forked from: How to use CannonML ?

/**
 * Copyright ohisama ( http://wonderfl.net/user/ohisama )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/yV6T
 */

// forked from keim_at_Si's How to use CannonML ?
package 
{
    import flash.events.*;
    import flash.display.*;
    import org.si.cml.*;
    public class CMLObjectSample extends Sprite 
    {
        public var stageCML : String = "py-160[px$??*100n{{[rw]}vy$?*10+2i40v~bm$i?(5)+2,45f5vd-10}w30]";
        function CMLObjectSample()
        {
            addEventListener(Event.ADDED_TO_STAGE, _setup);
        }
        private function _setup(e : Event) : void
        {
            removeEventListener(Event.ADDED_TO_STAGE, _setup);
            field = new Sprite();
            field.x = 120;
            field.y = 160;
            field.graphics.lineStyle(1, 0);
            field.graphics.drawRect(-120, -160, 240, 320);
            addChild(field);
            CMLObject.initialize(true);
            var stageSequence : CMLSequence = new CMLSequence(stageCML);
            var stageCannon:Cannon = new Cannon(0);
            stageCannon.create(0, -160);
            var stageFiber : CMLFiber = stageCannon.execute(stageSequence);
            addEventListener(Event.ENTER_FRAME, _draw);
        }
        private function _draw(e : Event) : void
        {
            CMLObject.update();
        }
    }
}
import flash.display.*;
import org.si.cml.*;
var field:Sprite;
class Cannon extends CMLObject 
{
    function Cannon(radius : Number) 
    {
        createNewCannonShape(radius);
    }
    override public function onCreate() : void
    {
        field.addChild(cannonShape);
        cannonShape.x = this.x;
        cannonShape.y = this.y;
        cannonShape.rotation = this.angle;
    }
    override public function onDestroy() : void
    {
        if (this.destructionStatus == 1) 
        {
            createExplosion();
        }
        field.removeChild(cannonShape);
    }
    override public function onUpdate() : void
    {
        cannonShape.x = this.x;
        cannonShape.y = this.y;
        cannonShape.rotation = this.angle;
        if (this.x < -140 || this.x > 140 || this.y < -180 || this.y > 180) this.destroy(0);
    }
    override public function onNewObject(args : Array) : CMLObject
    {
        return new Cannon(8);
    }
    override public function onFireObject(args : Array) : CMLObject
    {
        return new Cannon(4);
    }
    private var cannonShape : Shape;
    private function createNewCannonShape(radius : Number) : void
    {
        var graphics:Graphics;
        cannonShape = new Shape();
        graphics = cannonShape.graphics;
        if (radius > 0) 
        {
            graphics.lineStyle(2, 0x404080);
            if (radius > 6) 
            {
                graphics.moveTo(0, 0);
                graphics.lineTo(radius+4, 0);
            }
            graphics.beginFill(0xc0c0f0);
            graphics.drawCircle(0, 0, radius);
            graphics.endFill();
        }
    }
    private function createExplosion() : void
    {
    }
}