/**@private */
__proto.onTargetMouseDown=function(e){
if ((this.isLockedFun)&& !this.isLockedFun(e))return;
this.event(/*laya.events.Event.END*/"end");
this._clickOnly=true;
this._lastOffset=0;
this._checkElastic=false;
this._lastPoint || (this._lastPoint=new Point());
this._lastPoint.setTo(Laya.stage.mouseX,Laya.stage.mouseY);
Laya.timer.clear(this,this.tweenMove);
Tween.clearTween(this);
Laya.stage.once(/*laya.events.Event.MOUSE_UP*/"mouseup",this,this.onStageMouseUp2);
Laya.stage.once(/*laya.events.Event.MOUSE_OUT*/"mouseout",this,this.onStageMouseUp2);
Laya.timer.frameLoop(1,this,this.loop);
}
// 点击之后出发的是mousedown事件, 这里直接是this.event("end")的
