forked from: flash on 2012-6-27

StarryNight
ver. 0.1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
Author:  matt carpenter
http://orangesplotch.com
License: This code is released under the 
Creative Commons Attribution-ShareAlike 2.5 License
http://creativecommons.org/licenses/by-sa/2.5/

Twinkle, twinkle, hundreds of little stars.

import everything you need (and more)

by smck87 28 Jun 2012

Embed

/**
 * Copyright smck87 ( http://wonderfl.net/user/smck87 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/t0e3
 */

// forked from dwoldo's flash on 2012-6-27
/*

StarryNight
ver. 0.1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 Author:  matt carpenter
          http://orangesplotch.com
 License: This code is released under the 
          Creative Commons Attribution-ShareAlike 2.5 License
          http://creativecommons.org/licenses/by-sa/2.5/

 Twinkle, twinkle, hundreds of little stars.

*/

package {

// import everything you need (and more)
import flash.display.DisplayObject;
import flash.display.Sprite;
import flash.display.Stage;
import flash.display.StageScaleMode;
import flash.events.*;
import flash.geom.Rectangle;


[SWF(width="800", height="600", frameRate="60", backgroundColor="#11FFFF")]
public class StarryNight extends Sprite
{
private var bg:Sprite;
private var stars:Array;

public function StarryNight()
{
    stage.scaleMode = StageScaleMode.NO_SCALE;

    // set up the background (black)
    bg = new Sprite();
    bg.graphics.beginFill(0);
    bg.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
    addChild(bg);

    // make the stars
    for (var i:Number = 0; i<100; ++i) {
        var star:Sprite = new Sprite();
        star.graphics.beginFill(0xFFFFFF);
        star.graphics.drawCircle(0, 0, ((Math.random() * 1.25) + 14.25));
        star.x = Math.random() * stage.stageWidth;
        star.y = Math.random() * stage.stageHeight;
        star.addEventListener(Event.ENTER_FRAME, Twinkle);
        addChild(star);
    }
}

public function Twinkle(event:Event):void {
    // get the current star to tweak
    var _self:Sprite = Sprite(event.currentTarget);

    // change the alpha and size of the star
    _self.alpha += Math.random() * 0.02 - 0.01;
    _self.scaleX = _self.alpha * 0.5 + 0.5;
    _self.scaleY = _self.alpha * 0.5 + 0.5;

    // do some bounds checking
    if (_self.alpha < 0.5) _self.alpha = 0.5;
    if (_self.alpha > 1)   _self.alpha = 1;
}

} // end StarryNight class

} // end package