forked from: Animated Sunflower Seed Spiral
/**
* Copyright seanlail ( http://wonderfl.net/user/seanlail )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/wfLi
*/
// forked from Quasimondo's Animated Sunflower Seed Spiral
// forked from Quasimondo's Sunflower Seed Spiral
package {
import flash.events.Event;
import flash.display.Graphics;
import flash.display.Sprite;
public class SunflowerSpiral extends Sprite {
private var divergenceOffset:Number;
public function SunflowerSpiral() {
divergenceOffset = 0;
stage.addEventListener( Event.ENTER_FRAME, render );
}
private function render( event:Event ):void
{
graphics.clear()
renderSpiral( 800, 3, 3, divergenceOffset);
divergenceOffset += 0.01;
}
private function renderSpiral( count:int, radius:int, padding:int, offset:Number = 0 ):void
{
var g:Graphics = graphics;
var x:Number = 200;
var y:Number = 200;
var divergence:Number = (137.50776 + offset ) / 180 * Math.PI;
for ( var i:int = 1; i <= count; i++ )
{
var r:Number = (radius + padding) * Math.sqrt( i ) - radius * 0.3;
var a:Number = divergence * i;
g.beginFill(0x807d70);
g.drawCircle( x + Math.cos( a ) * r, y + Math.sin( a ) * r, radius);
g.endFill();
}
}
}
}