LAppDelegate.prototype.initialize = function () {
  ...
  else {
    canvas.onmousedown = onClickBegan;// 执行动画
    // canvas.onmousemove = onMouseMoved;
    canvas.onmouseup = onClickEnded;// 需要执行动画
    // document.onmouseenter = onClickBegan;
    document.onmousemove = onMouseMoved;
    document.onmouseleave = onMouseLeave;// 回头
  }
};

/**
 * 回头,不触发点击事件
 */
function onMouseLeave(e) {
  if (!LAppDelegate.getInstance()._view) {
    _lapppal__WEBPACK_IMPORTED_MODULE_3__["LAppPal"].printLog("view notfound");
    return;
  }
  var live2DManager = _lapplive2dmanager__WEBPACK_IMPORTED_MODULE_5__["LAppLive2DManager"].getInstance();
  live2DManager.onDrag(0.0, 0.0);
}

LAppLive2DManager.prototype.onUpdate = function () {
  var scale_rate = _lappdefine__WEBPACK_IMPORTED_MODULE_3__["LAppDefine"].ScaleRate;
  projection.scale(scale_rate, width / height * scale_rate);// 调整放缩倍数
};

LAppLive2DManager.prototype.onTap = function (x, y) {
  var scale_rate = _lappdefine__WEBPACK_IMPORTED_MODULE_3__["LAppDefine"].ScaleRate;
  x /= scale_rate;
  y /= scale_rate;
  ...
};

LAppDelegate.prototype.run = function () {
  ...
  gl.clearColor(0.0, 0.0, 0.0, 0.0);// 背景颜色
  ...
}

LAppDelegate.prototype.run = function () {
// 自定义切换模型
var btnChange = document.getElementById("btnChange");
  btnChange.addEventListener("click", function () {
  var live2DManager = _lapplive2dmanager__WEBPACK_IMPORTED_MODULE_5__["LAppLive2DManager"].getInstance();
  live2DManager.nextScene();
  });
}

function myDrag()
{// 使模型能够拖拽
  $(".drag").draggable(
  {
    containment: document.body
  });
}

function onClickBegan(e) {
  ...
  //   LAppDelegate.getInstance()._captured = true;
  //   var posX = e.pageX;
  //   var posY = e.pageY;
  // 修正鼠标点击位置判定
  var rect = e.target.getBoundingClientRect();
  var posX = e.clientX - rect.left;
  var posY = e.clientY - rect.top;
  ...
}

function onMouseMoved(e) {
  //   if (!LAppDelegate.getInstance()._captured) {// TODO
  //       return;
  //   }
  if (!LAppDelegate.getInstance()._view) {
    _lapppal__WEBPACK_IMPORTED_MODULE_3__["LAppPal"].printLog("view notfound");
    return;
  }
  var tempDrag = document.getElementById("drag_" + "0");// TODO 获取拖拽元素
  //   var rect = document.body.getBoundingClientRect();
  //   var posX = e.clientX - rect.left;
  //   var posY = e.clientY - rect.top;
  var posX = e.clientX - tempDrag.offsetLeft;
  var posY = e.clientY - tempDrag.offsetTop;
  console.log("lappdelegate onMouseMoved (" + posX + ", " + posY + "), target: " + e.target);
  LAppDelegate.getInstance()._view.onTouchesMoved(posX, posY);
}

else {// TODO 绑定到特定canvas
  var tempNum = this._num;
  if (tempNum == null) { tempNum.fuckshit(); };
  canvas.addEventListener("mousedown", function () {
      onClickBegan(window.event, tempNum);
      }, false);
  canvas.addEventListener("mouseup", function () {// 需要执行动画
      onClickEnded(window.event, tempNum);
      }, false);
  // document.onmouseenter = onClickBegan;

  document.body.addEventListener("mousemove", function () {// TODO
      onMouseMoved(window.event, tempNum);
      }, false);// 全局鼠标跟随

  document.body.addEventListener("mouseleave", function () {// TODO
      onMouseLeave(window.event, tempNum);
      }, false);// 回头
}