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    <title>Z-buffer</title>
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Z-buffer
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A poro de memria de vdeo que mantm registros de quais elementos da tela podem ser visualizados e quais ficam ocultos atrs de outros objetos. No caso de uma imagem 3D, ele registra que elementos so ocultos pelo primeiro plano em relao  perspectiva do usurio, ou por outro objeto 3D.
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