package {
 
	import away3d.cameras.Camera3D;
	import away3d.containers.ObjectContainer3D;
	import away3d.containers.Scene3D;
	import away3d.containers.View3D;
	import away3d.debug.AwayStats;
	import away3d.lights.DirectionalLight;
	import away3d.materials.ColorMaterial;
	import away3d.materials.methods.FilteredShadowMapMethod;
	import away3d.primitives.Cube;
 
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.Event;
	import flash.geom.Vector3D;
 
	[SWF(backgroundColor="#FFFFFF", frameRate="60", width="1000", height="650")]
 
	/**
	 * @author Aymeric
	 */
	public class Main extends Sprite {
 
		private const _ORIGINE:Vector3D = new Vector3D(0, 0, 0);
		private const _NBR_ELEMENTS:uint = 250;
 
		private var _camera:Camera3D;
		private var _scene:Scene3D;
		private var _view:View3D;
		private var _container:ObjectContainer3D;
 
		private var _tab:Vector.<Cube>;
 
		private var _formOneElement:Boolean;
 
		private var _diffX:int, _diffY:int, _diffZ:int;
 
		public function Main() {
 
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP_LEFT;
 
			_scene = new Scene3D();
			_camera = new Camera3D();
			_view = new View3D();
			_view.antiAlias = 2;
			_view.backgroundColor = 0xEEEEEE;
			_view.camera = _camera;
			_view.scene = _scene;
 
			addChild(_view);
			addChild(new AwayStats(_view, false));
 
			_container = new ObjectContainer3D();
			_scene.addChild(_container);
 
			var light:DirectionalLight = new DirectionalLight(-1, -1, 1);
			light.color = 0xFFFFFF;
			light.castsShadows = true;
 
			_container.addChild(light);
			light.x = -15000;
			light.y = -15000;
			light.z = -15000;
 
			_camera.lookAt(_container.position);
 
			_tab = new Vector.<Cube>();
 
			var cube:Cube;
			var colorMaterial:ColorMaterial;
			for (var i:uint = 0; i < _NBR_ELEMENTS; ++i) {
 
				colorMaterial = new ColorMaterial(Math.random() * 0xFFFFFF);
				colorMaterial.lights = [light];
				colorMaterial.shadowMethod = new FilteredShadowMapMethod(light);
 
				cube = new Cube(colorMaterial, 50, 50, 50);
				_container.addChild(cube);
 
				if (i == 0)
					cube.x = Math.random() * 1000;
				else
					cube.x = (Math.random() > 0.5) ? Math.random() * 1000 : -Math.random() * 1000;
				cube.y = (Math.random() > 0.5) ? Math.random() * 1000 : -Math.random() * 1000;
				cube.z = (Math.random() > 0.5) ? Math.random() * 1000 : -Math.random() * 1000;
 
				_tab.push(cube);
			}
 
			_formOneElement = false;
 
			addEventListener(Event.ENTER_FRAME, _ef);
			stage.addEventListener(Event.RESIZE, _resize);
 
			_resize();
		}
 
		private function _ef(evt:Event):void {
 
			if (!_formOneElement) {
 
				if (_tab[0].x < 1000) {
 
					for each (var cube:Cube in _tab) {
 
						_diffX = 0 - cube.x;
						_diffY = 0 - cube.y;
						_diffZ = 0 - cube.z;
 
						cube.x -= _diffX * 0.05;
						cube.y -= _diffY * 0.05;
						cube.z -= _diffZ * 0.05;
					}
 
				} else {
					_formOneElement = true;
				}
 
			} else {
 
				if (_tab[0].x > 2) {
 
					for each (var cubeOne:Cube in _tab) {
 
						_diffX = 0 - cubeOne.x;
						_diffY = 0 - cubeOne.y;
						_diffZ = 0 - cubeOne.z;
 
						cubeOne.x += _diffX * 0.05;
						cubeOne.y += _diffY * 0.05;
						cubeOne.z += _diffZ * 0.05;
					}
 
				} else {
					_formOneElement = false;
				}
 
			}
 
			_view.camera.x = 3 * (stage.mouseX - stage.stageWidth * 0.5);
			_view.camera.y = 3 * (stage.mouseY - stage.stageHeight * 0.5);
			_view.camera.lookAt(_ORIGINE);
 
			_view.render();
		}
 
		private function _resize(evt:Event = null):void {
			_view.width = stage.stageWidth;
			_view.height = stage.stageHeight;
		}
	}
}