MD2动画是一种顶点动画技术，它为每一帧保存所有顶点的位置，虽然消耗大量内存，但可以预先计算骨架动画，减少运行时计算，适合在矩阵乘法计算成本高的平台使用。
MD2 Animation is a kind of vertex animation that will save all vertex position for each frame. Yes, this technology is very memory consuming. But it also have some advantage too. You could take it as the pre-computed skeleton animation. For some platform, using skeleton animation will result in a lots of running time calculation (mainly matrix multiple). So, you pre-calculate for each frame and save into the memory. You trade the time with memory. 
The full source code could be found from here.
转载于:https://www.cnblogs.com/open-coder/archive/2012/12/29/2839419.html
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