这是自己开发的一款关于bezier曲线的程序。首先画几个点，程序根据这几个点生成一条bezier曲线，移动某点，曲线随之变形。-this program is about bezier curve written by myself.firstly,drawing some points,this program will generaty a bezier curve throuth these points.moving one point,the curve moving followin