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| /*
* ---------------------------
* Paul Spitzer (c)
* ---------------------------
*/
package
{
//Flash
import flash.display.Sprite;
import flash.events.Event;
import flash.display.* ;
//import flash.display.BitmapData;
//import flash.display.Bitmap;
//import flash.display.BitmapDataChannel;
import flash.geom.Point;
import flash.filters.DisplacementMapFilter;
import flash.filters.DisplacementMapFilterMode;
import flash.geom.Rectangle;
//PaperVision3D
import spitzer.core.Application;
import org.papervision3d.cameras.Camera3D;
import org.papervision3d.scenes.Scene3D;
import org.papervision3d.objects.parsers.Collada;// ??
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.materials.BitmapMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.render.BasicRenderEngine;
import org.papervision3d.view.Viewport3D;
//
[SWF(backgroundColor="#000000", frameRate="30")]
/**
* Application class for the Fire Sphere demo
*/
public class FireSphere extends Application
{
// The fire texture
private var noise: BitmapData;
private var fireTexture: BitmapData;
private var texture: BitmapData;
private var material: BitmapMaterial;
private var octavesLen: Number = 2;
private var octaves: Array;
private var seed: Number = Math.random() * 100;
private var displacementFilter: DisplacementMapFilter;
private var filterRect: Rectangle;
private var filterPoint: Point;
private var channel: Number = BitmapDataChannel.RED | BitmapDataChannel.GREEN | BitmapDataChannel.BLUE | BitmapDataChannel.ALPHA;
// PV3D members
private var camera: Camera3D;
private var scene: Scene3D;
private var sceneContainer: Sprite;
private var sphere: Collada;
private var xRotContainer: DisplayObject3D;
//rajout
private var _renderer:BasicRenderEngine;
private var _viewport:Viewport3D;
/**
* Application constructor
*/
public function FireSphere()
{
this.configureTexture();
this.configureScene();
this.configureListeners();
}
// Initialization
/**
* Create the necessary pieces to render the fire texture
*/
private function configureTexture(): void
{
this.fireTexture = new FireTexture( 400, 200 );
var w: Number = 100;//this.fireTexture.width;
var h: Number = 100;//this.fireTexture.height;
this.noise = new BitmapData(w, h, true, 0x00000000);
this.texture = new BitmapData(w, h, true, 0xffffffff);
//BitmapMaterial.AUTO_MIP_MAPPING = false;
this.material = new BitmapMaterial(this.texture);
this.material.oneSide = false;
this.octaves = new Array();
for(var i: uint = 0; i < this.octavesLen; i++)
{
this.octaves.push(new Point(0, 0));
}
this.filterRect = new Rectangle(0, 0, w, h);
this.filterPoint = new Point(0, 0);
var mapPoint: Point = new Point(0, 0);
var componentX: Number = BitmapDataChannel.ALPHA;
var componentY: Number = BitmapDataChannel.ALPHA;
var scaleX: Number = 50;
var scaleY: Number = 150;
var mode: String = DisplacementMapFilterMode.IGNORE;
var color: Number = 0x00FFFFFF;
var alpha: Number = 0x00000000;
this.displacementFilter = new DisplacementMapFilter(this.noise, mapPoint, componentX, componentY, scaleX, scaleY, mode, color, alpha);
}
/**
* Configures the PV3D scene and associated objects
*/
private function configureScene(): void
{
this.camera = new Camera3D();
this.camera.z = -650;
this.sceneContainer = new Sprite();
this.sceneContainer.x = this.stage.width / 2;
this.sceneContainer.y = this.stage.height / 2;
this.addChild(this.sceneContainer);
var materialsList: MaterialsList = new MaterialsList();
materialsList.addMaterial(this.material, "Fire");
this.sphere = new Collada("Sphere.dae", materialsList);
this.scene = new Scene3D();
this.xRotContainer = new DisplayObject3D();
this.xRotContainer.addChild(this.sphere);
this.scene.addChild(this.xRotContainer);
//render - ajout
//this._renderer = new BasicRenderEngine();
//this._viewport = new Viewport3D(stage.stageWidth, stage.stageHeight, true, true);
}
/**
* Configures the necessary listeners
*/
private function configureListeners(): void
{
this.addEventListener(Event.ENTER_FRAME, this.handleEnterFrame);
this.stage.addEventListener(Event.RESIZE, this.handleResize);
}
// Event Handlers
/**
* Handles the enter frame event
*/
private function handleEnterFrame(event: Event): void
{
// Update material
var point: Point;
for(var i: uint = 0; i < this.octavesLen; i++)
{
point = this.octaves[i] as Point;
point.y += 3;
}
this.noise.perlinNoise(15, 15, this.octavesLen, this.seed, true, true, this.channel, false, this.octaves);
this.texture.applyFilter(this.fireTexture, this.filterRect, this.filterPoint, this.displacementFilter);
// Rotation
this.sphere.rotationY = -this.mouseX / this.stage.stageWidth * 540;
this.xRotContainer.rotationX = (this.mouseY / this.stage.stageHeight * 90) - 45;
// Render
// this.scene.renderCamera(this.camera);
// private function render($evt:Event):void
this._renderer.renderScene(this.scene, this.camera, this._viewport);
}
/**
* Handles the resize event from the stage and
* repositions the scene container.
*/
private function handleResize(event: Event): void
{
this.sceneContainer.x = this.stage.stageWidth / 2;
this.sceneContainer.y = this.stage.stageHeight / 2;
}
}
} |
