protected Camera(Vector3 position, Vector3 up, Vector3 lookAt)
{
Position = position;
Up = up.Normalize();
Direction = (lookAt - position).Normalize();
Right = Up.Cross(Direction).Normalize();
}
public PinholeCamera(Framebuffer renderTarget, Vector3 position, Vector3 direction, Vector3 up, Vector2 scale,
float distance) : base(renderTarget, position, direction, up)
{
Scale = scale;
Distance = distance;
W = Position - Direction;
W = W.Normalize();
U = Up.Cross(W);
U = U.Normalize();
V = W.Cross(U);
}
private void CalculateUvw()
{
W = Direction;
U = Up.Cross(W).Normalize();
V = W.Cross(U).Normalize();
}
