topLeft = new Point3D(0,0, SIZE).rotate(-viewAngle, -viewAngle);
topRight = new Point3D(0,0, SIZE).rotate(viewAngle, -viewAngle);
bottomLeft = new Point3D(0,0,SIZE).rotate(-viewAngle, viewAngle);
topLeft = new Point3D(0,0, SIZE).rotate(-viewAngle, -viewAngle);
topRight = new Point3D(0,0, SIZE).rotate(viewAngle, -viewAngle);
bottomLeft = new Point3D(0,0,SIZE).rotate(-viewAngle, viewAngle);