away3d video material demo

很久沒碰 away3d，最近因為專案需要，重新看了一下，
這才發現 away3d 做了不少更動，
本篇是以 away3d 3.6 進行 demo
以 videoMaterial 當材質
建立一個可轉動的 cube。

	package
	{
	import away3d.cameras.Camera3D;
	import away3d.containers.ObjectContainer3D;
	import away3d.containers.Scene3D;
	import away3d.containers.View3D;
	import away3d.materials.VideoMaterial;
	import away3d.primitives.Cube;
	import away3d.primitives.Trident;
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.Event;
	import flash.events.MouseEvent;
	public class Main extends Sprite
	{
	private var scene:Scene3D;
	private var camera:Camera3D;
	private var view:View3D;
	private var material:VideoMaterial;
	private var cube:Cube;
	private var container:ObjectContainer3D;
	private var lastRotationX:Number;
	private var lastRotationY:Number;
	private var move:Boolean;
	private var lastMouseY:Number;
	private var lastMouseX:Number;
	public function Main():void
	{
	if (stage) init();
	else addEventListener(Event.ADDED_TO_STAGE, init);
	}
	private function init(e:Event = null):void
	{
	removeEventListener(Event.ADDED_TO_STAGE, init);
	// entry point
	stage.align = StageAlign.TOP_LEFT;
	stage.scaleMode = StageScaleMode.NO_SCALE;
	init3D();
	}
	private function init3D():void
	{
	scene = new Scene3D();
	camera = new Camera3D();
	camera.z = -1000;
	view = new View3D();
	view.x = stage.stageWidth / 2;
	view.y = stage.stageHeight / 2;
	view.scene= scene;
	view.camera = camera;
	addChild(view);
	var axis:Trident = new Trident(250, true);
	scene.addChild(axis);
	// 拿 flv 的材質
	material = new VideoMaterial();
	material.loop = true;
	material.file = "video/1.flv";
	material.smooth = true;
	cube = new Cube();
	cube.material = material;
	cube.width = 200;
	cube.height = 200;
	cube.depth = 200;
	container = new ObjectContainer3D(cube);
	scene.addChild(container);
	addEventListener(Event.ENTER_FRAME, _onEnterFrame);
	addEventListener(Event.ADDED_TO_STAGE, _onAddedToStage);
	}
	private function _onAddedToStage(e:Event):void
	{
	removeEventListener(Event.ADDED_TO_STAGE, _onAddedToStage);
	view.x = stage.stageWidth / 2;
	view.y = stage.stageHeight / 2;
	stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
	stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
	}
	private function onMouseUp(e:MouseEvent):void
	{
	move = false;
	}
	private function onMouseDown(e:MouseEvent):void
	{
	lastRotationX = container.rotationX;
	lastRotationY = cube.rotationY;
	lastMouseX = mouseX;
	lastMouseY = mouseY;
	move = true;
	}
	private function _onEnterFrame(e:Event):void
	{
	if (move) {
	container.rotationX = (mouseY - lastMouseY)/10 + lastRotationX;
	if (container.rotationX > 90)
	container.rotationX = 90;
	if (container.rotationX < -90)
	container.rotationX = -90;
	cube.rotationY = (lastMouseX - mouseX)/10 + lastRotationY;
	}
	view.render();
	}
	}
	}

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