Question about b3d bones...
Blitz3D Forums/Blitz3D Programming/Question about b3d bones...
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| Do bones that don't actually animate anything (example, ones just used as reference points on a model) cause the same kind of CPU hit as ones that do? I personally wouldn't think so, but I don't really know much about how blitz3D handles bones... If anyone has a clue, I'd be interested to find out for sure... |
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| no, as far as i know, animations doesnt take the cpu down... |
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| Recently I was told that directX 7 (which blitz uses) uses the CPU for bone animation. This explained why having models with high bone counts was causing my game to slow down by a huge margin, and the effect seems to be amplified by the polycount of the mesh. I think I'm quoting that right...I believe several people agreed that was the problem I was facing. |
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| You are correct. The vertex positions in DirectX7 have to be calculated in real-time by the cpu. The greater number of vertices the more calculations are necessary especially if they have multiple weights. A joint/bone with no vertices attached is treated as a pivot - as all bones are in reality. |
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| Smiff: That's what I was hoping. Thanks! |
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