Y YongSoft Unregistered / Unconfirmed GUEST, unregistred user! 2003-04-01 #1 急!已知三点坐标(p1,p2,P3 都为Tpoint),画一弧线?另:判断一点是否在弧线上?谢
A arnew Unregistered / Unconfirmed GUEST, unregistred user! 2003-04-01 #2 用三个点来画弧线可以后很多种画法,还是要有个规则的,你用什么规则?