actionscript3.0 で カルーセル

/**
 * @author atama-switch
 */
package
{
	// flash
	import flash.display.DisplayObject;
	import flash.events.Event;
	import flash.events.EventDispatcher;
 
	/**
	 * CarouselData クラス
	 */
	public class CarouselData extends EventDispatcher
	{		
		// coordX
		public function get coordX():Number { return _coordX; }
		public function set coordX(value:Number):void {
			if(value != _coordX) {
				_coordX = value;
				updateHorizontal();
			}
		}
		private var _coordX:Number = 0;
 
		// coordY
		public function get coordY():Number { return _coordY; }
		public function set coordY(value:Number):void {
			if(value != _coordY) {
				_coordY = value;
				updateVertical();
			}
		}
		private var _coordY:Number = 0;
 
		// x
		public function get x():Number { return _x; }
		public function set x(value:Number):void { _x = value; }
		private var _x:Number = 0;
 
		// y
		public function get y():Number { return _y; }
		public function set y(value:Number):void { _y = value; }
		private var _y:Number = 0;
 
		// height
		public function get height():Number { return _height; }
		public function set height(value:Number):void { _height = value; }
		private var _height:Number = 0;
 
		// width
		public function get width():Number { return _width; }
		public function set width(value:Number):void { _width = value; }
		private var _width:Number = 0;
 
		// limitLeft
		public function get limitLeft():Number { return _limitLeft; }
		public function set limitLeft(value:Number):void { _limitLeft = value; }
		private var _limitLeft:Number = 0;
 
		// limitRight
		public function get limitRight():Number { return _limitRight; }
		public function set limitRight(value:Number):void { _limitRight = value; }
		private var _limitRight:Number = 0;
 
		// limitTop
		public function get limitTop():Number { return _limitTop; }
		public function set limitTop(value:Number):void { _limitTop = value; }
		private var _limitTop:Number = 0;
 
		// limitBottom
		public function get limitBottom():Number { return _limitBottom; }
		public function set limitBottom(value:Number):void { _limitBottom = value; }
		private var _limitBottom:Number = 0;
 
		// carouselArray
		public function get data():Array { return _data; }
		private var _data:Array = new Array();
 
		// gutter
		public function get gutter():Number { return _gutter; }
		public function set gutter(value:Number):void { _gutter = value; }
		private var _gutter:Number = 0;
 
		// direction
		public function get direction():String { return _direction; }
		public function set direction(value:String):void { _direction = value; }
		private var _direction:String = "horizontal";// horizontal or vertical
 
		/**
		 * 新しい CarouselData インスタンスを作成します。
		 */
		public function CarouselData( initObject:Object = null ) 
		{
			for ( var parame in initObject ){
				// 繰り返すスクリプト
				if (this.hasOwnProperty(parame)) {
					this[parame] = initObject[parame];
				}
			}
		}
 
 
		// push
		public function push ( target:DisplayObject ):void
		{
			_data.push( { x : target.x, y : target.y, width : target.width, height : target.height } );
			if(_direction == "horizontal") _width += target.width + _gutter;
			if(_direction == "vertical") _height += target.height + _gutter;
		}
 
 
		// updateHorizontal
		public function updateHorizontal ( e:Event = null):void
		{
			var distance:Number = (_coordX - _x);
			distance = Number(distance.toFixed(3));
			_x += distance;
 
			for (var i:int = 0; i < _data.length; i++) {
				_data[i].x += distance;
				if (_data[i].x < (_limitLeft - (_data[i].width + _gutter)) && distance < 0) {
					// 左の画面外に出たら一番右に移動
					_data[i].x += _width;
 
				} else if (_data[i].x >= _limitRight && distance > 0) {
					// 右の画面外に出たら一番左に移動
					_data[i].x -= _width;
				}
			}
			dispatchEvent( new Event(Event.CHANGE) );
		}
 
