forked from: Peak

/**
 * Copyright shaktool ( http://wonderfl.net/user/shaktool )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/sWbX
 */

package {
  import flash.display.*;
  import flash.events.*;
  import flash.filters.*;
  import flash.geom.*;
  import flash.text.*;
  import flash.utils.*;
  
  [SWF(width=400, height=465, frameRate=15, backgroundColor=0x000000)]
  public class Peak extends Sprite {
    private const WIDTH: int = 100;
    private const HEIGHT: int = 100;
    private const W_TIMES_H: int = WIDTH*HEIGHT;
    
    private var lifeMap: BitmapData = new BitmapData(WIDTH, HEIGHT, false , 0);
    //private var heatMap: BitmapData = new BitmapData(WIDTH, HEIGHT, false, 0);
    private var heightMap:BitmapData = new BitmapData(WIDTH,HEIGHT,false,0);
    private var tempMap:BitmapData = new BitmapData(WIDTH,HEIGHT,true,0);
    
    public function Peak() {
      stage.addEventListener(MouseEvent.CLICK, generate);
      
      generate(null);
      var screen: Bitmap = new Bitmap(heightMap);
      screen.scaleX = 2;
      screen.scaleY = 2;
      addChild(screen);
    }
    
    public function generate(event: MouseEvent): void {
      var i: int;
      var j: int;
      var k: int;
      var palette: Array = new Array(256);
      var threshold: int;
      
      heightMap.perlinNoise(50,50,10,Math.random()*int.MAX_VALUE,true,true, 7, false);
      /*
      // solarize and copy into heightmap:
      threshold = 100;
      for (i = 0; i < 128; i++) {
        if (i < threshold) k = 0; else k = (i - threshold) * 255 / (127 - threshold);
        k = (k << 16) | (k << 8) | (k << 0);
      	palette[i] = k;
      	palette[255 - i] = k;
      }
      heightMap.paletteMap(heightMap, new Rectangle(0,0,WIDTH,HEIGHT), new Point(0,0), null, null, palette, null);
      */
      
    }
  }
}