void SetupFrustrum()
{
//Console.WriteLine("setup frustrum");
camerapos = Camera.GetInstance().RoamingCameraPos;
camerarot = Camera.GetInstance().RoamingCameraRot;
Rot inversecamerarot = camerarot.Inverse();
viewray = -mvMath.YAxis * inversecamerarot;
viewray.Normalize();
right = mvMath.XAxis * inversecamerarot;
up = mvMath.ZAxis * inversecamerarot;
right.Normalize();
up.Normalize();
double nearclip = RendererFactory.GetInstance().NearClip;
double farclip = RendererFactory.GetInstance().FarClip;
VNear = 2 * Math.Tan(RendererFactory.GetInstance().FieldOfView / 2 * Math.PI / 180) * nearclip;
VFar = VNear * farclip / nearclip;
HNear = VNear * (double)RendererFactory.GetInstance().WindowWidth / RendererFactory.GetInstance().WindowHeight;
HFar = HNear * farclip / nearclip;
fc = camerapos + viewray * farclip;
ftl = fc + (up * VFar / 2) - (right * HFar / 2);
ftr = fc + (up * VFar / 2) + (right * HFar / 2);
fbl = fc - (up * VFar / 2) - (right * HFar / 2);
fbr = fc - (up * VFar / 2) + (right * HFar / 2);
nc = camerapos + viewray * nearclip;
ntl = nc + (up * VNear / 2) - (right * HNear / 2);
ntr = nc + (up * VNear / 2) + (right * HNear / 2);
nbl = nc - (up * VNear / 2) - (right * HNear / 2);
nbr = nc - (up * VNear / 2) + (right * HNear / 2);
// note: all normals point outwards
planes[0] = new Plane(-viewray, nc);
planes[1] = new Plane(viewray, fc);
Vector3 vectoralongplane;
Vector3 normal;
vectoralongplane = (ntr - camerapos).Normalize();
normal = (up * vectoralongplane).Normalize();
planes[2] = new Plane(normal, camerapos);
vectoralongplane = (nbr - camerapos).Normalize();
normal = (right * vectoralongplane).Normalize();
planes[3] = new Plane(normal, camerapos);
vectoralongplane = (nbl - camerapos).Normalize();
normal = -(up * vectoralongplane).Normalize();
planes[4] = new Plane(normal, camerapos);
vectoralongplane = (ntl - camerapos).Normalize();
normal = -(right * vectoralongplane).Normalize();
planes[5] = new Plane(normal, camerapos);
}
public void ApplyCamera()
{
//PlayerMovement playermovement = PlayerMovement.GetInstance();
GLMatrix4d cameramatrix = GLMatrix4d.identity();
// rotate and reflect so x points right, y points backwards, z points up
cameramatrix.applyRotate(-90, 1.0, 0.0, 0.0);
cameramatrix.applyScale(1, -1, 1);
// rotate so x points right, y points forward, z points up
//cameramatrix.applyRotate(-90, 1.0, 0.0, 0.0);
// rotate so z axis is up, and x axis is forward, y axis is left
//cameramatrix.applyRotate(90, 0.0, 0.0, 1.0);
//cameramatrix.applyRotate( 90, 0.0, 1.0, 0.0 );
if (bRoamingCameraEnabled)
{
Rot inversecamerarot = RoamingCameraRot.Inverse();
mvMath.ApplyRotToGLMatrix4d(ref cameramatrix, inversecamerarot);
cameramatrix.applyTranslate(-RoamingCameraPos.x, -RoamingCameraPos.y, -RoamingCameraPos.z);
}
else if (viewpoint == Viewpoint.MouseLook)
{
//cameramatrix.applyRotate( - playermovement.avataryrot, 0f, 1f, 0f );
//cameramatrix.applyRotate( - playermovement.avatarzrot, 0f, 0f, 1f );
//cameramatrix.applyTranslate( - playermovement.avatarpos.x, - playermovement.avatarpos.y, - playermovement.avatarpos.z );
}
else if (viewpoint == Viewpoint.BehindPlayer)
{
/*
* cameramatrix.applyRotate( -18f, 0f, 1f, 0f );
*
* // Vector3 V = new Vector3( 0, playermovement.avataryrot * mvMath.PiOver180, playermovement.avatarzrot * mvMath.PiOver180 );
*
* cameramatrix.applyTranslate( 3.0f, 0.0f, -1.0f );
*
* cameramatrix.applyRotate( - (float)playermovement.avataryrot, 0f, 1f, 0f );
* cameramatrix.applyRotate( - (float)playermovement.avatarzrot, 0f, 0f, 1f );
*
* cameramatrix.applyTranslate( -playermovement.avatarpos.x, -playermovement.avatarpos.y, -playermovement.avatarpos.z );
*/
}
else if (viewpoint == Viewpoint.ThirdParty)
{
/*
* cameramatrix.applyRotate( -18f, 0f, 1f, 0f );
* cameramatrix.applyRotate( -90f, 0f, 0f, 1f );
*
* cameramatrix.applyTranslate( 0.0, - fThirdPartyViewZoom, fThirdPartyViewZoom / 3.0 );
* cameramatrix.applyRotate( - fThirdPartyViewRotate, 0f, 0f, 1f );
