  box.translation = [0, 0, -0.65];	
          box.scale = [0.25, 0.25, 0.25];	
          return box;	
        }	
        interactionBox = AddInteractionBox(defaultBoxColor.r, defaultBoxColor.g, defaultBoxColor.b);	
        leftInteractionBox = AddInteractionBox(leftBoxColor.r, leftBoxColor.g, leftBoxColor.b);	
        rightInteractionBox = AddInteractionBox(rightBoxColor.r, rightBoxColor.g, rightBoxColor.b);	
        scene.addNode(interactionBox);	
        scene.addNode(leftInteractionBox);	
        scene.a