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 zonow ( http://wonderfl.net/user/zonow )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/r90W
*/
/**
* 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.*;
import flash.events.*;
import flash.filters.*
import flash.utils.*;
import flash.geom.*;
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.
*/
private var mainCanvas:MovieClip;
private var canvas:MovieClip;
public var mat:Matrix;
public var drawHere:BitmapData;
private var canvasArray:Array = new Array();
private var xPos:Number;
private var yPos:Number;
private var r:Number
private var angle:Number = 0;
private var rotateVal:Number = 0;
private var delcount:int=0;
private var centerX:Number;
private var centerY:Number;
/*
zonow 「あ〜楽しい！、この場をもっと早く知りたかったw」
*/
private function update(){
drawStep(0,0);
transformStep();
renderStep();
faseStep();
}
//中心点座標を引数に
private function drawStep(xp:Number,yp:Number):void{
canvas = new MovieClip();
canvasArray.push(canvas)
thisDrow(canvas,Math.random()*240,xp,yp, Math.random() * 0xFF0000 * Math.random() * 0xFF0000);
}
public function transformStep():void{
stage.addEventListener(Event.ENTER_FRAME, rotationStep);
}
public function faseStep():void{
var colorTransform:ColorTransform = canvas.transform.colorTransform;
colorTransform.color = Math.random() * 0xFF0000 * Math.random() * 0xFF0000;
canvas.transform.colorTransform = colorTransform;
}
public function renderStep():void{
canvas.graphics.beginFill(Math.random() * 0xFF0000 * Math.random() * 0xFF0000,0.2);
}
/**
* ---------------------------------------
* DO NOT CHANGE FOLLOWING CODES
* DO NOT ACCESS FOLLOWING PROPERTIES DIRECTLY
* ---------------------------------------
*/
public function Beginner():void{
var bg:BitmapData = new BitmapData(480,480,false,0x000000);
var bitmap:Bitmap = new Bitmap(bg);
addChild(bitmap);
mainCanvas = new MovieClip();
mainCanvas.x = stage.stageWidth/2;
mainCanvas.y = stage.stageHeight/2;
addChild(mainCanvas);
update();
}
private function _update():void{
xPos = new Number();
yPos = new Number();
r = new Number();
angle = 0;
update();
trace(mainCanvas.numChildren);
/*if(mainCanvas.numChildren > 10){
if(mainCanvas.getChildAt(delcount) != undefine)mainCanvas.removeChildAt(delcount);
delcount++;
}*/
}
//---------------------------------------------------------------------------------------------
private function rotationStep(event:Event):void{
mainCanvas.rotation = rotateVal--;
}
public function thisDrow(m:MovieClip,rad:Number,cx:Number,cy:Number,color:uint = 0xFF0000):void {
r= rad;
centerX = cx;
centerY = cy;
//円を描き始める始点
xPos = r * Math.sin(2 * angle) * Math.cos(angle) + centerX;
yPos = r * Math.sin(2 * angle) * Math.sin(angle) + centerY;
canvas = m
canvas.graphics.lineStyle(1,color);
canvas.graphics.moveTo(xPos, yPos);
mainCanvas.addChild(canvas)
stage.addEventListener(Event.ENTER_FRAME, circleLoop);
}
private function circleLoop(e:Event):void{
//mainCanvas.rotation = rotateVal--;
angle += 0.05
xPos = r * Math.sin(2 * angle) * Math.cos(angle) + centerX - Math.random() * 20;
yPos = r * Math.sin(2 * angle) * Math.sin(angle) + centerY - Math.random() * 20;
canvas.graphics.lineTo(xPos,yPos)
if(angle >= Math.PI*2){
stage.removeEventListener(Event.ENTER_FRAME, circleLoop);
stage.removeEventListener(Event.ENTER_FRAME, rotationStep);
_update();
}
}
}
}