Originally Posted by Resike
Would it be possible to create animated pie charts with this method with relatively small cost?
I'm looking for something like that in the future.
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I actually wrote this specifically to be used as an option for progress textures in weak auras, so it will be used to create animations there.
Most of the processing is from performing the matrix transformation for the texture coordinates which requires a decent number of math operations, but even doing this with a number of different textures probably isn't going to cause a noticeable impact on most, if any, computers capable of running the game in the first place.
edit: I tested 1200 spinners (all using the same texture) and went from 100 fps to around 80-85, animating them OnUpdate.