#VRML V2.0 utf8

WorldInfo {
        title "神龙词"
        info [
        "Author: 金臂螳螂"
        "Date: Feb. 28, 1998 (Sat)",
        ]
}

NavigationInfo {
        type "EXAMINE"
        headlight TRUE
        speed 1.0
}

Background {
        frontUrl ["stand.gif"]    #背景图象的路径
        backUrl ["stand.gif"]
        topUrl ["stand.gif"]
        bottomUrl ["stand.gif"]
        leftUrl ["stand.gif"]
        rightUrl ["stand.gif"]
}      

Billboard {       #Billboard 是组合指令，它使所规定的物体与虚拟实境整体不
   axisOfRotation 0 1 0	    #在一个轴向转动。
   bboxSize 7.0 7.0 0.2	 #此指令用以包含其子物体。 
   children [
      Shape {
	 appearance Appearance {
	    material Material { 
           diffuseColor 1.0 1.0 0.0
          }
	 }
	 geometry Text {    #虚拟实境中的文字
	    string ["Dragon's","Shrine" ]
	    fontStyle FontStyle {
	       family "ARIAL"
	       style "ITALIC"
	       justify [ "MIDDLE" "MIDDLE"]
	       spacing 1.5			
	       size 1.5				
	    }
	 }
      },

      Transform {
	 translation 0.0 -0.0 -0.06
	 children [
	    Shape {
	       appearance Appearance {
		  material Material { 
                diffuseColor 0.5 0.5 0.5
                transparency 0.6
             }
	       }
	       geometry Box { size 7.0 7.0 0.1 }  #板状体
	    }
	 ]
      }
   ]
}

Group {
   children [
      Transform {
	 translation 8.0 8.0 1.0
	 children DEF Sphere Inline {   #Inline 指令可令被指令的文件重复引用。
	       bboxSize   2.0 2.0 2.0   #这里是DEF Sphere，即sphere.wrl。 
	       bboxCenter 0.0 0.0 0.0  
	       url "sphere.wrl"	   #这个虚拟实境是个圆球，表面粘贴了龙的图案。     
	 }
      },

      Transform {
	 translation -8.0 8.0 -1.0
	 children USE Sphere    #在这里 USE Sphere 将引用sphere.wrl。
      },

      Transform {
	 translation 8.0 -8.0 -1.0
	 children USE Sphere
      },

      Transform {
	 translation -8.0 -8.0 1.0
	 children USE Sphere
      }
   ]
}

Group {  #规定视点的指令群，请注意顺序的不同。
   children [
      DEF EntryView Viewpoint {
	 fieldOfView 1.27	    
	 orientation 0 0 -1 0	   
	 position 0.0 0.0 12.0	    
	 description "EntryView"    
      },

      DEF BackView Viewpoint {
	 fieldOfView 1.57	    
	 orientation 0 1 0 3.14	    
	 position 0.0 0.0 -12.0	    
	 description "BackView"	    
      }
   ]
}