInstance();
g.SetMaterialColor(new Color(1, 1, 0));
Gl.glBegin(Gl.GL_LINES);
g.Vertex(camerapos + viewray * nearclip * 1.1 + HNear / 2 * 0.95 * right + VNear / 2 * 0.95 * up);
g.Vertex(camerapos + viewray * nearclip * 1.1 - HNear / 2 * 0.95 * right + VNear / 2 * 0.95 * up);
Gl.glEnd();
Gl.glBegin(Gl.GL_LINES);
g.Vertex(camerapos + viewray * nearclip * 1.1 - HNear / 2 * 0.95 * right - VNear / 2 * 0.95 * up);
g.Vertex(camerapos + viewray * nearclip * 1.1 + HNear / 2 * 0.95 * right - VNear / 2 * 0.95 * up);
Gl.glEnd();
g.SetMaterialColor(new Color(1, 0, 1));
Gl.glBegin(Gl.GL_LINES);
g.Vertex(camerapos + viewray * farclip * 0.95 + HFar / 2 * 0.95 * right + VFar / 2 * 0.9 * up);
g.Vertex(camerapos + viewray * farclip * 0.95 - HFar / 2 * 0.95 * right + VFar / 2 * 0.9 * up);
Gl.glEnd();
Gl.glBegin(Gl.GL_LINES);
g.Vertex(camerapos + viewray * farclip * 0.95 - HFar / 2 * 0.95 * right - VFar / 2 * 0.9 * up);
g.Vertex(camerapos + viewray * farclip * 0.95 + HFar / 2 * 0.95 * right - VFar / 2 * 0.9 * up);
Gl.glEnd();
/*
* g.SetMaterialColor(new Color(1, 0, 0));
* Gl.glBegin(Gl.GL_LINES);
* g.Vertex(viewray * 10);
* g.Vertex(viewray * 100);
* Gl.glEnd();
*
* g.SetMaterialColor(new Color(0, 1, 0));
* Gl.glBegin(Gl.GL_LINES);
* g.Vertex(viewray * 10);
* g.Vertex(viewray * 10 + right * 100);
* Gl.glEnd();
*
* g.SetMaterialColor(new Color(0, 0, 1));
* Gl.glBegin(Gl.GL_LINES);
* g.Vertex(viewray * 10);
* g.Vertex(viewray * 10 + up * 100);
* Gl.glEnd();
*
* g.SetMaterialColor(new Color(0, 1, 1));
* for (int i = 0; i < 6; i++)
* {
* Gl.glBegin(Gl.GL_LINES);
* g.Vertex(planes[i].point + viewray * 100);
* g.Vertex(planes[i].point + planes[i].normalizednormal * 100 + viewray * 100);
* Gl.glEnd();
* }
*/
//Console.WriteLine( camerapos + " " + viewray );
//Console.WriteLine( IsInsideFrustum( camerapos + viewray * nearclip * 1.5, 0 ) );
//Console.WriteLine( IsInsideFrustum( camerapos + viewray * farclip * 0.9, 0 ) );
//System.Environment.Exit( 0 );
}