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Dead Code Preservation :: Archived AS3 works from wonderfl.net

自分の顔を地形にする(DetectPixels)

//////////////////////////////////////////////////////////////////////////////
[AS3.0] DetectPixelsクラスに挑戦! (3)
http://www.project-nya.jp/modules/weblog/details.php?blog_id=1137
//////////////////////////////////////////////////////////////////////////////
/**
 * Copyright fumix ( http://wonderfl.net/user/fumix )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/3gBG
 */

// forked from ProjectNya's DetectPixels
////////////////////////////////////////////////////////////////////////////////
// [AS3.0] DetectPixelsクラスに挑戦! (3)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1137
////////////////////////////////////////////////////////////////////////////////

package {

	import flash.display.Sprite;
	import flash.display.Shape;
	import flash.display.StageScaleMode;
	import flash.display.StageAlign;
	import flash.display.BitmapData;
	import flash.display.Bitmap;
	import flash.geom.Rectangle;
	import flash.geom.Point;
	import flash.events.MouseEvent;
	import flash.utils.Timer;
	import flash.events.TimerEvent;
	import frocessing.color.ColorHSV;
	import flash.media.Camera;

	[SWF(backgroundColor="#FFFFFF", width="465", height="465", frameRate="30")]

	import flash.media.Video;
	public class Main extends Sprite {
		//private var noise:BitmapData;
		private var noise:PerlinNoise;
		private var perlin:Bitmap;
		private var distortion:DistortImage;
		private var detection:DetectPixels;
		private var bitmapDataList:Array;
		private var canvas:Sprite;
		private var layerList:Array;
		private static var layers:uint = 10;
		private static var bHeight:uint = 5;
		private var colorList:Array;
		private var rect:Rectangle;
		private static var accuracy:uint = 2;
		private var threshold:uint = 0xFF000000;
		private var noiseBtn:Btn;
		private var mapBtn:Btn;
		
		private var _camera :Camera;
		private var _video:Video;
		
		public function Main() {
			Wonderfl.capture_delay(8);
			init();
		}

		private function init():void {
			rect = new Rectangle(0, 0, 300, 200);
			//webカメラ
			_camera = Camera.getCamera();
			//カメラあり
			if(_camera != null){
				setupCamera();
			}else{
				
