Sandy引擎学习笔记： 三维效果初试

 

 

 

经过一个上午的学习，感觉到这个sandy 发布的as3.0 真的很强大，看了官方一些介绍，把它做了出来

 

1. package 
2. {
4.     import flash.display.Sprite;
5.     import flash.events.*;
6.     import sandy.core.Scene3D;
7.     import sandy.core.scenegraph.*;
8.     import sandy.primitive.*;
9.     import sandy.core.data.*;
10.     import sandy.materials.*;
11.     import sandy.materials.attributes.*;
12.     import flash.display.BitmapData;
13.     import flash.display.Bitmap;
14.     import flash.ui.Keyboard;
18.     public class DD extends Sprite
19.     {
20.         private var scence:Scene3D;
21.         private var camera:Camera3D;
22.         private var box:Box;
23.         private var rot:int=45;
24.         private var img:Mypic;
25.         private var bitmap:Bitmap;
26.         private var up:Boolean;
27.         private var down:Boolean;
28.         private var left:Boolean;
29.         private var right:Boolean;
30.         public function DD()
31.         {
32.             img=new Mypic(0,0);
33.             bitmap=new Bitmap(img);
34.             camera=new Camera3D(500,400);//建立一个摄影机
35.             camera.z=-400;
36.             var group:Group=createScence();
38.             scence=new Scene3D("scene1",this,camera,group);//建立一个场景
39.             scence.root.addChild(camera);
40.             addEventListener(Event.ENTER_FRAME,Run);
41.             stage.addEventListener(KeyboardEvent.KEY_DOWN,KeyDown);
42.             stage.addEventListener(KeyboardEvent.KEY_UP,KeyUp);
43.             stage.addEventListener(Event.ENTER_FRAME,Runing);
44.         }
45.         private function createScence():Group
46.         {
47.             //添加材质
48.             //第一步,设置材质属性
49.             var materia:MaterialAttributes =new MaterialAttributes(
50.             new LightAttributes(true,0.3),
51.             new LineAttributes(1,0x2111BB,1)
52.             );
55.             //第二步,设置材质属性
57.             var material:Material = new ColorMaterial( 0xFFCC33, 1, materia );//显示颜色材质属性
58.             var material2:Material = new BitmapMaterial(bitmap.bitmapData);//显示颜色材质属性
60.             material.lightingEnable = true;
61.             material.lightingEnable=true;
62.             var app:Appearance = new Appearance( material);//指定材质给可视物体
63.             var app2:Appearance = new Appearance( material2 );//指定材质给可视物体纹理贴图
66.             var g:Group=new Group();
67.             box=new Box("mybox",100,100,100);
68.             box.appearance = app;
69.             box.appearance = app2;
70.             g.addChild(box);
71.             return g;
74.         }
75.         private function Run(event:Event):void
76.         {
77.             box.rotateX=rot;
78.             box.rotateY=45;
79.             rot+=1;
80.             scence.render();//渲染场景
81.         }
82.         private function KeyDown(event:KeyboardEvent):void
83.         {
84.             switch (event.keyCode)
85.             {
86.                 case Keyboard.UP :
87.                     up=true;
88.                     break;
90.                 case Keyboard.DOWN :
91.                     down=true;
92.                     break;
94.                 case Keyboard.LEFT :
95.                     left=true;
96.                     break;
98.                 case Keyboard.RIGHT :
99.                     right=true;
100.                     break;
105.             }
106.         }
107.         private function KeyUp(event:KeyboardEvent):void
108.         {
110.             if (event.keyCode==Keyboard.UP)
111.             {
112.                 up=false;
113.             } else if (event.keyCode==Keyboard.DOWN)
114.             {
115.                 down=false;
116.             } else if (event.keyCode==Keyboard.LEFT)
117.             {
118.                 left=false;
119.             } else if (event.keyCode==Keyboard.RIGHT)
120.             {
121.                 right=false;
122.             } else
123.             {
124.             }
126.         }
127.         private function Runing(event:Event):void
128.         {
129.             if (up)
130.             {
131.                 camera.z+=8;
132.                 //camera.scaleY+=4;
134.             } else if (down)
135.             {
136.                 camera.z-=8;
137.             } else if (left)
138.             {
139.                 camera.pan+=2;
141.             } else if (right)
142.             {
143.                 camera.pan-=2;
144.             } else
145.             {
146.             }
147.         }
148.     }
153. }

 

感觉还不错，把这个贴图了一下，三维的效果都出来了，加上了摄影机，效果都不错。

但是感觉到3d计算都很大，当我把这个东西放大的时候，cpu占有率高出了很多，有兴趣的人可以去官方网下载类库，还有帮助文档。

 

这个玩意不是一个玩具，但是热爱flash 的人都会把它记住