 
		// updateVertical
		public function updateVertical ( e:Event = null):void
		{
			var distance:Number = (_coordY - _y);
			distance = Number(distance.toFixed(3));
			_y += distance;
 
			for (var i:int = 0; i < _data.length; i++) {
				_data[i].y += distance;
 
				if (_data[i].y < (_limitTop - (_data[i].height + _gutter)) && distance < 0) {
					// 上の画面外に出たら一番下に移動
					_data[i].y += _height;
 
				} else if (_data[i].y >= _limitBottom && distance > 0) {
					// 下の画面外に出たら一番上に移動
					_data[i].y -= _height;
				}
			}
			dispatchEvent( new Event(Event.CHANGE) );
		}
	}
 
}

package 
{
	// flash
	import flash.display.StageScaleMode;
	import flash.display.StageAlign;
	import flash.events.Event;
	import flash.display.Sprite;
	import flash.text.TextField;
	import flash.text.TextFieldAutoSize;
	import flash.text.TextFormat;
	import flash.text.*;
 
	// CarouselData
	import CarouselData;
 
	public class Main extends Sprite
	{
 
		private var _mcNum:Number = 16;
		private var _gutter:Number = 8;
 
		// 横
		// _carouselDataHorizontal
		private var _carouselDataHorizontal:CarouselData;
		// _mcHorizontalArray
		private var _mcHorizontalArray:Array;
		// _horizontalSprite
		private var _horizontalSprite:Sprite;
		// _horizontalSpriteMask
		private var _horizontalSpriteMask:Sprite;
 
 
		// 縦
		// _carouselDataVertical
		private var _carouselDataVertical:CarouselData;
		// _mcVerticalArray
		private var _mcVerticalArray:Array;
		// _verticalSprite
		private var _verticalSprite:Sprite;
		// _verticalSpriteMask
		private var _verticalSpriteMask:Sprite;
 
 
		// ------------------------------------------------------------------------------------------------- //
		//コンストラクタ
		public function Main()
		{
			//ステージスケールモード設定
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP_LEFT;
 
			init();
		}
		// ------------------------------------------------------------------------------------------------- //
 
		// ------------------------------------------------------------------------------------------------- //
		// 初期化
		private function init ():void
		{
 
			// _carouselDataHorizontal
			_carouselDataHorizontal = new CarouselData( { limitLeft : 0, limitTop : 0, limitRight : 360, limitBottom : 80, gutter : _gutter, direction : "horizontal" } );
 
 
			// _horizontalSprite
			_horizontalSprite = new Sprite();
			_horizontalSprite.graphics.beginFill( 0xF5F5F5 );
			_horizontalSprite.graphics.drawRect(0, 0, 360, 80);
			_horizontalSprite.graphics.endFill();
			_horizontalSprite.x = 30;
			_horizontalSprite.y = 10;
			addChild(_horizontalSprite);
 
			// _horizontalSpriteMask
			_horizontalSpriteMask = new Sprite();
			_horizontalSpriteMask.graphics.beginFill( 0xF5F5F5 );
			_horizontalSpriteMask.graphics.drawRect(0, 0, 360, 80);
			_horizontalSpriteMask.graphics.endFill();
			_horizontalSpriteMask.x = 30;
			_horizontalSpriteMask.y = 10;
			addChild(_horizontalSpriteMask);
 
			// mask
			_horizontalSprite.mask = _horizontalSpriteMask;
 
			// _mcHorizontalArray
			_mcHorizontalArray = new Array();
 
			var i:int = 0;
			var box:Sprite;
			var tf:TextField;
 
			for (i = 0; i < _mcNum; i++) {
				box = new Sprite();
				box.graphics.beginFill(0xFFFFFF * Math.random());
				box.graphics.drawRect(0, 0, 80, 80);
				box.graphics.endFill();
 
				tf = new TextField();
				tf.autoSize = TextFieldAutoSize.LEFT;
				tf.selectable = false;
				tf.mouseEnabled = false;
				tf.text = "Box" + String(i);
				box.addChild( tf );
 
				box.x = (i * 80) + (_gutter * ( i + 1 ));
				box.y = 0;
 
