• [ActionScript 3.0] Away3D 天空盒(skybox)例子


      1 /*
      2 
      3 SkyBox example in Away3d
      4 
      5 Demonstrates:
      6 
      7 How to use a CubeTexture to create a SkyBox object.
      8 How to apply a CubeTexture to a material as an environment map.
      9 
     10 Code by Rob Bateman
     11 rob@infiniteturtles.co.uk
     12 http://www.infiniteturtles.co.uk
     13 
     14 This code is distributed under the MIT License
     15 
     16 Copyright (c) The Away Foundation http://www.theawayfoundation.org
     17 
     18 Permission is hereby granted, free of charge, to any person obtaining a copy
     19 of this software and associated documentation files (the “Software”), to deal
     20 in the Software without restriction, including without limitation the rights
     21 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     22 copies of the Software, and to permit persons to whom the Software is
     23 furnished to do so, subject to the following conditions:
     24 
     25 The above copyright notice and this permission notice shall be included in
     26 all copies or substantial portions of the Software.
     27 
     28 THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     29 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     30 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     31 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     32 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     33 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     34 THE SOFTWARE.
     35 
     36 */
     37 
     38 package
     39 {
     40     import away3d.cameras.lenses.*;
     41     import away3d.containers.*;
     42     import away3d.entities.*;
     43     import away3d.materials.*;
     44     import away3d.materials.methods.*;
     45     import away3d.primitives.*;
     46     import away3d.textures.*;
     47     import away3d.utils.*;
     48     
     49     import flash.display.*;
     50     import flash.events.*;
     51     import flash.geom.Vector3D;
     52 
     53     [SWF(backgroundColor="#000000", frameRate="60", quality="LOW")]
     54     
     55     public class Basic_SkyBox extends Sprite
     56     {
     57         // Environment map.
     58         [Embed(source="../embeds/skybox/snow_positive_x.jpg")]
     59         private var EnvPosX:Class;
     60         [Embed(source="../embeds/skybox/snow_positive_y.jpg")]
     61         private var EnvPosY:Class;
     62         [Embed(source="../embeds/skybox/snow_positive_z.jpg")]
     63         private var EnvPosZ:Class;
     64         [Embed(source="../embeds/skybox/snow_negative_x.jpg")]
     65         private var EnvNegX:Class;
     66         [Embed(source="../embeds/skybox/snow_negative_y.jpg")]
     67         private var EnvNegY:Class;
     68         [Embed(source="../embeds/skybox/snow_negative_z.jpg")]
     69         private var EnvNegZ:Class;
     70         
     71         //engine variables
     72         private var _view:View3D;
     73         
     74         //scene objects
     75         private var _skyBox:SkyBox; 
     76         private var _torus:Mesh;
     77         
     78         /**
     79          * Constructor
     80          */
     81         public function Basic_SkyBox()
     82         {
     83             stage.scaleMode = StageScaleMode.NO_SCALE;
     84             stage.align = StageAlign.TOP_LEFT;
     85             
     86             //setup the view
     87             _view = new View3D();
     88             addChild(_view);
     89             
     90             //setup the camera
     91             _view.camera.z = -600;
     92             _view.camera.y = 0;
     93             _view.camera.lookAt(new Vector3D());
     94             _view.camera.lens = new PerspectiveLens(90);
     95             
     96             //setup the cube texture
     97             var cubeTexture:BitmapCubeTexture = new BitmapCubeTexture(Cast.bitmapData(EnvPosX), Cast.bitmapData(EnvNegX), Cast.bitmapData(EnvPosY), Cast.bitmapData(EnvNegY), Cast.bitmapData(EnvPosZ), Cast.bitmapData(EnvNegZ));
     98             
     99             //setup the environment map material
    100             var material:ColorMaterial = new ColorMaterial(0xFFFFFF, 1);
    101             material.specular = 0.5;
    102             material.ambient = 0.25;
    103             material.ambientColor = 0x111199;
    104             material.ambient = 1;
    105             material.addMethod(new EnvMapMethod(cubeTexture, 1));
    106             
    107             //setup the scene
    108             _torus = new Mesh(new TorusGeometry(150, 60, 40, 20), material);
    109             _view.scene.addChild(_torus);
    110             
    111             _skyBox = new SkyBox(cubeTexture);
    112             _view.scene.addChild(_skyBox);
    113             
    114             //setup the render loop
    115             addEventListener(Event.ENTER_FRAME, _onEnterFrame);
    116             stage.addEventListener(Event.RESIZE, onResize);
    117             onResize();
    118         }
    119         
    120         /**
    121          * render loop
    122          */
    123         private function _onEnterFrame(e:Event):void
    124         {
    125             _torus.rotationX += 2;
    126             _torus.rotationY += 1;
    127             
    128             _view.camera.position = new Vector3D();
    129             _view.camera.rotationY += 0.5*(stage.mouseX-stage.stageWidth/2)/800;
    130             _view.camera.moveBackward(600);
    131             
    132             _view.render();
    133         }
    134         
    135         /**
    136          * stage listener for resize events
    137          */
    138         private function onResize(event:Event = null):void
    139         {
    140             _view.width = stage.stageWidth;
    141             _view.height = stage.stageHeight;
    142         }
    143     }
    144 }
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  • 原文地址:https://www.cnblogs.com/frost-yen/p/4999953.html
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