  //cylinder.AABB = createAABBVertices( cylinder );
                cylinder.name = "Cylinder" + n;
                cylinder.mass = OBJ_MASS;
                objects.add(cylinder);
                var helper = new THREE.BoxHelper(cylinder, 0xff0000);
                cylinder.limit = WALL_LIMIT - helper.geometry.boundingSphere.radius;
            }

            function createIcosahedron( n ) {

                var geom = new THREE.IcosahedronGeometry(OBJ_SIZE);
                var material = new 