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Box2d output should be counter-clockwise. #3

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favoyang opened this issue Jul 13, 2010 · 2 comments
Open

Box2d output should be counter-clockwise. #3

favoyang opened this issue Jul 13, 2010 · 2 comments

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@favoyang
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@druidLike
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Someone pointed out that ONLY when you 'Scan' for the vertices that winding output incorrectly shows clockwise when it should be counter-clockwise.

@flyingninjas
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I was gettings this error:

Assertion failed: (area > 1.19209290e-7F), function ComputeCentroid, file /cocos2d-iphone-2.0.tar/external/Box2d/Box2D/Collision/Shapes/b2PolygonShape.cpp, line 115.

until i reversed the points. I recommend just adding an button or something to reverse them.

Anyway, this app is very useful, thanks!

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@favoyang @druidLike @flyingninjas