private fun tapDistanceOf2Points(hitResult: HitResult){
        if (placedAnchorNodes.size == 0){
            placeAnchor(hitResult, cubeRenderable!!)
        }
        else if (placedAnchorNodes.size == 1){
            placeAnchor(hitResult, cubeRenderable!!)

            val midPosition = floatArrayOf(
                (placedAnchorNodes[0].worldPosition.x + placedAnchorNodes[1].worldPosition.x) / 2,
                (placedAnchorNodes[0].worldPosition.y + placedAnchorNodes[1].worldPosition.y) / 2,
                (placedAnchorNodes[0].worldPosition.z + placedAnchorNodes[1].worldPosition.z) / 2)
            val quaternion = floatArrayOf(0.0f,0.0f,0.0f,0.0f)
            val pose = Pose(midPosition, quaternion)

            placeMidAnchor(pose, distanceCardViewRenderable!!)
        }
        else {
            clearAllAnchors()
            placeAnchor(hitResult, cubeRenderable!!)
        }
    }