[flash3d引擎]Away3d实例教程-贴图（texture mapping）

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本篇会包含以下内容：嵌入外部图片（Away3D支持所有falsh支持的格式图片），用于贴图。贴图原理几种贴图类型：BitmapMaterial,TransformBitmapMaterial,PhongBitmapMaterial.本例会用到的图片：
再看完整代码（Flex）：   1:  package   2:  {   3:      import away3d.cameras.Camera3D;   4:      import away3d.containers.Scene3D;   5:      import away3d.containers.View3D;   6:     7:      import away3d.materials.BitmapMaterial;   8:      import away3d.materials.PhongBitmapMaterial;   9:      import away3d.materials.TransformBitmapMaterial;  10:    11:      import away3d.primitives.Cube;  12:      import away3d.primitives.Cylinder;  13:      import away3d.primitives.Sphere;  14:      import away3d.primitives.T***s;  15:      import away3d.containers.ObjectContainer3D;  16:      import away3d.lights.DirectionalLight3D;  17:    18:      import away3d.core.math.Number3D;  19:      import away3d.core.utils.Cast;      20:    21:      import flash.display.Sprite;  22:      import flash.events.Event;      23:    24:      [SWF(width="700",height="600",backgroundColor="#000000")]  25:  publicclass textmapping extends Sprite  26:      {  27:  //声明变量  28:  privatevar view:View3D;  29:  privatevar cam:Camera3D;  30:  privatevar sce:Scene3D;  31:    32:  privatevar group:ObjectContainer3D;  33:  privatevar sphere:Sphere;  34:  privatevar cube:Cube;  35:  privatevar centerCube:Cube;  36:  privatevar t***s:T***s;  37:  privatevar cylinder:Cylinder;  38:  privatevar lightirectionalLight3D;  39:    40:  privatevar earthMaterial:BitmapMaterial;  41:  privatevar checkerMaterial:BitmapMaterial;  42:  privatevar away3dMaterialhongBitmapMaterial;  43:  privatevar tiledAway3dMaterial:TransformBitmapMaterial;  44:  privatevar woodMaterial:BitmapMaterial;  45:    46:  privatestaticconst ORBITAL_RADIUS:Number = 150;  47:  //插入图片资源用于贴图（分类flex里用Embed