public Raytracer()
{
if (main == null)
{
main = this;
}
}
public void SetTransform(Vector3 position, Vector3 LookAtPoint, Vector3 up, float lookAngleY)
{
this.position = position;
lookDir = LookAtPoint - position;
this.lookAngleY = Raytracer.DegreeToRadian(lookAngleY);
Debug.WriteLine("Look angle y " + this.lookAngleY);
lookAngleX = 2 * (float)Math.Atan((float)width / height * Math.Tan(this.lookAngleY / 2));
Debug.WriteLine("Look angle x " + lookAngleX);
w = (position - LookAtPoint).Normalize();
u = Vector3.Cross(up, w).Normalize();
v = Vector3.Cross(w, u);
}
