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Z-Buffer

Z-Buffer - The memory on a 3D card in which the Z value of a three dimensional point is stored. In geometry, the variables that make up a 3D point are X, Y, and Z. The Z-value corresponds to depth, the third dimension. The importance of the Z-buffer is rather simple. It keeps track of not only where everything is in a 3D environment, but also gives a 3D card the luxury of not having to render textures that are not visible anyway (such as those behind the character). (see culling) First Page