摘要： <1>平移矩阵 1点平移(点平移位置会改变) 1*x+0*y+0*z+tx*1 = x+tx 0*x+1*y+0*z+ty*1 = y+ty 0*x+0*y+1*z+tz*1 = z+tz 0*x+0*y+0*z+1*1 = 1 点的4个分量为: (x+tx , y+ty , z+tz , 1) 2 阅读全文