forked from: forked from: Pixel Bender Displacement Map Fakes 3D Effect + Depth Of Field
/**
* Copyright Takayuki.Yamazaki ( http://wonderfl.net/user/Takayuki.Yamazaki )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/k657
*/
// forked from jwv's forked from: Pixel Bender Displacement Map Fakes 3D Effect + Depth Of Field
// forked from jozefchutka's Pixel Bender Displacement Map Fakes 3D Effect + Depth Of Field
package
{
// read more and download pbk file here:
// http://blog.yoz.sk/2010/05/pixel-bender-displacement-map-fakes-3d-effect
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
import flash.display.Shader;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.BitmapFilterQuality;
import flash.filters.BlurFilter;
import flash.filters.ShaderFilter;
import flash.geom.Point;
import flash.net.URLLoader;
import flash.net.URLLoaderDataFormat;
import flash.net.URLRequest;
import flash.system.LoaderContext;
import flash.utils.ByteArray;
[SWF(width="465", height="465", frameRate="30", backgroundColor="#FFFFFF")]
public class PBDisplacement extends Sprite
{
private var sourcePath:String = "http://www.mmstudio.com.pt/labs/examples/pixelBenderDisplacement/";
private var index:int = -1;
private var sources:Array = [
{image:"PB.jpg", map:"MapaPB.jpg"},
]
private var shaderLoader:URLLoader = new URLLoader();
private var shaderURL:String = "http://www.mmstudio.com.pt/labs/examples/pixelBenderDisplacement/displacementMapFader.pbj";
private var shader:Shader;
private var filter:ShaderFilter;
private var imageLoader:Loader = new Loader();
private var imageLegend:Bitmap = new Bitmap();
private var mapLoader:Loader = new Loader();
private var mapLegend:Bitmap = new Bitmap();
private var imageContainer:Sprite = new Sprite();
private var shape:Sprite = new Sprite();
public function PBDisplacement():void
{
imageContainer.x = stage.stageWidth / 2;
imageContainer.y = stage.stageHeight / 2;
addChild(imageContainer);
shape.graphics.beginFill(0, 0);
shape.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
shape.graphics.endFill();
addChild(shape);
shaderLoader.dataFormat = URLLoaderDataFormat.BINARY;
shaderLoader.load(new URLRequest(shaderURL));
shaderLoader.addEventListener(Event.COMPLETE, shaderComplete);
addEventListener(Event.ENTER_FRAME, enterFrame);
addEventListener(MouseEvent.CLICK, changeSource);
changeSource();
}
private function changeSource(... rest):void
{
index = index + 1 >= sources.length ? 0 : index + 1;
var source:Object = sources[index];
var type:String = Event.COMPLETE;
var context:LoaderContext = new LoaderContext(true);
if(imageLoader)
imageLoader.unload();
var imageRequest:URLRequest = new URLRequest(sourcePath + source.image);
imageLoader.load(imageRequest, context);
imageLoader.contentLoaderInfo.addEventListener(type, imageComplete);
imageContainer.addChild(imageLoader);
if(mapLoader)
mapLoader.unload();
var mapRequest:URLRequest = new URLRequest(sourcePath + source.map);
mapLoader.load(mapRequest, context);
mapLoader.contentLoaderInfo.addEventListener(type, mapComplete);
}
private function shaderComplete(event:Event):void
{
var loader:URLLoader = URLLoader(event.currentTarget);
shader = new Shader(loader.data as ByteArray);
filter = new ShaderFilter(shader);
testComplete();
}
private function imageComplete(event:Event):void
{
imageLoader.x = -imageLoader.width / 2;
imageLoader.y = -imageLoader.height / 2;
testComplete();
var image:Bitmap = Bitmap(imageLoader.content)
imageLegend.bitmapData = image.bitmapData.clone();
imageLegend.width = 100;
imageLegend.height = imageLegend.bitmapData.height
* imageLegend.width / imageLegend.bitmapData.width;
addChild(imageLegend);
}
private function mapComplete(event:Event):void
{
testComplete();
var map:Bitmap = Bitmap(mapLoader.content)
mapLegend.bitmapData = map.bitmapData.clone();
mapLegend.width = 100;
mapLegend.height = mapLegend.bitmapData.height
* mapLegend.width / mapLegend.bitmapData.width;
mapLegend.x = stage.stageWidth - mapLegend.width;
addChild(mapLegend);
}
private function testComplete():void
{
if(!filter || !imageLoader.content || !mapLoader.content)
return;
var map:BitmapData = Bitmap(mapLoader.content).bitmapData;
var image:BitmapData = Bitmap(imageLoader.content).bitmapData;
var fader:BitmapData = new BitmapData(image.width, image.height, true, 0);
fader.draw(image);
fader.applyFilter(fader, fader.rect, new Point(),
new BlurFilter(5, 5, BitmapFilterQuality.HIGH));
shader.data.map.input = map;
shader.data.fader.input = fader;
shader.data.fadeNear.value = [0];
shader.data.fadeDistant.value = [1];
}
private function enterFrame(event:Event):void
{
if(!filter || !imageLoader.content || !mapLoader.content)
return;
var dx:Number = (stage.stageWidth / 2 - mouseX);
var dy:Number = (stage.stageHeight / 2 - mouseY);
imageContainer.rotationX -= (imageContainer.rotationX + dy / 15) / 10;
imageContainer.rotationY -= (imageContainer.rotationY - dx / 15) / 10;
shader.data.dx.value = [imageContainer.rotationY * 1.5];
shader.data.dy.value = [-imageContainer.rotationX * 1.5];
imageLoader.filters = [filter];
}
}
}