The problem I am running in to is that the code I created to detect contact is not working. I wanted it to work when the ball category touched the obstacle category. What is wrong with my code? Thank you so much, any help is appreciated!The problem I am running in to is that the code
阅读背景：
为什么我的代码从来没有检测到任何与SKPhysicsBody的接触?
来源：互联网
分享到：