* cameramatrix.applyTranslate( - playermovement.avatarpos.x, - playermovement.avatarpos.y, - playermovement.avatarpos.z );
*/
}
GraphicsHelperFactory.GetInstance().LoadMatrix(cameramatrix.ToArray());
}
void SetupFrustrum()
{
//Console.WriteLine("setup frustrum");
camerapos = Camera.GetInstance().RoamingCameraPos;
camerarot = Camera.GetInstance().RoamingCameraRot;
Rot inversecamerarot = camerarot.Inverse();
viewray = -mvMath.YAxis * inversecamerarot;
viewray.Normalize();
right = mvMath.XAxis * inversecamerarot;
up = mvMath.ZAxis * inversecamerarot;
right.Normalize();
up.Normalize();
double nearclip = RendererFactory.GetInstance().NearClip;
double farclip = RendererFactory.GetInstance().FarClip;
VNear = 2 * Math.Tan(RendererFactory.GetInstance().FieldOfView / 2 * Math.PI / 180) * nearclip;
VFar = VNear * farclip / nearclip;
HNear = VNear * (double)RendererFactory.GetInstance().WindowWidth / RendererFactory.GetInstance().WindowHeight;
HFar = HNear * farclip / nearclip;
fc = camerapos + viewray * farclip;
ftl = fc + (up * VFar / 2) - (right * HFar / 2);
ftr = fc + (up * VFar / 2) + (right * HFar / 2);
fbl = fc - (up * VFar / 2) - (right * HFar / 2);
fbr = fc - (up * VFar / 2) + (right * HFar / 2);
nc = camerapos + viewray * nearclip;
ntl = nc + (up * VNear / 2) - (right * HNear / 2);
ntr = nc + (up * VNear / 2) + (right * HNear / 2);
nbl = nc - (up * VNear / 2) - (right * HNear / 2);
nbr = nc - (up * VNear / 2) + (right * HNear / 2);
// note: all normals point outwards
planes[0] = new Plane(-viewray, nc);
planes[1] = new Plane(viewray, fc);
Vector3 vectoralongplane;
Vector3 normal;
vectoralongplane = (ntr - camerapos).Normalize();
normal = (up * vectoralongplane).Normalize();
planes[2] = new Plane(normal, camerapos);
vectoralongplane = (nbr - camerapos).Normalize();
normal = (right * vectoralongplane).Normalize();
planes[3] = new Plane(normal, camerapos);
vectoralongplane = (nbl - camerapos).Normalize();
normal = -(up * vectoralongplane).Normalize();
planes[4] = new Plane(normal, camerapos);
vectoralongplane = (ntl - camerapos).Normalize();
normal = -(right * vectoralongplane).Normalize();
planes[5] = new Plane(normal, camerapos);
}
//! Feedback line buffer for OpenGL feedback, used by mvgraphics.cpp
/*
* class FeedbackLineBufferItem
* {
* public double type;
* public Vector2[] vertices = new Vector2[2];
* }
*/
public Vector3 GetMouseVector(Vector3 OurPos, Rot OurRot, int mousex, int mousey)
{
IRenderer renderer = RendererFactory.GetInstance();
Vector3 MouseVectorObserverAxes = new Vector3(-renderer.WindowWidth / 2 + mousex, -renderer.ScreenDistanceScreenCoords, renderer.WindowHeight / 2 - mousey);
//Console.WriteLine("MouseVectorObserverAxes: " + MouseVectorObserverAxes);
MouseVectorObserverAxes.Normalize();
//Console.WriteLine("MouseVectorObserverAxes (normalized): " + MouseVectorObserverAxes);
Vector3 MouseVectorWorldAxes = MouseVectorObserverAxes * OurRot.Inverse();
//Console.WriteLine("MouseVectorWorldAxes: " + MouseVectorWorldAxes.ToString());
MouseVectorWorldAxes.Normalize();
return(MouseVectorWorldAxes);
}
//! Feedback line buffer for OpenGL feedback, used by mvgraphics.cpp
/*
class FeedbackLineBufferItem
{
public double type;
public Vector2[] vertices = new Vector2[2];
}
*/
public Vector3 GetMouseVector(Vector3 OurPos, Rot OurRot, int mousex, int mousey)
{
IRenderer renderer = RendererFactory.GetInstance();
Vector3 MouseVectorObserverAxes = new Vector3( - renderer.WindowWidth / 2 + mousex, - renderer.ScreenDistanceScreenCoords, renderer.WindowHeight / 2 - mousey);
//Console.WriteLine("MouseVectorObserverAxes: " + MouseVectorObserverAxes);
MouseVectorObserverAxes.Normalize();
//Console.WriteLine("MouseVectorObserverAxes (normalized): " + MouseVectorObserverAxes);
Vector3 MouseVectorWorldAxes = MouseVectorObserverAxes * OurRot.Inverse();
//Console.WriteLine("MouseVectorWorldAxes: " + MouseVectorWorldAxes.ToString());
MouseVectorWorldAxes.Normalize();
return MouseVectorWorldAxes;
}