Reutilizar Objetos - SAMPLE

by ne_ 29 Feb 2012

Embed

/**
 * Copyright ne_ ( http://wonderfl.net/user/ne_ )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/5Lsd
 */

package {
    import flash.text.TextField;
    import flash.events.TimerEvent;
    import flash.utils.Timer;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        
        //misseis on game
        private var gMissel:Vector.<Missel> = new Vector.<Missel>();;
        //misseis "dead"
        private var dMissel:Vector.<Missel> = new Vector.<Missel>();
        // timer 
        private var timer:Timer = new Timer(33);
        // contador de objetos
        private var t:TextField = new TextField();
        
        public function FlashTest() {
            timer.addEventListener(TimerEvent.TIMER, animate);
            timer.start();
            
            stage.addChild(t);
            t.autoSize = "left";
            t.border = true;
            t.mouseEnabled = false;
            t.multiline = true;
        }
        
        private function animate(e:TimerEvent):void{
            var m:Missel = addMissel();
            m.x = mouseX;
            m.y = mouseY;
            gMissel.push(m);
            addChild(m);
            for each(m in gMissel){
                m.y -= 5;
                if(m.y < 0){
                    killMissel(m);
                }
            }
            m = null;
            var gm:int = gMissel.length;
            var dm:int = dMissel.length;
            
            t.text = "game Missel = "+gm+"\ndeath Missel = "+dm+"\nTotal = "+ (gm + dm);
            gm = dm = null;
        }
        private function addMissel ():Missel{
            if(dMissel.length) return dMissel.pop();
            return new Missel();
        }

        private function killMissel (m:Missel):void{
            removeChild(m);
            // remover listeners e resetar vars e etc aqui...
            m.reset();
            gMissel.splice(gMissel.indexOf(m),1);
            dMissel.push(m);
        }
    }
}
import flash.display.Graphics;
import flash.display.Shape;

internal class Missel extends Shape{
    public function Missel(){
        reset();
    }
    
    public function reset():void{
        var f:Function = graphics.lineTo;
        graphics.beginFill(uint(Math.random()*0xFFFFFF));
        graphics.moveTo(0,-15);
        f(5,0);
        f(-5,0);
        f(0,-15);
        graphics.endFill();
        f = null;
    }
}