package {
 import flash.display.*;
 import flash.events.*;
 import flash.filters.*;
 import flash.utils.*;
 import org.papervision3d.core.proto.*;
 import org.papervision3d.materials.shadematerials.*;
 import org.papervision3d.objects.*;
 import org.papervision3d.objects.primitives.*;
 import org.papervision3d.view.*;
 import org.papervision3d.cameras.*;
 import org.papervision3d.lights.*;
 import org.papervision3d.materials.*;
 import org.papervision3d.materials.utils.*;
 import caurina.transitions.Tweener;

 [SWF(width = "720", height = "480", frameRate = "60", backgroundColor="#FFFFFF")];

 public class shadowex extends BasicView {
  static private  const CUBE_ROUND      :uint = 2500;
  static private  const CUBE_SIZE       :uint = 600;
  static private  const CUBE_SEGMENT    :uint = 1;
  static private  const CUBE_AMOUNT     :uint = 10;
  static private  const CAMERA_POSITION :uint = 4500;
  static private  const LIGHT_POSITION  :uint = 2000;
  static private  const PLANE_SIZE      :uint = 8000;
  private var rotXValue:Number;
  private var rotZValue:Number;
  private var rotYValue:Number;

  private var light        :PointLight3D = new PointLight3D();
  private var shadowCaster :ShadowCaster = new ShadowCaster("shadow", 0, BlendMode.NORMAL, .25, [new BlurFilter(16, 16, 3)]); ;
  private var plane        :Plane;
  private var cube        :DisplayObject3D;
  private var lightModel   :DisplayObject3D;
  private var materials:MaterialsList;
  private var flatShaderMat:FlatShadeMaterial;
  public function shadowex() {
   super(0, 0, true, false, CameraType.TARGET);

   // shadow caster and movie material
   shadowCaster.setType(ShadowCaster.SPOTLIGHT);

   var sprite : Sprite = new Sprite();
   sprite.graphics.beginFill(0xEEEEEE, 1);
   sprite.graphics.drawRect(0, 0, 128, 128);
   sprite.graphics.endFill();
   var movieMat : MovieMaterial = new MovieMaterial(sprite, false, true, true);

   // add movieMaterial to plane
   plane = new Plane(movieMat, PLANE_SIZE, PLANE_SIZE, 4, 4);
   plane.pitch(90);
   plane.y = - CUBE_ROUND;
   scene.addChild(plane);
   /*
   cubes = scene.addChild(new DisplayObject3D());
   
   
   var i:int = CUBE_AMOUNT;
   while(i--)
   {
   var cube:Cube = new Cube(
   new MaterialsList( { all:new FlatShadeMaterial(light, 0xCCCCCC) } ),
   CUBE_SIZE, CUBE_SIZE, CUBE_SIZE,
   CUBE_SEGMENT, CUBE_SEGMENT, CUBE_SEGMENT);
   cube.x = CUBE_ROUND * Math.random() - CUBE_ROUND / 2;
   cube.y = CUBE_ROUND * Math.random() - CUBE_ROUND / 2;
   cube.z = CUBE_ROUND * Math.random() - CUBE_ROUND / 2;
   cube.scale = .8 * Math.random() + .2;
   cube.rotationX = 360 * Math.random();
   cube.rotationY = 360 * Math.random();
   cube.rotationZ = 360 * Math.random();
   cubes.addChild(cube);
   }
   */
   flatShaderMat = new FlatShadeMaterial (light, 0x000000, 0x333333);
   materials = new MaterialsList ();
   materials.addMaterial(flatShaderMat, "all");
   cube = new Cube(materials, 500, 500, 500, 3, 3, 3);
   ///
   lightModel = new Sphere(new WireframeMaterial(0xFFFF00), 100, 1, 1);
   scene.addChild(lightModel);
   scene.addChild(light);
   scene.addChild(cube);
   recalcValues();
   startRendering();
  }
  private function recalcValues():void {
   rotXValue = randomize (0, 360);
   rotYValue = randomize (0, 360);
   rotZValue = randomize (0, 360);
   Tweener.addTween(cube, {rotationX:rotXValue, rotationY:rotYValue, rotationZ: rotZValue, onUpdate:startRendering, onComplete:recalcValues, transition:"easeInOutElastic", time:3});
  }
  private function randomize(min:Number, max:Number):Number {
   return Math.random() * max - min + min;
  }
  override protected function onRenderTick(e:Event = null):void {
   shadowCaster.invalidate();
   shadowCaster.castModel(cube, light, plane);

   camera.x += (CAMERA_POSITION * Math.sin(mouseX / stage.stageWidth * 360 * Math.PI / 180) - camera.x) * .1;
   camera.z += (CAMERA_POSITION * Math.cos(mouseX / stage.stageWidth * 360 * Math.PI / 180) - camera.z) * .1;
   camera.y += (CAMERA_POSITION * mouseY / stage.stageHeight - CAMERA_POSITION / 2 - camera.y) * .1;

   light.x = LIGHT_POSITION * Math.sin(getTimer() / 2000);
   light.z = LIGHT_POSITION * Math.cos(getTimer() / 2000);
   light.y = LIGHT_POSITION * 1;

   lightModel.transform = light.transform
   ;
   super.onRenderTick(e);
  }
 }
}

package
{
    import flash.display.Sprite;
    import flash.events.Event;

    import org.papervision3d.cameras.Camera3D;
    import org.papervision3d.materials.special.ParticleMaterial;
    import org.papervision3d.objects.special.ParticleField;
    import org.papervision3d.render.BasicRenderEngine;
    import org.papervision3d.scenes.Scene3D;
    import org.papervision3d.view.Viewport3D;

    public class ExampleParticleMaterial extends Sprite
    {
        private var scene    :Scene3D;
        private var camera   :Camera3D;
        private var viewport :Viewport3D;
        private var renderer :BasicRenderEngine;
        private var material :ParticleMaterial;
        private var object   :ParticleField;

        public function ExampleParticleMaterial()
        {
            init();
            listen();
        }

        private function init():void
        {
            initScene();
            initCamera();
            initViewport();
            initRenderer();
            initMaterial();
            initObject();
        }

        private function initScene():void
        {
            scene = new Scene3D();
        }

        private function initCamera():void
        {
            camera = new Camera3D();
        }

        private function initViewport():void
        {
            viewport                  = new Viewport3D();
            viewport.autoScaleToStage = true;
            addChild(viewport);
        }

        private function initRenderer():void
        {
            renderer = new BasicRenderEngine();
        }

        private function initMaterial():void
        {
            material             = new ParticleMaterial(0x000000, 1);
            material.doubleSided = true;
        }

        private function initObject():void
        {
            object = new ParticleField(material);
            scene.addChild(object);
        }

        private function listen():void
        {
            addEventListener(Event.ENTER_FRAME, handleEnterFrame);
        }

        private function handleEnterFrame(e:Event):void
        {
            object.yaw(1);
            renderer.renderScene(scene, camera, viewport);
        }
    }
}