获取元素的值的时候可以任意组合,比如: vec4 pos = vec4(1.0, 2.0, 3.0, 4.0); vec4 swiz= pos.wzyx; // swiz = (4.0, 3.0, 2.0
http://code.google.com/p/as3corelib/ swix framework - Flex development framework Swiz 是一个简化RIA开发的Flex
分量顺序还可以被混合(Swizzling)重组,如下: vec4 pos = vec4(1.0, 2.0, 3.0, 4.0); vec4 swiz= pos.wzyx; // swiz = (4.0,
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