确保在 Rigidbody2D 移动时检测所有碰撞。
当使用该模式时，碰撞检测系统将检测 Rigidbody2D 移动路径中的所有碰撞，从而防止附加到该刚体的碰撞体以更高的速度穿过其他碰撞体。物理系统还将计算 time-of-time 计算，以确保 Rigidbody2D 的新位置在正确的接触位置，并且没有重叠。但这个模式的计算成本高很多，应仅在对象以更高的速度移动或者对象重叠或对象相互穿过时才使用。
另请参阅：Rigidbody2D.collisionDetectionMode。
Did you find this page useful? Please give it a rating:
Thanks for rating this page!
What kind of problem would you like to report?
Thanks for letting us know! This page has been marked for review based on your feedback.
If you have time, you can provide more information to help us fix the problem faster.
Provide more information
You've told us this page needs code samples. If you'd like to help us further, you could provide a code sample, or tell us about what kind of code sample you'd like to see:
You've told us there are code samples on this page which don't work. If you know how to fix it, or have something better we could use instead, please let us know:
You've told us there is information missing from this page. Please tell us more about what's missing:
You've told us there is incorrect information on this page. If you know what we should change to make it correct, please tell us:
You've told us this page has unclear or confusing information. Please tell us more about what you found unclear or confusing, or let us know how we could make it clearer:
You've told us there is a spelling or grammar error on this page. Please tell us what's wrong:
You've told us this page has a problem. Please tell us more about what's wrong:
Thank you for helping to make the Unity documentation better!
Your feedback has been submitted as a ticket for our documentation team to review.
We are not able to reply to every ticket submitted.