flash on 2010-1-21

/**
 * Copyright nausicaa ( http://wonderfl.net/user/nausicaa )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/20rL
 */

package {
	import flash.display.Sprite;
	import flash.text.TextField;
	import flash.text.TextFieldAutoSize;
	import flash.text.TextFormat;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.geom.Rectangle;
	import flash.geom.Point;
	import caurina.transitions.Tweener;
		
	[swf(width="465",height="465",backgroundColor="0x0")]	
	public class Contraction extends Sprite {
		private var msgString:String;
		private var typoWidth:Number;
		private var typoHeight:Number;
		private var pixelSprite:Array = new Array();
		
		public function Contraction() {
			i:nitMotion=new initMotion("aaa","0x0",18,"_sans");
		}
		// "表示文字列", "フォントカラー", フォントサイズ, "フォントタイプ"
		public function initMotion(msg:String, fontColor:String, fontSize:Number, fontType:String, chrMargin:Number) {
			msgString = msg;
			var typoFmt:TextFormat = new TextFormat();
			typoFmt.color = Number("0x" + fontColor);
			typoFmt.size = fontSize;
			typoFmt.font = fontType;
			var TypoChrTmp:Sprite = new Sprite();
			var MotionTypo = new TextField();
			MotionTypo.autoSize = TextFieldAutoSize.LEFT;
			MotionTypo.text = msg;
			MotionTypo.embedFonts = true;
			MotionTypo.setTextFormat(typoFmt);
			TypoChrTmp.addChild(MotionTypo);
			
			TypoChrTmp.y = 50;
			addChild(TypoChrTmp);
			
			var TypoChr:Sprite = new Sprite();
			var myBitmapData:BitmapData = new BitmapData(TypoChrTmp.width, TypoChrTmp.height, true, 0x00000000);
			myBitmapData.draw(TypoChrTmp);
			var bmp:Bitmap = new Bitmap(myBitmapData);
			TypoChr.addChild(bmp);
			addChild(TypoChr);
			
			TypoChr.y = 80;
			typoWidth = TypoChr.width;
			typoHeight = TypoChr.height;
			trace(typoWidth);
			trace(typoHeight);
			
			for(var i = 0; i < typoWidth; i++) {
				for(var j = 0; j < typoHeight; j++) {
					var myPixelData:BitmapData = new BitmapData(1, 1, true, 0x00000000);
					myPixelData.copyPixels(myBitmapData, new Rectangle(i, j, i + 1, j+ 1), new Point(0, 0));
					if(myPixelData.getPixel32(0, 0) != 0) {
						var PixelTypo:Sprite = new Sprite();
						var PixelBmp:Bitmap = new Bitmap(myPixelData);
						PixelTypo.addChild(PixelBmp);
						addChild(PixelTypo);
						PixelTypo.x = randRange(i - 40, i + 40);
						PixelTypo.y = randRange(j - 40, j + 40);
						PixelTypo.alpha = 0;
						targetX[i] = i;
						targetY[j] = j;
						pixelSprite.push([i, j, PixelTypo]);
					}else {
						myPixelData.dispose();
						targetX[i] = -1;
						targetY[j] = -1;
					}
				}
			}
//TypoChrTmp.removeMovieClip();
//TypoChr.removeMovieClip();
motion(1.5, 1.5);
}
public function motion(motionDelay:Number, motionTime:Number) {
for (var i:String in pixelSprite) {
Tweener.addTween(pixelSprite[i][2], {x:pixelSprite[i][0], y:pixelSprite[i][1], alpha:1, transition:"easeincubic", time:motionTime, delay: randRangeNoFloor(0, motionDelay)});
}
}
private function randRange(min:Number, max:Number):Number {
var randomNum:Number = Math.floor(Math.random() * (max - min + 1)) + min;
return randomNum;
}
private function randRangeNoFloor(min:Number, max:Number):Number {
var randomNum:Number = Math.random() * (max - min + 1) + min;
return randomNum;
}
}
}