// torso1
Geometry torso1geometry = new Box(1.7,1,1.7);
Body torso1 = new Body( "torso1", torso1geometry );
torso1.setPosition(new Vector3(-5,-11,-25));
Constraint neck = new UniversalJoint(head,torso1,new Vector3(-5,-10,-25), new Vector3(0,0,1), new Vector3(1,0,0));
scene.addConstraint(neck);
// torso2
Geometry torso2geometry = new Box(1.5,1,1.5);
Body torso2 = new Body( "torso2", torso2geometry );