unity 3D循环滚动效果

https://blog.csdn.net/qinyuanpei/article/details/52765356

https://blog.csdn.net/chongzi_daima/article/details/100857125

https://blog.csdn.net/qq_15267341/article/details/76011321

cocos creater实现：

https://blog.csdn.net/weixin_41922691/article/details/100769762