as3打造可随意拖动的四边形_Flash教程-查字典教程网

as3打造可随意拖动的四边形

发布时间：2015-05-12 来源：查字典编辑

摘要：Main：package{importas3.Mc;importflash.display.Sprite;importflash.event...

Main：

package {
import as3.Mc;
import flash.display.Sprite;
import flash.events.Event;
/**
  * ...
  * @author ...
  */
public class Main extends Sprite {
  private var line:Sprite;
  private var mcs:Array=[];
  public function Main():void {
   line = new Sprite();
   addChild(line);
   init();
  }
  private function init() {
   for (var i:uint = 0; i<4; i++) {
    var mc = new Mc();
    mc.x=20*Math.random()+20*i;
    mc.y=20*Math.random()+20*i;
    addChild(mc);
    mcs.push(mc);

   }
   addEventListener(Event.ENTER_FRAME, f);
  }
  private function f(e:Event) {
   line.graphics.clear();
   line.graphics.lineStyle(1);
   line.graphics.moveTo(mcs[0].x, mcs[0].y);
   for (var i:uint =1; i <4; i++) {
    line.graphics.lineTo(mcs[i].x,mcs[i].y);
   }
   line.graphics.lineTo(mcs[0].x,mcs[0].y);
  }
}
}