forked from: float cross

2009.09.29 effect追加

by geta 29 Sep 2009

• Forked from iong's float cross
• Diff: 78
• Related works: 1
Embed

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

// forked from iong's float cross
package
{
    /* 2009.09.29 effect追加 */

	import flash.display.Sprite;

	[SWF(width="465", height="465", backgroundColor="0x003366", frameRate="30")]

	public class Rad extends Sprite
	{
		import flash.display.Bitmap;
		import flash.display.BitmapData;

		import flash.events.Event;
		import flash.display.BlendMode;
		import flash.geom.Point;
		import flash.filters.BlurFilter;
		import flash.display.StageQuality;
		import flash.display.StageAlign;
		import flash.display.StageScaleMode;

		var Sp:Sprite;
		var SpR:Sprite;
		var cv:BitmapData;

		var iP1:uint  = 2;
		var iP2:uint  = 1;

		public function Rad():void
		{
			stage.quality   = StageQuality.LOW;
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align     = StageAlign.TOP_LEFT;

			cv  = new BitmapData(465, 465, true, 0x000000);
			addChild(new Bitmap(cv));

			SpR  = new Sprite();
			addChild(SpR);

			addEventListener(Event.ENTER_FRAME, makeAll);
		}

		private function makeAll(e:Event):void
		{
			Sp        = new SPPiece(iP1, iP2);
			Sp.scaleX = Math.round(Math.random()*1400)/100;
			Sp.scaleY = Sp.scaleX;
			Sp.alpha  = 0.5;
			//Sp.rotation = Math.round(Math.random()*360);
			Sp.x      = Math.round(Math.random()*465);
			Sp.y      = stage.stageHeight + 50;
			SpR.addChild(Sp);
			Sp.addEventListener(Event.ENTER_FRAME, movePiece);

            cv.draw(SpR, null, null, BlendMode.OVERLAY);
            cv.applyFilter(cv, cv.rect, new Point(), new BlurFilter(16,16));
		}
		private function movePiece(e:Event):void
		{
			e.target.rotation+=5;
			e.target.x += 2 * Math.cos(Math.PI/180*e.target.rotation) + (mouseX-stage.stageWidth/2)/30;
			e.target.y -= 2 + e.target.scaleX/2;
			if(e.target.x>=stage.stageWidth+e.target.width) e.target.x -= stage.stageWidth + 100;
			if(e.target.x<=0-e.target.width)                e.target.x += stage.stageWidth + 100;
			if(e.target.y<=-(e.target.height)){
				e.target.removeEventListener(Event.ENTER_FRAME, movePiece);
				SpR.removeChild(Sprite(e.target));
			}
		}
	}
}

import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;

class SPPiece extends Sprite
{
	public function SPPiece(n1:uint, n2:uint):void
	{
		var tBD:BitmapData = new BitmapData(n1*2, n1*2, true, 0);
		var tSP:Sprite     = new Sprite();
		tSP.addChild(new Bitmap(tBD));

		var iC:int = retC(100);
		for(var i:int=0; i<n1*2; i++){
			for(var k:int=0; k<n1*2; k++){
				if( (i<n2 && k<n2) || (i<n2 && k>=n1*2-n2) || (i>=n1*2-n2 && k<n2) || (i>=n1*2-n2 && k>=n1*2-n2)){
//tBD.setPixel(i, k, 0x000000);
				}else tBD.setPixel32(i, k, iC);
			}
		}
		tSP.x-=n1;
		tSP.y-=n1;
		addChild(tSP);
	}
	// ランダムカラーをreturn
    private function retC(n:uint):int
    {
        var ofR:int = n+Math.round(Math.random()*(255-n));
        var ofG:int = n+Math.round(Math.random()*(255-n));
        var ofB:int = n+Math.round(Math.random()*(255-n));
        return parseInt("0xff"+ ofR.toString(16)+ ofG.toString(16) + ofB.toString(16));
    }
}