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CGFloat sinf = sin((endPercentage - startPercentage) * M_PI + startPercentage * M_PI * 2 ) * self.itemSpacing; CGFloat cosf = cos((endPercentage - startPercentage) * M_PI + startPercentage * M_PI * 2) * self.itemSpacing;
CGPoint center = CGPointMake(CGRectGetMidX(self.bounds) + sinf ,CGRectGetMidY(self.bounds) - cosf);
大意就是通过改变中心点的位置修改item的位置
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CGFloat sinf = sin((endPercentage - startPercentage) * M_PI + startPercentage * M_PI * 2 ) * self.itemSpacing;
CGFloat cosf = cos((endPercentage - startPercentage) * M_PI + startPercentage * M_PI * 2) * self.itemSpacing;
大意就是通过改变中心点的位置修改item的位置
The text was updated successfully, but these errors were encountered: