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Model Requirement

Modeling for games

Typical game requirements for models are:

* Models must have low polygon count;

Each poly/triangle is a thing that needs to be drawn and although average modern video card can draw a million triangles, it should be divided among all of objects on screen, plus shaders eat a lot of GPU's time.

* Models should use only 1 texture map (additionally normal map, specular map and opacity map; the last one is rarely used);
* Maps (texture/normal/etc...) should be power-of-two.