OC UIView CALayer 之旋转

001 透视投影 在3D透视效果中,需要引入投影变换,Z变化,通过手动修改矩阵,m34用于按比例缩放X和Y的值来计算到底要离视角多远. CATransform3D transform = CATransform3DIdentity;     transform.m34 = - 1.0 / 500.0;     transform = CATransform3DRotate(transform, M

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