forked from: PerlinWaves

perlinNoise勉強中

by gaziya 25 Nov 2011

• Forked from Robot's PerlinWaves
• Diff: 62
• Related works: 4
Embed

package {
    import flash.geom.Point;
    import flash.display.BitmapData;
    import flash.events.Event;
    import flash.display.Sprite;
    
    public class Waves extends Sprite {
        public function Waves() {
            var bmd:BitmapData = new BitmapData(100, 100)
            var val:Number = 0
            addEventListener( Event.ENTER_FRAME, function(e:Event):void {
                val++
                bmd.perlinNoise(50,50,2,64,true,true,2|1,false,[new Point(val,0)])
                graphics.clear()
                graphics.lineStyle(1, 0xff)
                for (var h:int = 0; h < bmd.height ; h++) {
                    graphics.moveTo(-10,250)
                    for (var w:int = 0; w < bmd.width; w++) {
                        var value:Number = bmd.getPixel( w, h ) / 30000
                        graphics.lineTo( w * 5, value)
                    }                    
                }            
            })
        }
    }
}