flash on 2010-1-9

...
@author Charlie Schulze, charlie[at]woveninteractive[dot]com

forked:5
favorite:0
lines:109
license : MIT License
modified : 2010-01-09 21:21:42

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package 
{
	import flash.display.DisplayObject;
	import flash.display.MovieClip;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import gs.easing.Quint;
	import gs.TweenLite;
	import org.papervision3d.materials.BitmapFileMaterial;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.objects.primitives.Plane;
	import org.papervision3d.view.BasicView;
	
	/**
	 * ...
	 * @author Charlie Schulze, charlie[at]woveninteractive[dot]com
	 */
	
	public class Main extends BasicView 
	{
		protected var planes:Array = [];
		protected var numItems:Number = 20;
		protected var radius:Number = 500;
		protected var currentItem:Number = 0;
		
		protected var mat:BitmapFileMaterial;
		protected var planesHolder:DisplayObject3D;
		protected var rightBtn:Sprite;
		protected var leftBtn:Sprite;
		
		public function Main():void 
		{
			super();
			init();
		}
		protected function init():void 
		{
			createChildren();
			createButtons();
			commitProperties();
			startRendering();
		}
		protected function createChildren():void 
		{
			
			planesHolder = new DisplayObject3D();
			
			//Create Material
			mat 			= new BitmapFileMaterial("http://photos-a.ak.fbcdn.net/hphotos-ak-snc3/hs056.snc3/14358_161138964648_41600634648_2325234_6826951_n.jpg");
			mat.smooth 		= true;
			mat.doubleSided = true;
			
			for (var i:int = 0; i < numItems; i++) 
			{
				var plane:Plane = new Plane(mat, 150, 234);
				planes.push(plane);
				
				//Add plane to the scene
				planesHolder.addChild(plane);
			}
			scene.addChild(planesHolder);
		}
		
		protected function commitProperties():void 
		{ 
			//Set properties of our planes
			for (var i:int = 0; i < planes.length; i++) 
			{
				var angle:Number 	= Math.PI * 2 / numItems * i;
				var plane:Plane 	= planes[i];
				plane.x 			= Math.cos(angle) * radius;
				plane.z 			= Math.sin(angle) * radius;
				plane.rotationY 	= -360 / numItems * i - 90;
			}
			
			//Adjust camera
			camera.y = 200;
			
			//Rotate once
			rotate();
		}

//Rotates the carousel
		protected function rotate():void 
		{
			var rotateTo:Number = (-360 / numItems) * currentItem + 90;
			TweenLite.to(planesHolder, 1, { rotationY:rotateTo, ease:Quint.easeInOut } );
		}
		
		/*
		 * Everything below this point is just for creating / setting events for 
		 * controlling the carousel. 
		 */

protected function createButtons():void 
		{
			//Create Buttons
			rightBtn = createButton();
			leftBtn = createButton();
				
			addChild(leftBtn);
			addChild(rightBtn);
			
			//Add button listeners
			rightBtn.buttonMode = true;
			leftBtn.buttonMode = true;
			rightBtn.addEventListener(MouseEvent.CLICK, buttonClick);
			leftBtn.addEventListener(MouseEvent.CLICK, buttonClick);
						
			//Place buttons on stage
			rightBtn.x 			= stage.stageWidth - 120;
			leftBtn.x 			= 100;
			rightBtn.y 			=  stage.stageHeight -30;
			leftBtn.y 			=  (stage.stageHeight -30) + 20;
			leftBtn.rotation 	= 180;
		}
		
		//Button actions
		protected function buttonClick(evt:MouseEvent):void 
		{
			switch (evt.target)
			{
				case rightBtn:
				currentItem --;
				break;
				
				case leftBtn:
				currentItem ++;
				break;
			}
			rotate();
		}
		
		//Creates a simple arrow shape / returns the sprite
		protected function createButton():Sprite
		{
			var btn:Sprite = new Sprite();
			
			btn.graphics.beginFill(0x333333);
			btn.graphics.moveTo(0, 0);
			btn.graphics.lineTo(0, 20);
			btn.graphics.lineTo(10, 10);
			btn.graphics.lineTo(0, 0);
			btn.graphics.endFill();
			return btn;
		}
	}
}

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