Point2D ul2d = project(ul, viewDistance, fov, cw, ch);
Point2D ur2d = project(ur, viewDistance, fov, cw, ch);
Point2D ll2d = project(ll, viewDistance, fov, cw, ch);
Point2D lr2d = project(lr, viewDistance, fov, cw, ch);
perspectiveTransform = new PerspectiveTransform(ul2d.getX(), ul2d.getY(), ur2d.getX(), ur2d.getY(), lr2d.getX(), lr2d.getY(), ll2d.getX(), ll2d.getY());
if(reflection != null) {
ulReflection2d = project(ulReflection, viewDistance, fov, cw, ch);
urReflection2d = project(urReflection, viewDistance, fov, cw, ch);