摘要：These days texture mapping hardware is really cheap, so we use texture maps a lot. One of the more interesting aspects of texture mapping is the space that texture coordinates live in. Most of us like to think of texture space as a simple 2D affine plane. In most cases this is perfectly acceptable.. 阅读全文

摘要：(quote from "Mathematics for3D Game Programmingand Computer GraphicsThird Edition") As the figure above showing,correct interpolation across the face of a triangle isnot linear since equally spaced steps taken on the projection plane correspond tolarger steps taken on the face of a triangl 阅读全文