forked from: バラ曲線

バラ曲線
@author ffffine

by mapache 20 Nov 2010

• Forked from ffffine's バラ曲線
• Diff: 91
• Related works: 1
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/**
 * Copyright mapache ( http://wonderfl.net/user/mapache )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/6GNC
 */

// forked from ffffine's バラ曲線
package 
{
    import com.bit101.components.HSlider;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.ColorTransform;
    import flash.utils.getTimer;

    [SWF(width = 465, height = 465, backgroundColor = 0x0, frameRate = 30)]    
    
    /**
     * バラ曲線
     * @author ffffine
     */
    public class Main extends Sprite 
    {
        private var _max:uint = 60;
        private var _list:Array = [];
        private var _slider:HSlider;
        private var _bmpdata:BitmapData;
        private var _colorTransform:ColorTransform;
        private var _container:Sprite;
        
        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);
            _slider = new HSlider(this, 120, stage.stageHeight - 20, change);
            _slider.minimum = 3;
            _slider.maximum = 30;
            _slider.value = 11;
            _slider.setSize(stage.stageWidth - 240, 8);
            setUpCirlcle();
            addChildAt(_slider, numChildren-1);
            addEventListener(Event.ENTER_FRAME, change);
        }
        
        private function setUpCirlcle():void
        {
            _container = addChild(new Sprite()) as Sprite;
            for (var i:int = 0; i < _max; i++) 
            {
                var circle:Circle = new Circle();
                _container.addChild(circle);
                _list.push(circle);
            }
            _bmpdata  = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x0);
            var bitmap:Bitmap = new Bitmap(_bmpdata);
            _colorTransform = new ColorTransform(0.99, 0.99, 0.99);
            addChildAt(bitmap, 0);            
            var bg:Shape = new Shape();
            bg.graphics.clear();
            bg.graphics.beginFill(0x0);
            bg.graphics.drawRect(0, 0, 465, 465);
            bg.graphics.endFill();
            addChildAt(bg,0);
        }
        
        private function change(e:Event = null):void
        {
            for (var i:int = 0; i < _max; i++) 
            {
                var rot:Number = i * 180 / _max ;
                _list[i].scaleX = _list[i].scaleY = (Math.sin(getTimer() / 2000) * 1 + 3);
                _list[i].x = (Math.sin(getTimer()/2000)*465/2) * (Math.sin(_slider.value * ((rot + getTimer()/50) * Math.PI / 180))* Math.cos(rot*Math.PI/180)) + stage.stageWidth/2;
                _list[i].y = (Math.sin(getTimer()/2000)*465/2) * (Math.sin(_slider.value * ((rot + getTimer()/50)  * Math.PI / 180))* Math.sin(rot*Math.PI/180)) + stage.stageHeight/2;                
            }
            _bmpdata.draw(_container);
            _bmpdata.colorTransform(_bmpdata.rect,_colorTransform);
        }
        
    }
    
}
import flash.display.Shape;
import frocessing.color.ColorHSV;

class Circle extends Shape {
    public static var num:int = 180;
    
    public function Circle () {
        var colorHSV:ColorHSV = new ColorHSV(num, 0.9, 0.9);
        graphics.clear();
        //graphics.lineStyle(1, colorHSV.value);
        graphics.beginFill(colorHSV.value, 1);
        graphics.drawCircle(0, 0, 2);
        graphics.endFill();
        num += 6;
    }
    
}