摘要: X y 点 逆时针旋转b角到c d 如下 c= xcos(β)-ysin(β) d= ycos(β)+xsin(β) 顺时针也即坐标轴逆时针 s = os = oa + as = x cos(theta) + y sin(theta) t = ot = ay – ab = y cos(theta) 阅读全文
posted @ 2017-12-19 15:06 Anlovescode 阅读(1085) 评论(0) 推荐(0) 编辑