摘要: getVectorRadians( x1, y1, x2, y2) { let len_y = y2 - y1; let len_x = x2 - x1; let tan_yx = Math.abs(len_y)/Math.abs(len_x); let angle = 0; if(... 阅读全文
posted @ 2019-08-29 16:29 suneil 阅读(4766) 评论(0) 推荐(1) 编辑