import flash.display.Sprite;
import flash.events.Event;
	
import org.papervision3d.view.Viewport3D;
import org.papervision3d.scenes.Scene3D;
import org.papervision3d.cameras.Camera3D;
import org.papervision3d.materials.*;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.primitives.*;
import org.papervision3d.render.BasicRenderEngine;
import caurina.transitions.Tweener;

var viewport:  Viewport3D;
var scena:     Scene3D;
var camera:    Camera3D;
var materiale: ColorMaterial;
var renderer:  BasicRenderEngine;

viewport = new Viewport3D(550, 400, false, true);
addChild(viewport);
scena = new Scene3D();
camera = new Camera3D();
renderer = new BasicRenderEngine();
	
materiale = new ColorMaterial(0x333333);
	
var cubo1:Cube = new Cube(
    new MaterialsList({all:new ColorMaterial(0x330033)}),
    300, 200, 150);

var cubo2:Cube = new Cube(new MaterialsList(
    {all:new ColorMaterial(0x333300)}),
    300, 200, 150);
    
posiziona(cubo1,0,-200,100);
posiziona(cubo2,-300,-200,-200);
cubo1.rotationY = 30;
cubo2.rotationY = 30;
scena.addChild(cubo1);
scena.addChild(cubo2);

Tweener.addTween(camera, { x:-2900, y:1400, z:0,
                           time:5, transition:"easeinoutexpo",
                           onComplete:anim}
);

function anim ()
{
  if (camera.x==-2900) Tweener.addTween(camera, 
                       { x:0, y:2900, z:-100,
                         time:5, transition:"easeinoutexpo",
                         onComplete:anim });
                         
  if (camera.x==0) Tweener.addTween(camera, 
                   { x:-300, y:-850, z:-700, 
                     time:5, transition:"easeinoutexpo",
                     onComplete:anim });

  if (camera.x==-300) Tweener.addTween(camera, 
                      { x:-2900, y:1400, z:0, time:5,
                        transition:"easeinoutexpo",
                        onComplete:anim });
 // trace (camera.x);
}

addEventListener(Event.ENTER_FRAME, onEnterFrame);

function onEnterFrame(e:Event):void
{
  camera.lookAt(cubo1);
	renderer.renderScene(scena, camera, viewport);
}

function posiziona(do3d,x,y,z)
{
  do3d.x=x;
  do3d.y=y;
  do3d.z=z;
}