);
      }
      if (indexFingerBoxes.input_right) {
        scene.removeNode(indexFingerBoxes.input_right);
      }
      if (indexFingerBoxes.tracked_left) {
        scene.removeNode(indexFingerBoxes.tracked_left);
      }
      if (indexFingerBoxes.tracked_right) {
        scene.removeNode(indexFingerBoxes.tracked_right);
      }
      indexFingerBoxes.input_left = addBox(0, 0, 0, leftBoxColor.r, leftBoxColor.g, leftBoxColor.b);
      indexFingerBoxes.input_right = addBox(0, 0, 0, rightBoxColor.r, rightB