Every frame you get screen caputre of the stage.
* Generate new frame image with using last frames screen capture.
* This is a starting point of recursive generative art.
/**
* Copyright k3lab ( http://wonderfl.net/user/k3lab )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/7soH
*/
// forked from k3lab's Black hole
// forked from checkmate's fladdict challenge for amateurs
/**
* Every frame you get screen caputre of the stage.
* Generate new frame image with using last frames screen capture.
* This is a starting point of recursive generative art.
*/
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BlendMode;
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.utils.getTimer;
public class Beginner extends Sprite {
/**
* Overwrite this update function.
* Every frame the function is invoked with two bitmaps.
* First one contains reference to the stage bitmap.
* Second one contains static copy of stage.
*/
public var canvas:BitmapData;
public var drawHere:BitmapData;
public var mat:Matrix;
public function update():void{
drawStep();
transformStep();
renderStep();
fadeStep();
}
public function drawStep():void {
//drawHere.setPixel(stage.mouseX, stage.mouseY, 0x11111111);
drawHere.setPixel( Math.random()*480, Math.random()*480, 0xffffffff);
}
public function transformStep():void
{
var a:Number = getTimer() / 1000
var b:Number = Math.sin(getTimer()/300)
var r:Number=Math.sin(3600)-2*a
mat = new Matrix();
mat.translate(-240-b*b,-240);
mat.scale(1.055*Math.sin(2),1.055*Math.cos(r));
mat.rotate(r*11+b);
mat.translate(240-b*b,240);
}
public function renderStep():void{
canvas.draw(drawHere, mat, null,BlendMode.SCREEN);
}
public function fadeStep():void
{
var a:Number = getTimer() / 1000
var r:Number = Math.sin(3600) - 2.3 *a
canvas.pixelDissolve(drawHere, drawHere.rect, new Point(0, 0), Math.abs(10 * a), Math.abs(10 * r), 5)
canvas.colorTransform(drawHere.rect, new ColorTransform(Math.random()*0.4-0.6,Math.random()*0.4+0.6,Math.random()*0.4+0.6,1,r,0,0,0));
}
/**
* ---------------------------------------
* DO NOT CHANGE FOLLOWING CODES
* DO NOT ACCESS FOLLOWING PROPERTIES DIRECTLY
* ---------------------------------------
*/
private var bitmap:Bitmap;
public function Beginner() {
canvas = new BitmapData(480,480,false,0x000000);
bitmap = new Bitmap(canvas);
addChild(bitmap);
addEventListener(Event.ENTER_FRAME, _update);
}
public function _update(e:Event):void{
if(drawHere)
drawHere.dispose();
drawHere = canvas.clone();
update();
}
}
}