//---------------------------------------------------------------------
        public void test1()
        {
            CBoxCollider box1 = new CBoxCollider(0, 0, 20, 20);
            CBoxCollider box2 = new CBoxCollider(0, 0, 20, 20);

            box1.setPosition(EbVector3.Zero);
            box2.setPosition(new EbVector3(10, 10, 0));
            assert(box1.isIn(box2), "error", "ok");

            box1.setPosition(EbVector3.Zero);
            box2.setPosition(new EbVector3(20, 10, 0));
            assert(box1.isIn(box2), "error", "ok");

            box1.setPosition(EbVector3.Zero);
            box2.setPosition(new EbVector3(212, 10, 0));
            assert(box1.isIn(box2), "error", "ok");
        }