away3D操纵三维空间物体之旋转的球体实例

package{
	import flash.events.Event;
	import flash.display.Sprite;
	import flash.utils.getTimer;
	
	import away3d.core.base.*;    //核心库
	import away3d.core.math.*;    //数学对象
	import away3d.containers.*;    //容器库
	import away3d.primitives.*;    //几何体库
	
	public class HelloWorld extends Sprite{
		private var view:View3D;    //声明一个3D视口
		private var sphere:Object3D;    //声明一个球体对象
		
		public function HelloWorld(){
			view = new View3D({x:250, y:250});    //实例化视口(属性X\Y为视口的坐标值)
			this.addChild(view);    //将视口添加到场景
			//实例化球体对象(属性依次为：材质(球体颜色#线框颜色)、半径、横向分段、纵向分段、Y\X\Z的坐标值)
			sphere = new Sphere({material:"#0000FF", radius:200, segmentsW:20, segmentsH:30, y:50, x:20, z:30});
			view.scene.addChild(sphere);    //将球体添加到场景
			view.camera.position = new Number3D(1000, 1000, 1500);    //设置摄像机的镜头位置(X\Y\Z)
			view.camera.lookAt(sphere.position);
			this.addEventListener(Event.ENTER_FRAME, onMyEnterFrame);
		}
		
		private function onMyEnterFrame(event:Event):void{
			sphere.rotationY = getTimer() / 100;    //让球体沿着Y轴旋转,其值就是此球体的转速
			view.render();    //渲染视窗
		}
		
	}
}