我怎样才能在旋转矩形进行碰撞检测？ [英] How can I perform Collision Detection on rotated rectangles?

问题描述

好吧，我想编写一个程序，能告诉我，如果在一个30×矩形的任何点旋转到140度旋转到200度另一个30×矩形内。

Okay, I'm trying to write a program that could tell me if any points in a 30x100 rectangle rotated to 140 degrees are inside another 30x100 rectangle rotated to 200 degrees.

说实话，我甚至不知道从哪里开始。我想过做正常的计算，然后再重新转动他们，但比他们仍然不会匹配。

Honestly, I don't even know where to start. I thought about re-rotating them before doing normal calculations, but than they still wouldn't match up.

我怎样才能做到这一点？

How can I do this?

推荐答案

谷歌提供的<一个href="http://www.gamedev.net/page/resources/_/technical/game-programming/2d-rotated-rectangle-collision-r2604"相对=nofollow> 2D旋转矩形碰撞在GameDev.net 。

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