/**
* Copyright fladdict ( http://wonderfl.net/user/fladdict )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/i1E1
*/
// forked from checkmate's fladdict challenge for professionals
/**
* Theme:
* Play with BitmapPatterBuilder.
* Purpose of this trial is to find the possibility of the dot pattern.
*
* by Takayuki Fukatsu aka fladdict
**/
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.events.*;
import flash.geom.Matrix;
import flash.display.Graphics;
import flash.display.Sprite;
import flash.display.StageScaleMode;
public class Professional extends Sprite {
public var ar:Array;
public var rot:Number = 0;
public function Professional() {
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.addEventListener(Event.ENTER_FRAME, enterFrameHandler);
ar = [[]];
}
protected function enterFrameHandler(e:Event):void
{
rot += 0.01;
var mat:Matrix = new Matrix();
mat.translate(Math.random()*10, Math.random()*10);
mat.scale(10,10);
mat.rotate(rot);
//mat.scale(Math.random()*2,Math.random()*2);
var div:Number = 4
ar = [[int(mat.a)%div, int(mat.b)%div],[int(mat.c)%div, int(mat.d)%div], [int(mat.tx)%div, int(mat.ty)%div]];
var pattern:BitmapData = BitmapPatternBuilder.build(ar, [0xff000000, 0xff66666666, 0xff999999, 0xffffffff]);
var g:Graphics = graphics;
g.clear();
g.beginBitmapFill(pattern);
g.drawRect(0,0,480,480);
g.endFill();
}
//most simple patern
public function sample1():BitmapData{
return BitmapPatternBuilder.build(
[[1,0],
[0,1]],
[0xff000000, 0xffffffff]
);
}
}
}
/**-----------------------------------------------------
* Use following BitmapPatternBuilder class
*
* DO NOT CHANGE any codes below this comment.
*
* -----------------------------------------------------
*/
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
class BitmapPatternBuilder{
/**
* creates BitmapData filled with dot pattern.
* First parameter is 2d array that contains color index for each pixels;
* Second parameter contains color reference table.
*
* @parameter pattern:Array 2d array that contains color index for each pixel.
* @parameter colors:Array 1d array that contains color table.
* @returns BitmapData
*/
public static function build(pattern:Array, colors:Array):BitmapData{
var bitmapW:int = pattern[0].length;
var bitmapH:int = pattern.length;
var bmd:BitmapData = new BitmapData(bitmapW,bitmapH,true,0x000000);
for(var yy:int=0; yy<bitmapH; yy++){
for(var xx:int=0; xx<bitmapW; xx++){
var color:int = colors[pattern[yy][xx]];
bmd.setPixel32(xx, yy, color);
}
}
return bmd;
}
/**
* short cut function for Graphics.beginBitmapFill with pattern.
*/
public static function beginBitmapFill(pattern:Array, colors:Array, graphics:Graphics):void{
var bmd:BitmapData = build(pattern, colors);
graphics.beginBitmapFill(bmd);
bmd.dispose();
}
}