图形学 学习之二维变换
图形学 学习之二维变换1. pre：引入齐次坐标的目的：简单的说就是为了使图形几何变换表达为图形顶点集合矩阵与某一矩阵相乘的问题，引入规范化齐次坐标（例如在2维世界中用3*3的矩阵表示顶点位置）
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变换矩阵：
!(data/attachment/forum/202411/21/201621hvfmn8hnfnznamah.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")
!(data/attachment/forum/202411/21/201642ezwvg63mpcvo3rps.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")
!(data/attachment/forum/202411/21/201654j3y476v9vqyvvym6.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")
!(data/attachment/forum/202411/21/201704cyp7nn4bp33n3n52.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")
!(data/attachment/forum/202411/21/201713cze3becx5cblgx8q.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")
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