Circular
...
@author ue
/**
* Copyright _ueueueueue ( http://wonderfl.net/user/_ueueueueue )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/kp3c
*/
package
{
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.text.*;
import flash.ui.*;
import frocessing.color.ColorHSV;
import net.hires.debug.Stats;
[SWF(width=465,height=465,backgroundColor=0xFFFFFF,frameRate=60)]
/**
* ...
* @author ue
*/
public class Main extends Sprite
{
private const NUM:int = 10000;
private const PI:Number = Math.PI;
private const PI2:Number = Math.PI * 2;
private const CX:int = 232;
private const CY:int = 232;
private const FIBO:Number = ((1 + Math.sqrt(5)) * .5);
private var canvas:BitmapData;
private var glow:BitmapData;
private var mat:Matrix = new Matrix(.25, 0, 0, .25);
private var particles:Vector.<Particle> = new Vector.<Particle>(NUM, true);
private var n:Number = 0;
private var i:int;
private var hsv:ColorHSV = new ColorHSV();
public function Main():void
{
stage.quality = StageQuality.MEDIUM;
canvas = new BitmapData(465, 465, false, 0x0);
addChild(new Bitmap(canvas)) as Bitmap;
glow = new BitmapData(465 / 4, 465 / 4, false, 0x0);
var bmp:Bitmap = addChild(new Bitmap(glow, PixelSnapping.NEVER, true)) as Bitmap;
bmp.scaleX = bmp.scaleY = 4;
bmp.blendMode = BlendMode.ADD;
for (var i:int = 0; i < NUM; i++)
{
var p:Particle = new Particle();
particles[i] = p;
}
addEventListener(Event.ENTER_FRAME, update);
addChild(new Stats());
}
private function update(e:Event):void
{
n += .001;
canvas.lock();
canvas.fillRect(canvas.rect, 0x0);
for (i = 0; i < NUM; i++)
{
var p:Particle = particles[i] as Particle;
var angle:Number = PI2 * FIBO * i + n;
p.x = CX + Math.cos(angle) * i * .038;
p.y = CY + Math.sin(angle) * i * .038;
hsv.h = angle * 180 / PI2 * .5;
canvas.setPixel(p.x, p.y, hsv.value);
}
glow.draw(canvas, mat);
canvas.unlock();
}
}
}
import flash.display.Graphics;
class Particle
{
public var x:Number, y:Number;
public function Particle(){}
}