摘要: FollowUpBullet(x1,y1,x2,y2,speed){ var deltax = x1 - x2 var deltay =y1 - y2 if (deltax == 0 ) { if( y1 >= y2 ){ deltax = 0... 阅读全文
posted @ 2019-04-26 10:29 小伙子学编程 阅读(573) 评论(0) 推荐(0) 编辑