			}
			noise = new PerlinNoise(rect, 60, 4, 0);
			noise.colorize({r: 1.5, g: 1.5, b: 1.5}, {r: -0x66, g: -0x66, b: -0x66});
			//perlin = new Bitmap(noise);
			//addChild(perlin);
			var base:Shape = new Shape();
			addChild(base);
			base.x = 82;
			base.y = 270;
			base.graphics.beginFill(0x000000);
			base.graphics.moveTo(0, 0);
			base.graphics.lineTo(300, 0);
			base.graphics.lineTo(450, 150);
			base.graphics.lineTo(-150, 150);
			base.graphics.endFill();
			canvas = new Sprite();
			addChild(canvas);
			canvas.x = 82;
			canvas.y = 270;
			detection = new DetectPixels(accuracy);
			distortion = new DistortImage(rect.width, rect.height, 5, 5);
			bitmapDataList = new Array();
			layerList = new Array();
			var hsv:ColorHSV = new ColorHSV(60, 1, 1);
			colorList = new Array();
			for (var n:uint = 0; n < layers; n++) {
				var bitmapData:BitmapData = new BitmapData(rect.width, rect.height, true, 0x00000000);
				bitmapDataList.push(bitmapData);
				var layer:Shape = new Shape();
				canvas.addChild(layer);
				layer.y = - bHeight*(n+1);
				layerList.push(layer);
				hsv.h = 80 - 20/layers*(n+1);
				hsv.v = 0.2 + 0.8/layers*(n+1);
				var color:uint = 0xFF << 24 | hsv.value;
				colorList.push(color);
			}
			noiseBtn = new Btn();
			noiseBtn.x = 192;
			noiseBtn.y = 445;
			addChild(noiseBtn);
			noiseBtn.init({id: 0, label: "noise"});
			//noiseBtn.addEventListener(MouseEvent.CLICK, create, false, 0, true);
			mapBtn = new Btn();
			mapBtn.x = 272;
			mapBtn.y = 445;
			addChild(mapBtn);
			mapBtn.init({id: 1, label: "map"});
			mapBtn.addEventListener(MouseEvent.CLICK, createMap, false, 0, true);
		}
		private function create(evt:MouseEvent):void {
			noise.create(60, 4, 0);
			noise.colorize({r: 1.5, g: 1.5, b: 1.5}, {r: -0x66, g: -0x66, b: -0x66});
		}
		private function createMap(evt:MouseEvent):void {
			noiseBtn.enabled = false;
			mapBtn.clicked = true;
			clear();
			noise.draw(_video);
			var timer:Timer = new Timer(100, layers);
			timer.addEventListener(TimerEvent.TIMER, createLayer, false, 0, true);
			timer.addEventListener(TimerEvent.TIMER_COMPLETE, complete, false, 0, true);
			timer.start();
		}
		private function createLayer(evt:TimerEvent):void {
			var id:uint = evt.target.currentCount - 1;
			distort(id);
			detectPixels(id);
		}
		private function complete(evt:TimerEvent):void {
			evt.target.removeEventListener(TimerEvent.TIMER, createLayer);
			evt.target.removeEventListener(TimerEvent.TIMER_COMPLETE, complete);
			noiseBtn.enabled = true;
			mapBtn.clicked = false;
		}
		private function distort(id:uint):void {
			var layer:Shape = layerList[id];
			var bitmapData:BitmapData = bitmapDataList[id];
			var p1:Point = new Point(0, 0);
			var p2:Point = new Point(300, 0);
			var p3:Point = new Point(450, 150);
			var p4:Point = new Point(-150, 150);
			distortion.setTransform(layer.graphics, bitmapData, p1, p2, p3, p4);
		}
		private function detectPixels(id:uint):void {
			var bitmapData:BitmapData = bitmapDataList[id];
			bitmapData.lock();
			bitmapData.fillRect(rect, 0x00000000);
			detection.search(noise, rect, threshold);
			var map:Array = detection.pixels();
			var hex:uint = uint(0xFF/layers*(id+1));
			threshold = 0xFF << 24 | hex << 16 | hex << 8 | hex;
			var color:uint = colorList[id];
			for (var n:uint = 0; n < map.length; n++) {
				var area:Rectangle = new Rectangle(map[n].x, map[n].y, accuracy, accuracy);
				bitmapData.fillRect(area, color);
			}
			bitmapData.unlock();
		}
		private function clear():void {
			for (var n:uint = 0; n < layers; n++) {
				var layer:Shape = layerList[n];
				layer.graphics.clear();
			}
			threshold = 0xFF000000;
		}
		/**
		 * webカメラセットのアップ
		 */
		private function setupCamera() : void {
			_camera.setMode(rect.width/2, rect.height/2, 15);
			_video = new Video(rect.width, rect.height);
			_video.attachCamera(_camera);
			addChild(_video);
			_video.x = 82;
			_video.y = 10;
		}
	}

}


//////////////////////////////////////////////////
// DistortImageクラス
//////////////////////////////////////////////////

import flash.display.BitmapData;
import flash.display.Graphics;
import flash.geom.Matrix;
import flash.geom.Point;
	
class DistortImage {
	protected var _sMat:Matrix, _tMat:Matrix;
	protected var _xMin:Number, _xMax:Number, _yMin:Number, _yMax:Number;
	protected var _hseg:uint, _vseg:uint;
	protected var _hsLen:Number, _vsLen:Number;
	protected var _p:Array;
	protected var _tri:Array;
	protected var _w:Number, _h:Number;
	public var smoothing:Boolean = true;

	public function DistortImage   (w:Number, h:Number, hseg:uint=2, vseg:uint=2):void {
		_w = w;
		_h = h;
		_vseg = vseg;
		_hseg = hseg;
		__init();
	}

