PerlinWaves
@author: BigRobot
@date : 13 jan 2009
//@author: BigRobot
//@date : 13 jan 2009
package
{
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.filters.GlowFilter;
[SWF(backgroundColor="0x00")]
public class Waves extends Sprite
{
private var __bmd :BitmapData;
private var __val :Number = 0;
private var __angle:Number = 0;
private var __color:Number = 0;
public function Waves() {
this.filters = [ new GlowFilter( 0x00ffff, 1, 3, 3 ) ]
build();
}
private function build():void {
__bmd = new BitmapData( 50, 50, true, 0 );
this.addEventListener( Event.ENTER_FRAME, doMagic );
}
private function doMagic( evt:Event ):void {
drawBMD();
drawLines();
}
private function drawBMD():void {
__bmd.perlinNoise(__bmd.width / 3,__bmd.height / 3,3,6456,true,true,2|1,false,[new Point(__val +=1,0),
new Point(__val/10,0),new Point(0,0)]);
}
private function drawLines():void {
__angle = (Math.PI / 180);
__color = __bmd.getPixel( Math.cos( __angle ) * __bmd.width, Math.sin( __angle ) * __bmd.height );
this.graphics.clear();
for (var h:int = 0; h < __bmd.height ; h++) {
var thickness:Number = __bmd.getPixel( 0, h ) / 100000;
this.graphics.lineStyle( thickness / 35, __color, .05);
for (var w:int = 0; w < __bmd.width; w++) {
var __value:Number = __bmd.getPixel( w, h ) / 100000;
this.graphics.lineTo( w * 11, __value * 2 );
}
this.graphics.moveTo( -20, h );
}
}
}
}