forked from: SliceEffect

//////////////////////////////////////////////////////////////////////////////
外部画像を1pxの列ごとに表示
//////////////////////////////////////////////////////////////////////////////

by FlashDev_es 18 Jul 2010

• Forked from twistcube's SliceEffect
• Diff: 98
• Related works: 3

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bitmapdata text transition
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// forked from twistcube's SliceEffect
////////////////////////////////////////////////////////////////////////////////
//
//  外部画像を1pxの列ごとに表示
//
////////////////////////////////////////////////////////////////////////////////
package
{
    import flash.display.* ;
    import flash.events.* ;
    import flash.net.* ;
    import flash.system.* ;
    import caurina.transitions.Tweener ;
    
    [SWF(width="500", height="500", backgroundColor="0xFFFFFF", frameRate="30")]
    public class SliceEffect extends Sprite
    {
        private var _loader:Loader ;
        private var _loaderInfo:LoaderInfo ;
        
        public function SliceEffect( )
        {
            init( ) ;
        }
        
        private function init( ):void
        {
            stage.scaleMode = StageScaleMode.NO_SCALE ;
            stage.align = StageAlign.TOP_LEFT ;
            
            Security.loadPolicyFile( "http://www.twist-cube.com/wonderfl/crossdomain.xml" ) ;
            
            var loaderContext:LoaderContext = new LoaderContext( ) ;
            loaderContext.checkPolicyFile = true ;
            
            _loader = new Loader( ) ;
            _loader.load( new URLRequest( "http://www.twist-cube.com/wonderfl/logo.png" ), loaderContext ) ;
            
            _loaderInfo = _loader.contentLoaderInfo ;
            _loaderInfo.addEventListener( Event.COMPLETE, onLoadComplete ) ;
        }
        
        private function onLoadComplete( event:Event ):void
        {
            _loaderInfo.removeEventListener( Event.COMPLETE, onLoadComplete ) ;
            var bitmapList:SliceBitmap = new SliceBitmap( _loader ) ;
            
            var nStartX:Number = Math.floor( ( stage.stageWidth - _loader.width ) / 2 ) ;
            var nStartY:Number = Math.floor( ( stage.stageHeight - _loader.height ) / 2 ) ;
            
            var nLength:uint = bitmapList.list.length ;
            var bmp:Bitmap ;
            for ( var i:uint = 0; i < nLength; i++ )
            {
                bmp = bitmapList.list[ i ] ;
                bmp.alpha = 0 ;
                bmp.x = nStartX + 1000 * Math.random( ) - 500 ;
                bmp.y = nStartY + i + 1000 * Math.random( ) - 500 ;
                addChild( bmp ) ;
                
                Tweener.addTween(
                    bmp, 
                    {
                        alpha : 1,
                        x     : nStartX,
                        y     : nStartY + i,
                        time  : 1.5,
                        delay : 0.005 * i,
                        transition : "easeOutElastic"
                    }
                ) ;
            }
        }
    }
}


import flash.display.* ;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
import flash.geom.Rectangle;

class SliceBitmap
{
    private var _originImage:DisplayObject ;
    private var _list:Array = new Array( ) ;
    
    public function SliceBitmap( _originImage:DisplayObject )
    {
        this._originImage = _originImage ;
        init( ) ;
    }
    
    private function init( ):void
    {
        var mtx:Matrix = new Matrix( ) ;
        var clip:Rectangle = new Rectangle( 0, 0, _originImage.width, 1 ) ;
        
        var nLength:uint = _originImage.height ;
        for ( var i:uint = 0; i < nLength; i++ )
        {
            var bmpData:BitmapData = new BitmapData( _originImage.width, 1, true, 0x00FFFFFF ) ;
            bmpData.draw( _originImage, mtx, new ColorTransform(), null, clip, false ) ; 
            
            var bmp:Bitmap = new Bitmap( bmpData ) ;
            _list.push( bmp ) ;
            
            mtx.translate( 0, -1 ) ;
        }
    }
    
    public function get list( ):Array
    {
        return _list ;
    }
}