	protected function __init():void {
		_p = new Array();
		_tri = new Array();
		var ix: Number;
		var iy: Number;
		var w2: Number = _w / 2;
		var h2: Number = _h / 2;
		_xMin = _yMin = 0;
		_xMax = _w; _yMax = _h;
		_hsLen = _w / ( _hseg + 1 );
		_vsLen = _h / ( _vseg + 1 );
		var x: Number, y: Number;
		for ( ix = 0 ; ix <_vseg + 2 ; ix++ ){
			for ( iy = 0 ; iy <_hseg + 2 ; iy++ ){
				x = ix * _hsLen;
				y = iy * _vsLen;
				_p.push( { x: x, y: y, sx: x, sy: y } );
			}
		}
		for ( ix = 0 ; ix <_vseg + 1 ; ix++ ){
			for ( iy = 0 ; iy <_hseg + 1 ; iy++ ){
				_tri.push([ _p[ iy + ix * ( _hseg + 2 ) ] , _p[ iy + ix * ( _hseg + 2 ) + 1 ] , _p[ iy + ( ix + 1 ) * ( _hseg + 2 ) ] ] );
				_tri.push([ _p[ iy + ( ix + 1 ) * ( _hseg + 2 ) + 1 ] , _p[ iy + ( ix + 1 ) * ( _hseg + 2 ) ] , _p[ iy + ix * ( _hseg + 2 ) + 1 ] ] );
			}
		}
	}
	public function setTransform(graphics:Graphics, bmd:BitmapData, tl:Point, tr:Point, br:Point, bl:Point):void {
		var dx30:Number = bl.x - tl.x;
		var dy30:Number = bl.y - tl.y;
		var dx21:Number = br.x - tr.x;
		var dy21:Number = br.y - tr.y;
		var l:Number = _p.length;
		while( --l> -1 ){
			var point:Object = _p[ l ];
			var gx:Number = ( point.x - _xMin ) / _w;
			var gy:Number = ( point.y - _yMin ) / _h;
			var bx:Number = tl.x + gy * ( dx30 );
			var by:Number = tl.y + gy * ( dy30 );
			point.sx = bx + gx * ( ( tr.x + gy * ( dx21 ) ) - bx );
			point.sy = by + gx * ( ( tr.y + gy * ( dy21 ) ) - by );
		}
		__render(graphics, bmd);
	}
	protected function __render(graphics:Graphics, bmd:BitmapData):void {
		var t: Number;
		var vertices: Array;
		var p0:Object, p1:Object, p2:Object;
		var a:Array;
		_sMat = new Matrix();
		_tMat = new Matrix();
		var l:Number = _tri.length;
		while( --l> -1 ){
			a = _tri[ l ];
			p0 = a[0];
			p1 = a[1];
			p2 = a[2];
			var x0: Number = p0.sx;
			var y0: Number = p0.sy;
			var x1: Number = p1.sx;
			var y1: Number = p1.sy;
			var x2: Number = p2.sx;
			var y2: Number = p2.sy;
			var u0: Number = p0.x;
			var v0: Number = p0.y;
			var u1: Number = p1.x;
			var v1: Number = p1.y;
			var u2: Number = p2.x;
			var v2: Number = p2.y;
			_tMat.tx = u0;
			_tMat.ty = v0;
			_tMat.a = ( u1 - u0 ) / _w;
			_tMat.b = ( v1 - v0 ) / _w;
			_tMat.c = ( u2 - u0 ) / _h;
			_tMat.d = ( v2 - v0 ) / _h;
			_sMat.a = ( x1 - x0 ) / _w;
			_sMat.b = ( y1 - y0 ) / _w;
			_sMat.c = ( x2 - x0 ) / _h;
			_sMat.d = ( y2 - y0 ) / _h;
			_sMat.tx = x0;
			_sMat.ty = y0;
			_tMat.invert();
			_tMat.concat( _sMat );
			graphics.beginBitmapFill( bmd, _tMat, false, smoothing );
			graphics.moveTo( x0, y0 );
			graphics.lineTo( x1, y1 );
			graphics.lineTo( x2, y2 );
			graphics.endFill();
		}
	}
	
