[]摄像机lookAt如何围绕一个模型做Tween动画？

 var y = 1;

 Laya.timer.frameLoop(30, this, function () {

      y = y + 1;

      camera.transform.lookAt(model.transform.position, new Laya.Vector3(0, 1, 0), false);

      

camera.transform.rotate(new Laya.Vector3(0, y, 3), false, false);



 });