forked from: RGB Separater
RGB色分解するデモ
マウスでステージをドラッグしてみてね
// forked from clockmaker's RGB Separater
package
{
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.net.*;
import flash.system.LoaderContext;
[SWF(backgroundColor="0x808080", frameRate="60", width="465", height="465")]
/**
* RGB色分解するデモ
* マウスでステージをドラッグしてみてね
*/
public class Main extends Sprite
{
/**
* スピードの値
*/
static private const CAMERA_SPEED:Number = .1;
/**
* 画像のパス
* FlickrのピクチャでもOK!
*/
static private const IMAGE_URL:String = "http://clockmaker.jp/imgs/mooning-light_300x300.jpg"
//static private const IMAGE_URL:String = "http://farm1.static.flickr.com/50/146026358_13c698d683_m.jpg"
/**
* コンストラクター
*/
public function Main()
{
var perspectiveProjection:PerspectiveProjection = root.transform.perspectiveProjection;
perspectiveProjection.focalLength = 10000;
// LoaderContextを準備(クロスドメインを使用するため)
var context:LoaderContext = new LoaderContext(true);
// 外部画像読み込み
loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadHandler);
loader.load(new URLRequest(IMAGE_URL), context);
// and bg
var bgMatrix:Matrix = new Matrix();
bgMatrix.rotate(90 * Math.PI / 180);
graphics.beginGradientFill("linear", [0xFFFFFF, 0x001122], [100, 100], [0, 255], bgMatrix);
graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
}
/**
* 画像の読み込み完了時の処理
*/
private function loadHandler(e:Event):void
{
// イベントを設定
stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDown);
stage.addEventListener(MouseEvent.MOUSE_UP, mouseUp);
addEventListener(Event.ENTER_FRAME, onEnterFrame);
// RGBチャンネルに分解する
var vec:Array = createRGBChannel(loader.content as Bitmap);
// 3Dオブジェクトをいれるラッパーを作成
main = Sprite(addChild(new Sprite()));
wrap = Sprite(main.addChild(new Sprite()));
wrap.x = stage.stageWidth / 2;
wrap.y = stage.stageHeight / 2;
//Add some reference objects
for (var i:int = 0; i < vec.length; i++)
{
var obj:DisplayObject = wrap.addChild(new Bitmap(vec[i]));
obj.x = - obj.width / 2;
obj.y = - obj.height / 2;
obj.z = - 50 * (i - vec.length / 2);
if (i == 0) continue;
obj.blendMode = BlendMode.SCREEN;
}
}
/**
* Seperate RGB Channel
* @param Bitmap
* @return RGB + Black Vector.<BitmapData>
*/
private function createRGBChannel(bmp:Bitmap):Array
{
var b:BitmapData = new BitmapData(bmp.width, bmp.height, true, 0xFF000000);
var r:BitmapData = new BitmapData(bmp.width, bmp.height, true, 0xFF000000);
var g:BitmapData = new BitmapData(bmp.width, bmp.height, true, 0xFF000000);
b.copyChannel(bmp.bitmapData, new Rectangle(0, 0, bmp.width, bmp.height), new Point(), BitmapDataChannel.BLUE, BitmapDataChannel.BLUE);
r.copyChannel(bmp.bitmapData, new Rectangle(0, 0, bmp.width, bmp.height), new Point(), BitmapDataChannel.RED, BitmapDataChannel.RED);
g.copyChannel(bmp.bitmapData, new Rectangle(0, 0, bmp.width, bmp.height), new Point(), BitmapDataChannel.GREEN, BitmapDataChannel.GREEN);
return [new BitmapData(bmp.width, bmp.height, true, 0xFF000000), r, g, b];
}
/**
* Eneter Frameの処理
*/
private function onEnterFrame(e:Event):void
{
if (move)
{
panAngle += ((mouseX - lastMouseX) / stage.stageWidth * 180 + lastPanAngle - panAngle) * CAMERA_SPEED;
tiltAngle += ((mouseY - lastMouseY) / stage.stageHeight * 180 + lastTiltAngle - tiltAngle) * CAMERA_SPEED;
}
else
{
panAngle += (0 - panAngle) * CAMERA_SPEED;
tiltAngle += (0 - tiltAngle) * CAMERA_SPEED;
}
wrap.rotationX = tiltAngle;
wrap.rotationY = panAngle;
// 以下 Zソート
var arr:Array = []
for (var i:int = 0; i < wrap.numChildren; i++)
{
var ele:DisplayObject = wrap.getChildAt(i);
var mtx:Matrix3D = ele.transform.getRelativeMatrix3D(main);
arr.push( { ele:ele, z:mtx.position.z } );
}
arr.sortOn("z", Array.NUMERIC | Array.DESCENDING);
var baseZ:Number = wrap.z;
for (i = 0; i < arr.length; i++)
{
ele = arr[i].ele;
var z:Number = arr[i].z;
wrap.setChildIndex(ele, i);
}
}
/**
* マウスを押したときの処理
*/
private function mouseDown(event:MouseEvent):void
{
lastPanAngle = panAngle;
lastTiltAngle = tiltAngle;
lastMouseX = mouseX;
lastMouseY = mouseY;
move = true;
}
/**
* マウスを話したときの処理
*/
private function mouseUp(event:MouseEvent):void
{
move = false;
}
// ------------------------------------------
// いろいろ変数
// ------------------------------------------
private var move:Boolean = false;
private var lastMouseX:Number;
private var lastMouseY:Number;
private var lastPanAngle:Number;
private var lastTiltAngle:Number;
private var panAngle:Number = 0;
private var tiltAngle:Number = 0;
private var main:Sprite;
private var wrap:Sprite;
private var loader:Loader;
}
}