}


//////////////////////////////////////////////////
// DetectPixelsクラス
//////////////////////////////////////////////////

import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.display.IBitmapDrawable;

class DetectPixels {
	private var bd:IBitmapDrawable;
	private var rect:Rectangle;
	private var map:BitmapData;
	private var mapList:Array;
	private var accuracy:uint;
	private var threshold:uint = 0x80FFFFFF;

	public function DetectPixels(a:uint = 1) {
		accuracy = a;
	}

	public function search(t:IBitmapDrawable, r:Rectangle, th:uint = 0x80FFFFFF):void {
		bd = t;
		rect = r;
		threshold = th;
		var w:uint = rect.width/accuracy;
		var h:uint = rect.height/accuracy;
		detect(w, h);
	}
	private function detect(w:uint, h:uint):void {
		map = new BitmapData(w, h, true, 0x00000000);
		var matrix:Matrix = new Matrix();
		matrix.scale(1/accuracy, 1/accuracy);
		map.lock();
		map.draw(bd, matrix);
		map.unlock();
		mapList = new Array();
		for (var x:uint = 0; x < w; x++) {
			for (var y:uint = 0; y < h; y++) {
				var color:uint = map.getPixel32(x, y);
				if (color >= threshold) {
					var px:int = x*accuracy + rect.x;
					var py:int = y*accuracy + rect.y;
					var point:Point = new Point(px, py);
					mapList.push(point);
				}
			}
		}
	}
	public function pixels():Array {
		return mapList;
	}

}


//////////////////////////////////////////////////
// PerlinNoiseクラス
//////////////////////////////////////////////////

import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.ColorTransform;

class PerlinNoise extends BitmapData {
	private var source:BitmapData;
	private var base:uint;
	private var octaves:uint;
	private var seed:uint;
	private static var point:Point = new Point();
	private var offsets:Array = [point, point];
	private var color:ColorTransform;
	private var multiplier:Object = {r: 1, g: 1, b: 1};
	private var offset:Object = {r: 0x00, g: 0x00, b: 0x00};

	public function PerlinNoise(rect:Rectangle, b:uint = 20, o:uint = 2, s:uint = 1) {
		super(rect.width, rect.height, false, 0xFF000000);
		source = new BitmapData(rect.width, rect.height, false, 0xFF000000);
		create(b, o, s);
	}

	public function create(b:uint, o:uint, s:uint):void {
		base = b;
		octaves = o;
		seed = s;
		if (seed == 0) seed = Math.floor(Math.random()*1000);
		lock();
		source.perlinNoise(base, base, octaves, seed, false, true, 0, true, offsets);
		draw(source);
		unlock();
	}
	public function colorize(m:Object, o:Object):void {
		multiplier = m;
		offset = o;
		color = new ColorTransform(multiplier.r, multiplier.g, multiplier.b, 1, offset.r, offset.g, offset.b, 0);
		lock();
		draw(source, null, color);
		unlock();
	}

}


//////////////////////////////////////////////////
// Btnクラス
//////////////////////////////////////////////////

import flash.display.Sprite;
import flash.display.Shape;
import flash.text.TextField;
import flash.text.TextFieldType;
import flash.text.AntiAliasType;
import flash.text.TextFormat;
import flash.text.TextFormatAlign;
import flash.filters.GlowFilter;
import flash.events.MouseEvent;

class Btn extends Sprite {
	public var id:uint;
	private var shade:Shape;
	private var bottom:Shape;
	private var light:Shape;
	private var base:Shape;
	private var txt:TextField;
	private var label:String = "";
	private static var fontType:String = "_ゴシック";
	private var _width:uint = 60;
	private static var _height:uint = 20;
	private static var corner:uint = 5;
	private var type:uint = 1;
	private static var bColor:uint = 0xFFFFFF;
	private static var sColor:uint = 0x000000;
	private static var upColor:uint = 0x666666;
	private static var overColor:uint = 0x333333;
	private static var offColor:uint = 0x999999;
	private static var gColor:uint = 0x0099FF;
	private var blueGlow:GlowFilter;
	private var shadeGlow:GlowFilter;
	private var _clicked:Boolean = false;
	private var _enabled:Boolean = true;

