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在 box2D 中哪个方向被认为是 0 度?是北、南、东、西吗?然后角度是顺时针增加还是逆时针增加?
我已经阅读了手册,它似乎没有在任何地方提到这一点。
Box2d 实际上使用弧度... 0 对应于“东”。
http://en.wikipedia.org/wiki/Radian