Created
October 8, 2018 07:11
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judge CGPath Intersection
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| BOOL CGPathIntersectsCircle(CGPathRef path, CGPoint center, CGFloat radius){ | |
| CGPathRef extendPath; | |
| extendPath = CGPathCreateCopyByStrokingPath(path, NULL, radius, | |
| kCGLineCapRound, | |
| kCGLineJoinRound, 0.0); | |
| if (CGPathContainsPoint(extendPath, NULL, center, NO)){ | |
| CGPathRelease(extendPath); | |
| return YES; | |
| } | |
| CGPathRelease(extendPath); | |
| return NO; | |
| } |
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It refer from this