flash on 2010-1-28
/**
* Copyright yama3 ( http://wonderfl.net/user/yama3 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/yJEv
*/
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.events.Event;
import flash.events.MouseEvent;
[SWF(width=465,height=465,backgroundColor=0,frameRate=30)]
public class FlashTest extends Sprite {
private var bmpdata:BitmapData;
private var sprite:Sprite;
private var matrix:Matrix;
private var colortrans:ColorTransform;
private var filter:DisplacementMapFilter;
public function FlashTest() {
// write as3 code here..
bmpdata = new BitmapData(465,465,false,0);
addChild(new Bitmap(bmpdata));
sprite = newFig(0,0,40,0xffffff);
matrix = new Matrix();
colortrans = new ColorTransform();
var mapBitmap:BitmapData = new BitmapData(465,465,false,0);
var mapPoint:Point = mapBitmap.rect.topLeft;
var componentX:uint = BitmapDataChannel.RED;
var componentY:uint = BitmapDataChannel.GREEN;
var scaleX:Number = 8;
var scaleY:Number = 8;
mapBitmap.perlinNoise(240,240,2,0,false,false);
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 s:Number = Math.random()*2;
matrix.scale(s,s);
matrix.rotate(Math.PI*Math.random());
matrix.translate(mouseX,mouseY);
colortrans.greenMultiplier = mouseX/465;
colortrans.blueMultiplier = mouseY/465;
colortrans.alphaMultiplier = Math.random();
bmpdata.draw(sprite,matrix,colortrans,BlendMode.ADD);
}
private function reset(e:MouseEvent):void {
bmpdata.fillRect(bmpdata.rect,0xFF000000);
}
private function newFig(cx:Number,cy:Number,size:Number,col:uint):Sprite {
var shape:Sprite = new Sprite();
shape.graphics.lineStyle(0,0x000000,0.3);
shape.graphics.beginFill(col);
shape.graphics.drawCircle(cx,cy,size*0.5);
shape.graphics.drawCircle(cx,cy,size*0.4);
var w:Number = size*0.6;
var h:Number = size*0.15;
shape.graphics.drawRect(cx-w/2,cy-h/2,w,h);
shape.graphics.endFill();
return shape;
}
}
}