old implementation of ccpAngle is imprecise #213
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| @@ -190,7 +190,8 @@ BOOL ccpLineIntersect(CGPoint A, CGPoint B, | |||
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| float ccpAngle(CGPoint a, CGPoint b) | |||
| { | |||
| float angle = acosf(ccpDot(ccpNormalize(a), ccpNormalize(b))); | |||
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Calvin Klein Calzoncillos http://www.margen.com/mini/klein/calvin-klein-calzoncillos.html
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due to prior normalization calculated angle can be quite inaccurate