I set up a hero and some platforms that move down from the top.
With these, I have collisionBitMasks, which can detect when the hero has landed on the platform, and if the hero comes from above (
Tag: Collision
Cocos2DX Physical Collision
https://www.cnblogs.com/JiaoQing/p/3906780.html
Four response functions
< span style="color: #008080"> 1 EventListenerPhysicsContact* evContact = EventListenerPhysicsContact::create();/