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THREE-DIMENSIONAL GRAPHICS CLIPPING METHOD, THREE-DIMENSIONAL GRAPHICS DISPLAYING METHOD, AND GRAPHICS PROCESSING APPARATUS USING THE SAME
THREE-DIMENSIONAL GRAPHICS CLIPPING METHOD, THREE-DIMENSIONAL GRAPHICS DISPLAYING METHOD, AND GRAPHICS PROCESSING APPARATUS USING THE SAME
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机译:三维图形裁剪方法,三维图形显示方法以及使用该图形处理程序的图形处理设备
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摘要
A three-dimensional (3D) graphics clipping method, a 3D graphics displaying method, and a 3D graphics processing apparatus using the same are provided. The 3D graphics clipping method includes following steps. A plurality of vertexes of a triangle is obtained, wherein a 3D object is constructed by using a plane of the triangle. Whether a view point is located between a first near clipping plane and a far clipping plane is determined. A second near clipping plane is set according to the determination result, and a view field is set between the second near clipping plane and the far clipping plane. A near clipping procedure is executed on the triangle according to the second near clipping plane. In the 3D graphics clipping method, a correct view field is determined in advance so that a graphics processing procedure is efficiently sped up and the accuracy of the near clipping procedure is increased.
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