Mydy - Flor Solar

by vlad.el.rojo 31 Aug 2011

• Forked from bradsedito's forked from: sun flower
• Diff: 7
• Related works: 2
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/**
 * Copyright vlad.el.rojo ( http://wonderfl.net/user/vlad.el.rojo )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/4iAf
 */

// mYDY - Flor Solar - Vladimir Israel Ramírez Díaz VLD
package {

    import flash.display.Bitmap;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.ColorTransform;
    import frocessing.core.F5BitmapData2D;
    
  
    [SWF(width=465,height=465,backgroundColor=0,frameRate=30)]
    public class Main extends Sprite
    {
        private var canvas : F5BitmapData2D;
        private var bmp : Bitmap;
        private var items : Vector.<Shot> = new Vector.<Shot>;
        private var colorTrans : ColorTransform = new ColorTransform(0.99, 0.9, 0.9, 0.9);
        private var freep : int = -1;
        private const itemlimit : int = 5000;
        
        
        public function Main() : void
        {
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }
        
        private function init(e:Event=null):void 
        {
            removeEventListener(Event.ADDED_TO_STAGE, init);
            addEventListener(Event.ENTER_FRAME, enterFrame);
            
            canvas = new F5BitmapData2D(465,465,false,0);
            bmp = new Bitmap(canvas.bitmapData);
            addChild(bmp);
        }
        
        private function newItem(x : Number, y : Number ,dx : Number, dy : Number) : Shot
        {
            var cnt : int = items.length;
            if (((itemlimit > 0) && cnt >= itemlimit) && (freep >= cnt-1)) return null;
            
            freep++;

            if (freep == cnt) {
                items[cnt] = new Shot();
            }
            items[freep].index = freep;
            items[freep].visible = true;
            items[freep].x = x;
            items[freep].y = y;
            items[freep].dx = dx;
            items[freep].dy = dy;
            items[freep].tx = x + dx * 32;
            items[freep].ty = y + dy * 32;
            items[freep].r = 4;
            items[freep].cc = 1.0;
            
            return items[freep];
        }
        private function remove(index : int) : void
        {
            var cnt : int = items.length;
            var temp : Shot = items[index];
            var lastp : int = freep;

            temp.visible = false;
            if (lastp != index) {
                items[index] = items[lastp];
                items[index].index = index;
                items[lastp] = temp;
            }
            freep = lastp - 1;
            
        }
        
        private var rad : Number = 0;
        private function enterFrame(e:Event):void 
        {
            var i : int, s : Shot, ccoef : Number;
            
            var dx : Number = Math.cos(rad), dy : Number = Math.sin(rad);
            newItem(stage.stageWidth/2, stage.stageHeight/2, dx, dy);
            
            canvas.bitmapData.colorTransform(canvas.bitmapData.rect, colorTrans);
            canvas.beginDraw();
            for ( i = freep; i >= 0; i--) {
                s = items[i];
                s.tx += s.dx/3;
                s.ty += s.dy/3;
                s.x += (s.tx - s.x) / 10;
                s.y += (s.ty - s.y) / 10;
                s.r += 0.008;
                ccoef = s.cc;
                s.cc *= 0.9999;
                canvas.stroke(0xcf*ccoef, 0xcf*ccoef, 0x00*ccoef, 0xcf*ccoef);
                canvas.circle(s.x+0.5, s.y+0.5, s.r+0.5);
                canvas.stroke(0xdf*ccoef, 0xff*ccoef, 0xff*ccoef, 0xff*ccoef);
                canvas.circle(s.x, s.y, s.r);
                
                
                if ((s.x < -s.r) || (s.x > stage.stageWidth + s.r) || (s.y < -s.r) || (s.y > stage.stageHeight + s.r)) {
                    remove(i);
                }
            }
            canvas.endDraw();
            
            rad += 137.5*Math.PI/180;
        }
    }
}

class Shot
{
    public var x : Number;
    public var y : Number;
    public var dx : Number;
    public var dy : Number;
    public var tx : Number;
    public var ty : Number;
    public var r : Number;
    public var cc : Number;
    public var index : int;
    public var visible : Boolean = false;
}