做三维全景图，需要找到一张全景照片，利用pv3d的立方体或球体贴图即可轻松实现。这里用的是球体，图片是在网上找的，有兴趣的朋友也可以自己做。
来源：(http://blog.sina.com.cn/s/blog_652776220100gomj.html) - Flex+pv3d 打造三维全景图_niutifa_新浪博客
源码：
package {
import flash.events.Event;
import flash.events.MouseEvent;
import org.papervision3d.cameras.CameraType;
import org.papervision3d.objects.primitives.Sphere;
import org.papervision3d.view.BasicView;
import org.papervision3d.materials.BitmapFileMaterial;
//设置舞台宽高、背景颜色、帧频
[SWF (width="460", height="300", backgroundColor="0xffffff", frameRate="30")]
public class pv3dwholeScene extends BasicView
{
private var sphere:Sphere;
private var w:Number=460;
private var h:Number=300;
private var angleX:Number;
private var angleY:Number;
private var over:Boolean=false;
public function pv3dwholeScene()
{
super(460,300,true, false,CameraType.FREE);
init();
}
private function init():void
{
initObj();
//注册帧频侦听用于不断刷新屏幕
addEventListener(Event.ENTER_FRAME,onEnterFrame);
//当鼠标移到舞台时注册侦听
stage.addEventListener(MouseEvent.MOUSE_OVER,onOver);
//当鼠标移出舞台时注册侦听
stage.addEventListener(MouseEvent.MOUSE_OUT,onOut);
}
private function initObj():void
{
var material:BitmapFileMaterial=new BitmapFileMaterial("images/yourImage.jpg");
//PV3D默认情况下不显示背面，doubleSided属性应设为true
material.doubleSided = true;
material.smooth = true;
//实例化球体 (由周长算出半径 S=2*PI*R)
sphere=new Sphere(material,98.68,20,20);
scene.addChild(sphere);
//把摄像机移到中心位置，PV3D摄像机的默认位置是camera.z=-1000
camera.z=0;
//摄象机的缩放参数，
camera.zoom=.8;
//摄象机的焦距
camera.focus=300;
}
private function onEnterFrame(e:Event):void
{
if(over)
{
//当over是真时设置摄像机的旋转角度
var xm:Number=stage.mouseX;
var ym:Number=stage.mouseY;
angleX=(w/2-xm)*-.004;
angleY=(h/2-ym)*-.002;
}
else
{
//当over是假时设置摄像机的旋转角度为0
angleX=0;
angleY=0;
}
// 旋转摄像机
camera.yaw(angleX);
camera.pitch(angleY);
//渲染
singleRender();
}
private function onOver(event:MouseEvent):void
{
over=true;//鼠标移到场景上为真
}
private function onOut(event:MouseEvent):void
{
over=false;//鼠标移出场景为假
}
}
}
本文转自博客园知识天地的博客，原文链接：pv3d 打造三维全景图，如需转载请自行联系原博主。