	public function Btn() {
	}

	public function init(option:Object):void {
		if (option.id != undefined) id = option.id;
		if (option.label != undefined) label = option.label;
		if (option.width != undefined) _width = option.width;
		if (option.type != undefined) type = option.type;
		draw();
	}
	private function draw():void {
		switch (type) {
		case 1 :
			bColor = 0xFFFFFF;
			sColor = 0x000000;
			upColor = 0x666666;
			overColor = 0x333333;
			offColor = 0x999999;
			break;
		case 2 :
			bColor = 0x000000;
			sColor = 0xFFFFFF;
			upColor = 0x666666;
			overColor = 0x999999;
			offColor = 0x333333;
			break;
		}
		blueGlow = new GlowFilter(gColor, 0.6, 5, 5, 2, 3, false, true);
		shadeGlow = new GlowFilter(sColor, 0.3, 4, 4, 2, 3, false, true);
		shade = new Shape();
		bottom = new Shape();
		light = new Shape();
		base = new Shape();
		txt = new TextField();
		addChild(shade);
		addChild(bottom);
		addChild(light);
		addChild(base);
		addChild(txt);
		createBase(shade, _width, _height, corner, sColor);
		shade.filters = [shadeGlow];
		createBase(bottom, _width, _height, corner, sColor, 0.3);
		createBase(light, _width, _height, corner, gColor);
		light.filters = [blueGlow];
		createBase(base, _width, _height, corner, bColor);
		txt.x = -_width*0.5;
		txt.y = -_height*0.5;
		txt.width = _width;
		txt.height = _height - 1;
		txt.type = TextFieldType.DYNAMIC;
		txt.selectable = false;
		//txt.embedFonts = true;
		//txt.antiAliasType = AntiAliasType.ADVANCED;
		var tf:TextFormat = new TextFormat();
		tf.font = fontType;
		tf.size = 12;
		tf.align = TextFormatAlign.CENTER;
		txt.defaultTextFormat = tf;
		txt.text = label;
		enabled = true;
		mouseChildren = false;
	}
	private function rollOver(evt:MouseEvent):void {
		_over();
	}
	private function rollOut(evt:MouseEvent):void {
		_up();
	}
	private function press(evt:MouseEvent):void {
		_down();
	}
	private function release(evt:MouseEvent):void {
		_up();
	}
	private function click(evt:MouseEvent):void {
	}
	private function _up():void {
		txt.y = -_height*0.5;
		txt.textColor = upColor;
		base.y = -1;
		light.visible = false;
		light.y = -1;
	}
	private function _over():void {
		txt.y = -_height*0.5;
		txt.textColor = overColor;
		base.y = -1;
		light.visible = true;
		light.y = -1;
	}
	private function _down():void {
		txt.y = -_height*0.5 + 1;
		txt.textColor = overColor;
		base.y = 0;
		light.visible = true;
		light.y = 0;
	}
	private function _off():void {
		txt.y = -_height*0.5 + 1;
		txt.textColor = offColor;
		base.y = 0;
		light.visible = false;
		light.y = 0;
	}
	public function get clicked():Boolean {
		return _clicked;
	}
	public function set clicked(param:Boolean):void {
		_clicked = param;
		enabled = !_clicked;
		if (_clicked) {
			_down();
		} else {
			_up();
		}
	}
	public function get enabled():Boolean {
		return _enabled;
	}
	public function set enabled(param:Boolean):void {
		_enabled = param;
		buttonMode = _enabled;
		mouseEnabled = _enabled;
		useHandCursor = _enabled;
		if (_enabled) {
			_up();
			addEventListener(MouseEvent.MOUSE_OVER, rollOver, false, 0, true);
			addEventListener(MouseEvent.MOUSE_OUT, rollOut, false, 0, true);
			addEventListener(MouseEvent.MOUSE_DOWN, press, false, 0, true);
			addEventListener(MouseEvent.MOUSE_UP, release, false, 0, true);
			addEventListener(MouseEvent.CLICK, click, false, 0, true);
		} else {
			_off();
			removeEventListener(MouseEvent.MOUSE_OVER, rollOver);
			removeEventListener(MouseEvent.MOUSE_OUT, rollOut);
			removeEventListener(MouseEvent.MOUSE_DOWN, press);
			removeEventListener(MouseEvent.MOUSE_UP, release);
			removeEventListener(MouseEvent.CLICK, click);
		}
	}
	private function createBase(target:Shape, w:uint, h:uint, c:uint, color:uint, alpha:Number = 1):void {
		target.graphics.beginFill(color, alpha);
		target.graphics.drawRoundRect(-w*0.5, -h*0.5, w, h, c*2);
		target.graphics.endFill();
	}

}