【Away3D】初步认识[通俗易懂]

 1 package zen.funny  2 {  3 import com.greensock.TweenLite;  4  5 import flash.display.Sprite;  6 import flash.display.StageAlign;  7 import flash.display.StageScaleMode;  8 import flash.events.Event;  9 import flash.events.MouseEvent;  10  11 import away3d.containers.View3D;  12 import away3d.controllers.HoverController;  13 import away3d.entities.Mesh;  14 import away3d.materials.TextureMaterial;  15 import away3d.primitives.CubeGeometry;  16 import away3d.textures.BitmapTexture;  17  18 [SWF(backgroundColor="#000000", frameRate="60", quality="LOW")]  19 public class CubeTest extends Sprite  20  {  21 [Embed(source="../../assets/images/floor_normal.jpg")]  22 private var grassClass:Class;  23  24 private var _view3D:View3D;  25 private var cameraController:HoverController;//360全景展示相机控制器  26 private var box:Mesh;  27  28 private var lastPanAngle:Number;  29 private var lastTiltAngle:Number;  30 private var lastMouseX:Number;  31 private var lastMouseY:Number;  32 private var move:Boolean;  33  34 public function CubeTest()  35  {  36 super();  37  addEventListener(Event.ADDED_TO_STAGE, init);  38  }  39  40 private function init(e:Event):void  41  {  42 stage.scaleMode = StageScaleMode.NO_SCALE;  43 stage.align = StageAlign.TOP_LEFT;  44  45 //渲染3D视窗  46 _view3D = new View3D();  47 _view3D.antiAlias = 4; //抗锯齿平滑系数，2的幂,设置越高锯齿越不明显  48 this.addChild(_view3D);  49  50 //将位图数据转换成贴图材质  51 var bmpTexture:BitmapTexture = new BitmapTexture(new grassClass().bitmapData); //位图纹理，记录贴图信息  52 var material:TextureMaterial = new TextureMaterial(bmpTexture); //位图材质，将材质贴到模型上的皮肤  53  54 var cubeSize:uint = 500;  55 var cube:CubeGeometry = new CubeGeometry(cubeSize, cubeSize, cubeSize); //Geometry相当于骨架  56  57 //Geometry几何体  58 box = new Mesh(cube,material); //Mesh相当于是附着在Geometry上的皮肤，没有Mesh的Geometry是不能被显示的  59  _view3D.scene.addChild(box);  60  initCamera();  61  62 // 添加侦听器来渲染3D世界  63  addEventListener(Event.ENTER_FRAME, enterFrameHandler);  64  stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);  65  stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);  66  stage.addEventListener(MouseEvent.MOUSE_WHEEL,onWheel);  67  }  68  69  70 private function initCamera():void  71  {  72 //创建摄像机功能  73 cameraController = new HoverController(_view3D.camera);  74 cameraController.distance = 1000; //摄像机和目标点距离  75 cameraController.minTiltAngle = 0; //摄像机以Y轴旋转最小角度  76 cameraController.maxTiltAngle = 90; //摄像机以Y轴旋转最大角度  77 cameraController.panAngle = 45; //摄像机以Y轴旋转角度  78 cameraController.tiltAngle = 20; //摄像机以X轴旋转角度  79  }  80  81 private function onWheel(e:MouseEvent):void  82  {  83 if(e.delta > 0)  84  {  85 if(cameraController.distance < 1000)  86 TweenLite.to(cameraController,.5,{distance:cameraController.distance + 100});  87  }  88 else  89  {  90 if(cameraController.distance > 600)  91 TweenLite.to(cameraController,.5,  92 {distance:cameraController.distance - 100});  93  }  94  }  95  96 private function onMouseDown(event:MouseEvent):void  97  {  98 lastPanAngle = cameraController.panAngle;  99 lastTiltAngle = cameraController.tiltAngle; 100 lastMouseX = stage.mouseX; 101 lastMouseY = stage.mouseY; 102 move = true; 103  } 104 105 private function onMouseUp(event:MouseEvent):void 106  { 107 move = false; 108  } 109 110 private function enterFrameHandler(event:Event):void 111  { 112 // 渲染3D世界 113 if (move) 114  { 115 cameraController.panAngle = 0.3 * (stage.mouseX - lastMouseX) + lastPanAngle; 116 cameraController.tiltAngle = 0.3 * (stage.mouseY - lastMouseY) + lastTiltAngle; 117  } 118  _view3D.render(); 119  } 120  } 121 }

normalMethod >ambientMethod >shadowMethod >diffuseMethod >specularMethod >colorTransform >其它通过addMethod()方法添加的Method

 1 //创建一个skybox,6块贴图大家自己找,官方demo里有  2 var cubeTexture:BitmapCubeTexture = new BitmapCubeTexture("6块贴图")  3 scene.addChild(new SkyBox(cubeTexture));  4 //创建一个宽高长均为500的方块  5 var cubeGeometry:CubeGeometry = new CubeGeometry(500, 500, 500);  6 var cubeMaterial:ColorMaterial = new ColorMaterial();  7 cubeMaterial.specular = 0.8;  8 cubeMaterial.alpha = 0.5;  9 //因为要反射skybox的环境,所以共用skybox的贴图材质 10 //如果你想反射别的东西,也可以使用别的材质 11 cubeMaterial.addMethod(new EnvMapMethod(cubeTexture)); 12 var cubeMesh:Mesh = new Mesh(cubeGeometry, cubeMaterial); 13 scene.addChild(cubeMesh);