if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) > 0 && valid) {
Vector3d translate = getTranslate(e.getX(), e.getY(), prevTranslate);
//System.out.println("translate " + translate);
if (translate == null)
if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) > 0 && valid) {
Vector3d translate = getTranslate(e.getX(), e.getY(), prevTranslate);
//System.out.println("translate " + translate);
if (translate == null)