unity3D动画引擎编写的多点触摸效果，实现了tuio协议和unity3D的无缝结合，可以实现物体的旋转功能，初学者可以学习tuio的实用方法-unity3D animation engine written in multi-touch effect, achieved tuio agreements and unity3D seamless combination of object rotation function can be achieved, beginners can lear