Edited by [user="37934"] @ [time="1041664755"]
narby wrote..Is this GOOD or BAD for our FPS?
It's the way a poly in a model can be rendered invisible, for example something as complex as a fern can have the frons visible, but the empty space isn't rendered. Imagine a window frame being placed as a model, the gaps where the glass go will be masked and invisible while the rest of the frame is visible, all as one poly.
Less polys could be good but sounds like that takes a fair amount of processor to render certain parts invisible.
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