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FireMonkey’s TCube & Tessellation

DelphiTools – If any of you had a look at FireMonkey’s TCube object, you might have noticed rendering it is quite slow and quite complex. If you were curious enough to look at the code, you might have noticed that TCube is actually a static mesh made up of 452 vertices, 1440 indices and 480 triangles, instead of the 8 vertices and 6 quads (12 triangles) one could have expected. That explains why it’s slow… and when looking at the indices, there are more oddities: some coordinates aren’t properly rounded (you can find -1.11759E-8 instead of zero), normals aren’t normalized, and ...
Favorite? Off-Topic? Eric @ 2011-10-17 09:03


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