/**
* Copyright NewWorld ( http://wonderfl.net/user/NewWorld )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/WGNj
*/
package
{
import flash.geom.*;
import flash.display.*;
import flash.events.Event;
public class SPIRAL extends Sprite
{
private var w : uint = 465, h : uint = 465,
r : Rectangle = new Rectangle (0, 0, w, h), p : Point = new Point (0, 0),
t : ColorTransform = new ColorTransform (1, 1, 1, 0.999),
v : Vector.<uint> = new Vector.<uint> (w * h, true),
b : BitmapData = new BitmapData (w, h, false, 0),
m : Matrix = new Matrix (),
d : Vector.<Number>, // data
c : Vector.<int>, // commands
s : Shape,
angle : Number = 0;
public function SPIRAL () : void
{
with (stage) { quality = StageQuality.HIGH_16X16; color = 0x0; scaleMode = 'noScale'; }
c = new <int>[1];
d = new <Number>[0, 0];
for (var i : int = 0; i < 300; i++) // spiral length
{
c.push (2);
var l : Point = Point.polar (i * i / 250, i * (PI / 35));
d.push (l.x, l.y);
}
s = new Shape ();
s.graphics.lineStyle (1, 0xFFFFFF);
s.graphics.drawPath (c, d);
addChild (new Bitmap (b));
addEventListener (Event.ENTER_FRAME, render);
}
private function render (e : Event) : void
{
angle -= 1 % 360;
m.identity ();
m.translate (w / 2, h / 2);
m.translate (-r.width / 2,-r.height / 2);
m.rotate (angle * (PI / 180));
m.translate ( r.width / 2, r.height / 2);
b.colorTransform (r, t);
b.draw (s, m);
}
private var PI : Number = Math.PI;
}
}