Unity中LineRenderer修改朝向face

1.LineRenderer默认是朝向相机的，需要修改朝向Z轴模式

 2.修改LineRenderer所在物体的Z轴

Vector3 direct = ptNodes[0] - MyPlanet.ins.transform.position;
transform.rotation = Quaternion.LookRotation(-direct, MyPlanet.ins.transform.up);