void
Projector::SetWorldspaceClipPlane(Vec3& normal, Plane& plane)
{
// Rotate the plane normal into worldspace
ViewToWorld(normal, plane.normal);
plane.distance = (float) (camera->Pos() * plane.normal + CLIP_PLANE_EPSILON);
}
void CCamera::BuildRay( const Vector2D &vView, Vector& vStart, Vector& vEnd )
{
// Find the point they clicked on in world coordinates. It lies on the near
// clipping plane.
Vector vClickPoint;
ViewToWorld(vView, vClickPoint );
// Build a ray from the viewpoint through the point on the near clipping plane.
Vector vRay = vClickPoint - m_ViewPoint;
VectorNormalize( vRay );
vStart = m_ViewPoint;
vEnd = vStart + vRay * 99999;
}