http://www.asn.com.tw/flex/20091129.htm
20110827更新連結…
http://www.vercenter.nknu.edu.tw/flex/FacebookFriends/LongfellowHelloFlex.html
在 facebook 上登入，讀取好友名單及大頭照，再將大頭照轉成 BitmapMaterial，用這個材質生成 PLANE，再置入 PV3D 場景中。
效果跟效能，並不是絕對的反比關係。
SOURCE:
package study
{
import game.FacebookAP;
import com.facebook.data.users.FacebookUser;
import flash.display.Bitmap;
import flash.display.Loader;
import flash.display.LoaderInfo;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.BlurFilter;
import flash.net.URLRequest;
import flash.system.LoaderContext;
import org.papervision3d.core.effects.view.ReflectionView;
import org.papervision3d.core.math.Quaternion;
import org.papervision3d.cameras.CameraType;
import org.papervision3d.materials.BitmapMaterial;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.objects.primitives.Plane;
public class study21 extends ReflectionView
{
private var currentQuat:Quaternion = new Quaternion();
private var targetQuat:Quaternion = new Quaternion();
private var slerp:Number = 0;
private var fbRadius:Number;
private var carousel:DisplayObject3D = new DisplayObject3D();
private var isMouseDown:Boolean;
private var fb:FacebookAP;
private var save_mouseX:Number;
private var save_rotationY:Number;
private static var planeWidth:Number = 50;
private static var planeHeight:Number = 50;
public function study21()
{
super(0,0,true,false,CameraType.FREE);
this.addEventListener(Event.ADDED_TO_STAGE, init0);
}
private function init0( event:Event ):void
{
this.removeEventListener(Event.ADDED_TO_STAGE, init0);
fb = new FacebookAP();
fb.addEventListener( Event.COMPLETE, init1 );
fb.init();
}
private function init1( event:Event ):void
{
fb.removeEventListener( Event.COMPLETE, init1 );
opaqueBackground=0;
surfaceHeight = -5;
viewport.interactive=true;
viewportReflection.filters = [new BlurFilter(3,3,3)];
setReflectionColor(.7, .7, .7);
fbRadius = ( fb.friends.length * (planeWidth+planeWidth/2) )/(2*Math.PI);
camera.target = carousel;
camera.position = carousel.position;
camera.y = planeHeight/2;
camera.moveBackward( fbRadius+150 );
for( var i:int=0; i
{
var user:FacebookUser = fb.friends.getItemAt(i) as FacebookUser;
var lc:LoaderContext = new LoaderContext(true);
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener( Event.COMPLETE, onLoadBitmap );
if( user.pic_square == "" )
loader.load(new URLRequest( "images/q_silhouette.gif" ), lc );
else
loader.load(new URLRequest( user.pic_square ), lc);
}
scene.addChild(carousel);
this.addEventListener(Event.ENTER_FRAME, onENTER_FRAME );
this.stage.addEventListener( MouseEvent.MOUSE_DOWN, onMOUSE_DOWN );
this.stage.addEventListener( MouseEvent.MOUSE_UP, onMOUSE_UP );
}
private function onLoadBitmap( event:Event ):void
{
var bodyMaterial:BitmapMaterial = new BitmapMaterial( Bitmap(LoaderInfo(event.target).content).bitmapData );
bodyMaterial.interactive=true;
bodyMaterial.doubleSided=true
var plane:DisplayObject3D = new Plane( bodyMaterial,planeWidth,planeHeight,1,1 );
plane.rotationY = ( 360 / fb.friends.length ) * carousel.numChildren;
plane.moveForward( fbRadius );
plane.y = planeHeight/2;
carousel.addChild(plane);
}
private function onMOUSE_DOWN(e:Event):void
{
isMouseDown = true;
save_mouseX = this.stage.mouseX;
save_rotationY = carousel.rotationY;
}
private function onMOUSE_UP(e:Event):void
{
isMouseDown = false;
}
private function onENTER_FRAME(e:Event):void
{
if( isMouseDown )
{
carousel.rotationY = save_rotationY + (180/Math.PI)*Math.atan((save_mouseX-this.stage.mouseX)/(fbRadius+150));
} else {
carousel.rotationY -= ( this.stage.mouseX - this.stage.stageWidth/2 )/200;
slerp += (1 - slerp) * .05;
var quat:Quaternion = Quaternion.slerp( currentQuat, targetQuat, slerp );
carousel.transform = quat.matrix;
}
singleRender();
}
}
}
