iOS Dev (69) 单点触摸时 Cocoa Touch API 座标转换为 OpenGL 座标
- 博客：http://blog.csdn.net/prevention
- 作者：大锐哥
- 摘自：
Learn iPhone and iPad cocos2d Game Development
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-(CGPoint) locationFromTouches:(NSSet *)touches
{
UITouch *touch = [touches anyObject];
CGPoint touchLocation = [touch locationInView: [touch view]];
return [[CCDirector sharedDirector] convertToGL:touchLocation];
}
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