forked from: 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
/**
* Copyright keim_at_Si ( http://wonderfl.net/user/keim_at_Si )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/vDHY
*/
// 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.display.Graphics;
import flash.display.Sprite;
import flash.display.StageScaleMode;
import flash.display.Shape;
import flash.events.*;
import flash.geom.*;
public class Professional extends Sprite {
private var alphabet:Array;
private var alphabetIndex:int = 0;
private var planeZ:Number = 0.5;
private var angle:Number = 0;
private var rot:Number = 0;
private var matrix:Matrix = new Matrix();
private var screen:BitmapData = new BitmapData(465, 465, false, 0);
private var canvas:Shape = new Shape();
public function Professional() {
stage.scaleMode = StageScaleMode.NO_SCALE;
alphabet = [_build("7c2221227c"), _build("7f49494936"), _build("3e41414122"), // ABC
_build("7f4141423c"), _build("7f49494941"), _build("7f09090901"), _build("3e4149493a"), // DEFG
_build("7f0808087f"), _build("00417f4100"), _build("2040413f01"), _build("7f08142241"), // HIJK
_build("7f40404040"), _build("7f020c027f"), _build("7f0408107f"), _build("3e4141413e"), // LMNO
_build("7f09090906"), _build("3e4151215e"), _build("7f09192946"), _build("2649494932"), // PQRS
_build("01017f0101"), _build("3f4040403f"), _build("1f2040201f"), _build("1f601c601f"), // TUVW
_build("6314081463"), _build("0708700807"), _build("6151494543")]; // XYZ
addChild(new Bitmap(screen));
addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
private function onEnterFrame(e:Event) : void {
var g:Graphics = canvas.graphics, scale:Number;
for (var i:int=0; i<6; i++) {
scale = 1/(1-planeZ);
matrix.identity();
matrix.translate(-2.5, -3.5);
matrix.rotate(angle+=(rot*=0.99));
matrix.scale(scale, scale);
matrix.translate(232.5, 232.5);
g.clear();
g.beginBitmapFill(alphabet[alphabetIndex], matrix);
g.drawRect(0,0,465,465);
g.endFill();
screen.draw(canvas);
planeZ += 0.005;
if (planeZ >= 1) {
if (++alphabetIndex==26) alphabetIndex=0;
planeZ = 0.5;
rot += (Math.random()-0.5)*0.005;
}
}
}
private var color:uint = 0x18102040;
private function _build(hex:String) : BitmapData {
var x:int, y:int, pat:int,
pixels:Array=[[0,0,0,0,0,0],[0,0,0,0,0,0],
[0,0,0,0,0,0],[0,0,0,0,0,0],
[0,0,0,0,0,0],[0,0,0,0,0,0],
[0,0,0,0,0,0],[0,0,0,0,0,0]];
for (x=0; x<5; x++)
for (y=0, pat=parseInt(hex.substr(x<<1, 2), 16); y<7; y++, pat>>=1)
pixels[y][x] = pat&1;
return BitmapPatternBuilder.build(pixels, [color, color^=0x00ffffff]);
}
}
}
/**-----------------------------------------------------
* 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();
}
}