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 tocy ( http://wonderfl.net/user/tocy )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/ggqv
*/
// 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;
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 {
for ( var n:int=0; n<5; n++ ) {
var xx:Number = Math.random()*480;
var yy:Number = Math.random()*480;
for ( var i:int=-3; i<4; i++ ) {
for ( var j:int=-3; j<4; j++ ) {
drawHere.setPixel(
//stage.mouseX+i,stage.mouseY+j,
xx+i,yy+j,
0xFFFFFFFF-0x07000000*j);
}
}
}
/*
drawHere.setPixel(
Math.random()*480,
Math.random()*480,
0xffffffff);
*/
}
public function transformStep():void
{
mat = new Matrix();
mat.translate(-stage.mouseX,-stage.mouseY);
//mat.scale(1.500,1.005);
mat.scale(0.98,0.98);
mat.rotate(0.05);
mat.translate(stage.mouseX,stage.mouseY);
}
public function renderStep():void{
canvas.draw(drawHere, mat, null,BlendMode.SCREEN);
}
public function fadeStep():void
{
/*
canvas.colorTransform(drawHere.rect,
new ColorTransform(
Math.random()*0.4+0.6,
Math.random()*0.4+0.6,
Math.random()*0.4+0.6,
1,0,0,0,0));
*/
canvas.colorTransform(drawHere.rect,
new ColorTransform(
0.97,
0.80,
0.80,
0.58,
0,0,0,0));
}
/**
* ---------------------------------------
* 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();
}
}
}