BlockShadow
/**
* Copyright sputnikenmeister ( http://wonderfl.net/user/sputnikenmeister )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/2WUj
*/
//
package {
import flash.display.Sprite;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.geom.Matrix;
import flash.geom.ColorTransform;
import flash.display.BlendMode;
import flash.geom.Point;
import flash.display.BitmapDataChannel;
import flash.filters.DisplacementMapFilter;
import flash.filters.BlurFilter;
import flash.events.Event;
import flash.events.MouseEvent;
[SWF(width=465,height=465,backgroundColor='#FFFFFF',frameRate=10)]
public class BitmapDataSample8 extends Sprite {
private var bmpdata:BitmapData;
private var sprite:Sprite;
private var matrix:Matrix;
private var colortrans:ColorTransform;
private var filter:DisplacementMapFilter;
private const ZERO_P:Point = new Point(0, 0);
private const BLUR:BlurFilter = new BlurFilter(2,2,1);
private const BG_COLOR:uint = 0xFFFFFF;
private const OVERLAY1_COLOR:uint = 0xFFFFFF;
private const OVERLAY2_COLOR:uint = 0x80ff00;
private const OVERLAY3_COLOR:uint = 0x000000;
private const OVERLAY_COLOR:uint = OVERLAY1_COLOR;
public function BitmapDataSample8() {
bmpdata = new BitmapData( 465, 465, false, BG_COLOR );
addChild( new Bitmap(bmpdata) );
sprite = newFig( 0, 0, 80, OVERLAY_COLOR );
matrix = new Matrix();
colortrans = new ColorTransform();
var mapBitmap:BitmapData = new BitmapData( 465, 465, false, BG_COLOR );
var mapPoint:Point = mapBitmap.rect.topLeft;
var componentX:uint = BitmapDataChannel.RED;
var componentY:uint = BitmapDataChannel.GREEN;
var scaleX:Number = 0x80;
var scaleY:Number = 0x80;
var r:uint = 128 - 1;
var g:uint = 128 - 1;
var b:uint = 0x00;
var col:uint = r << 16 | g << 8 | b;
mapBitmap.fillRect( mapBitmap.rect, col );
filter = new DisplacementMapFilter( mapBitmap, mapPoint, componentX, componentY, scaleX, scaleY );
addEventListener( Event.ENTER_FRAME, enterframe );
stage.addEventListener( MouseEvent.CLICK, reset );
}
private function enterframe(e:Event):void {
bmpdata.applyFilter( bmpdata, bmpdata.rect, bmpdata.rect.topLeft, filter );
matrix.identity();
var tx:Number = 200, ty:Number = 200;
matrix.translate( tx, ty );
//colortrans.redMultiplier = 1.5;
colortrans.redOffset = 0xFF;
//colortrans.greenMultiplier = 1;
colortrans.greenOffset = 0xFF;
//colortrans.blueMultiplier = 0.5;
colortrans.blueOffset = 0xFF;
colortrans.alphaMultiplier = 0.5;
//colortrans.alphaOffset = -0x80;
bmpdata.draw( sprite, matrix, colortrans, BlendMode.SUBTRACT);
bmpdata.applyFilter(bmpdata, bmpdata.rect, ZERO_P, BLUR);
}
private function reset(e:MouseEvent):void {
bmpdata.fillRect( bmpdata.rect, BG_COLOR );
}
private function newFig( cx:Number, cy:Number, size:Number, col:uint ):Sprite {
var shape:Sprite = new Sprite();
shape.graphics.beginFill( col );
shape.graphics.drawRect( cx, cy, size, size );
shape.graphics.endFill();
return shape;
}
}
}