dynamic class Pejie extends MovieClip{
　　var p1; //端点１
　　var p2; //端点２
　　var pc; //制御点
　　var line;
　　function onLoad(){
　　　p1 = this.attachMovie("point","p1",100,{});
　　　pc = this.attachMovie("point","pc",101,{});
　　　p2 = this.attachMovie("point","p2",102,{});
　　　line = createEmptyMovieClip("line",103);
　　}
　　function onEnterFrame(){
　　　line.clear();
　　　line.lineStyle(1, 0x000000, 100);
　　　line.moveTo( p1._x, p1._y );
　　　line.curveTo( pc._x, pc._y, p2._x, p2._y );
　　}
　}