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| − | __NOTOC__
| + | #REDIRECT [[Glossary#Quad]] |
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| − | = Quad =
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| − | A four-sided polygon. Some [[RT3D]] engines use quads instead of triangular polygons because it saves NEED DEFINITION, because a square polygon stored as a quad stores only four vertices, whereas a square created with two triangles means transforming six vertices instead of only four. The artist should keep the vertices of the quad [[Coplanar|coplanar]], or rendering weirdness can happen, because the quad is divided into two triangles at render time. The internal edge between the two tris is determined arbitrarily, so it could look like a ridge or a valley.
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| − | ----
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| − | [[Category:Glossary]]
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