				_horizontalSprite.addChild(box);
 
				_mcHorizontalArray.push( box );
				_carouselDataHorizontal.push( _mcHorizontalArray[i] );
			}
 
			_carouselDataHorizontal.addEventListener( Event.CHANGE, onChangeHorizontal );
 
			addEventListener( Event.ENTER_FRAME, onEnterFrameHorizontal );
 
 
 
 
			// _carouselDataVertical
			_carouselDataVertical = new CarouselData( { limitLeft : 0, limitTop : 0, limitRight : 80, limitBottom : 272, gutter : _gutter, direction : "vertical" } );
 
 
			// _verticalSprite
			_verticalSprite = new Sprite();
			_verticalSprite.graphics.beginFill( 0xF5F5F5 );
			_verticalSprite.graphics.drawRect(0, 0, 80, 272);
			_verticalSprite.graphics.endFill();
			_verticalSprite.x = 30;
			_verticalSprite.y = 100;
			addChild(_verticalSprite);
 
			// _verticalSpriteMask
			_verticalSpriteMask = new Sprite();
			_verticalSpriteMask.graphics.beginFill( 0xF5F5F5 );
			_verticalSpriteMask.graphics.drawRect(0, 0, 80, 272);
			_verticalSpriteMask.graphics.endFill();
			_verticalSpriteMask.x = 30;
			_verticalSpriteMask.y = 100;
			addChild(_verticalSpriteMask);
 
			// mask
			_verticalSprite.mask = _verticalSpriteMask;
 
			// _mcVerticalArray
			_mcVerticalArray = new Array();
 
			for (i = 0; i < _mcNum; i++) {
				box = new Sprite();
				box.graphics.beginFill(0xFFFFFF * Math.random());
				box.graphics.drawRect(0, 0, 80, 80);
				box.graphics.endFill();
 
				tf = new TextField();
				tf.autoSize = TextFieldAutoSize.LEFT;
				tf.selectable = false;
				tf.mouseEnabled = false;
				tf.text = "Box" + String(i);
				box.addChild( tf );
 
				box.x = 0;
				box.y = (i * 80) + (_gutter * ( i + 1 ));
 
				_verticalSprite.addChild(box);
 
				_mcVerticalArray.push( box );
				_carouselDataVertical.push( _mcVerticalArray[i] );
			}
 
			_carouselDataVertical.addEventListener( Event.CHANGE, onChangeVertical );
			addEventListener( Event.ENTER_FRAME, onEnterFrameVertical );
 
        }
		// ------------------------------------------------------------------------------------------------- //
 
 
		// ------------------------------------------------------------------------------------------------- //
		private function onChangeHorizontal( e:Event ):void
		{
			for (var i:int = 0; i < _carouselDataHorizontal.data.length; i++) {
				_mcHorizontalArray[i].x = _carouselDataHorizontal.data[i].x;
				_mcHorizontalArray[i].y = _carouselDataHorizontal.data[i].y;
			}
		}
		// ------------------------------------------------------------------------------------------------- //
 
 
		// ------------------------------------------------------------------------------------------------- //
		private function onEnterFrameHorizontal( e:Event ):void
		{
			_carouselDataHorizontal.coordX += 1;
		}
		// ------------------------------------------------------------------------------------------------- //
 
 
		// ------------------------------------------------------------------------------------------------- //
		private function onChangeVertical( e:Event ):void
		{
			for (var i:int = 0; i < _carouselDataVertical.data.length; i++) {
				_mcVerticalArray[i].x = _carouselDataVertical.data[i].x;
				_mcVerticalArray[i].y = _carouselDataVertical.data[i].y;
			}
		}
		// ------------------------------------------------------------------------------------------------- //
 
 
		// ------------------------------------------------------------------------------------------------- //
		private function onEnterFrameVertical( e:Event ):void
		{
			_carouselDataVertical.coordY += 1;
		}
		// ------------------------------------------------------------------------------------------------- //
 
 
	}
}