forked from: Gradient

/**
 * Copyright yangliu9812 ( http://wonderfl.net/user/yangliu9812 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/u4VS
 */

// forked from WLAD's Gradient
package {
    import flash.display.Sprite;
    
    import flash.display.GradientType;
    import flash.display.SpreadMethod;
    
    import flash.geom.Matrix;
    
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            
            stage.addEventListener('mouseDown', function( e:* = null ):void
            {
                method = method == SpreadMethod.REFLECT ? SpreadMethod.PAD : SpreadMethod.REFLECT;
            });
            
            s = new Sprite();
            addChild( s );
            
            stage.addEventListener('enterFrame', draw );
            draw();
        }
        
        private var s:Sprite;
        private var t:Number = 0;
        private var method:String = SpreadMethod.REFLECT;
        
        private function draw( e:* = null ):void 
        {
            t+=0.05; if( t > 1 ) t = 0;
            
            
            var w:int = 465;
            var h:int = 465;
            
            
        var colors:Array = [0xFF00FF, 0xFF0000];
        var alphas:Array = [0,1];
        var ratios:Array = [20 + 155 * t,80 + int((255-80)*t)];
        
        var mat:Matrix = new Matrix();
        mat.createGradientBox( w/2, h/2, 0, -w / 4, -h / 4 );
            
        s.graphics.clear();
        s.graphics.beginGradientFill( GradientType.RADIAL, colors, alphas, ratios, mat, method  );
        s.graphics.drawRect(-w/2, -h/2, w, h );
        s.graphics.endFill();
            
            s.x = w/2;
            s.y = h/2;
            s.rotation += 5;
        }
    }
}