虚拟现实开发文档罗维03091350 1.功能概述运用vrml语言构造了一个虚拟现实世界。
运动物体包括气球，火车，汽车，交通灯等，静止物体包括山脉，树林，房屋，人物，花草，电话亭，国旗，座椅，广告牌，雨伞等，另外还包含背景和声音。
2.使用说明广告牌截图：程序：#VRML utf8Transform {translation #背景颜色children [Transform {translation 0children [#创建广告牌造型Shape {appearance Appearance{material Material {diffuseColor}}geometry Box { #广告牌size 12}}]}Transform {translationchildren [Shape {appearance Appearance{texture ImageTexture {url ""}material Material {diffuseColor}}geometry Box {size 11 #广告屏幕}}]}]}DEF leg Transform{ #广告柱子translation 5 -4scalechildren[Shape { # Shape 模型节点appearance Appearance{material Material { #空间物体造型外观diffuseColor #一种材料的漫反射颜色}}geometry Cylinder { #柱体节点radius #圆柱体半径height #圆柱体高top TRUE #圆柱体有顶#bottom TRUE #圆柱体有底bottom FALSEside TRUE #圆柱体有曲面}}]}Transform{ #椅子腿translation -10 0 0children USE leg}热气球截图：程序：#VRML utf8Group {children [Background{skyColor[]}#创建月球造型Transform{translation 0 0scale 1 1 1children[Shape { #银白颜色appearance Appearance{texture ImageTexture {url ""}material Material { #空间物体造型外观diffuseColor #一种材料的漫反射颜色ambientIntensity #多少环境光被该表面反射specularColor #物体镜面反射光线的颜色shininess #造型外观材料的亮度}}geometry Sphere { #球体radius 4}}]}]}Transform{translation 0 -4scale 1children[Shape {appearance Appearance{texture ImageTexture {url ""}material Material { #空间物体造型外观diffuseColor #一种材料的漫反射颜色ambientIntensity #多少环境光被该表面反射specularColor #物体镜面反射光线的颜色shininess #造型外观材料的亮度}}geometry Cylinder { #潜艇舰桥（嘹望塔）radiusheightside TRUEtop TRUEbottom TRUE}}]}热气球运动程序：#VRML utf8DEF fly1 Transform { #引入月球造型children Inline {url ""}}DEF Time1 TimeSensor { #时间传感器cycleInterval 32loop TRUE}DEF flyinter1 PositionInterpolator { #移动位置节点key [ #相对时间的逻辑值,,,,,,,,,,,,]keyValue [ #空间坐标的位置值与相对时间的逻辑值0 0 -20,0 -15,0 -9,20 0 0,0 9,0 150 0 200 150 9-20 0 00 -90 -150 0 -20]}ROUTE TOROUTE TO国旗截图：程序：#VRML utf8Group {children [Transform {translation -22 -3 22scalechildren [Transform{children [Shape {appearance Appearance {texture ImageTexture {url ""}}geometry Box {size 27 27 }}]}Transform {translation 0 15 0children [Shape {appearance Appearance {texture ImageTexture {url ""}}geometry Cylinder {radiusbottom TRUEtop TRUEheight 30side TRUE}}]}Transform {children [Shape {appearance Appearance {texture ImageTexture {url ""}}geometry Cylinder {radiusbottom TRUEtop TRUEheightside TRUE}}]}Transform {translation 4 28 0scale 2 2 2children [Shape {appearance Appearance {texture ImageTexture {url ""}}geometry Box {size }}]}]}]}Viewpoint {orientation 0 1 0position -15 -2 25}公共汽车截图：程序：#VRML utf8DEF Bus Transform {children [DEF body Shape {appearance Appearance {material DEF LtGray_Color Material {ambientIntensitydiffuseColor}texture ImageTexture {url ""}}geometry IndexedFaceSet {coord C oordinate {point [ 0 ,0 ,,,,,0 ,0 ,,,,]}coordIndex [ 0, 5, 4, 2, -1, 0, 2, 1,-1, 4, 3, 2, -1, 11, 6, 7,8, -1, 9, 10, 11, 8, -1 ]texCoord TextureCoordinate {point [ ,,,,,,,,,,,]}}}DEF front01 Shape {appearance Appearance {material USE LtGray_Colortexture ImageTexture {url ""}}geometry IndexedFaceSet {coord C oordinate {point [ 0 ,,,0 ,,]}coordIndex [ 3, 0, 1, 4, -1, 4, 1, 2,5, -1 ]texCoord TextureCoordinate {point [ ,,,,,]}}}DEF top01 Shape {appearance Appearance {material USE LtGray_Color}geometry IndexedFaceSet {coord C oordinate {point [ ,,,]}coordIndex [ 2, 0, 1, 3, -1 ]}}DEF back01 Shape {appearance Appearance {material USE LtGray_Color}geometry IndexedFaceSet {coord C oordinate {point [ 0 ,,,0 ,,]}coordIndex [ 4, 1, 2, 5, -1, 5, 2, 0,3, -1 ]}}]translation 0}汽车截图：程序：#VRML utf8Background{ #空间背景中，空中无颜色，即黑色。
