osg课程第58课 cow解析

 Group {

    
   UniqueID Group_0
    
   DataVariance STATIC
    
   cullingActive TRUE
    
   num_children 1
    
   Geode {
    
     DataVariance DYNAMIC
    
     name "cow.osg"
    
     cullingActive TRUE
    
     num_drawables 1
    
     Geometry {
    
       DataVariance DYNAMIC
    
       StateSet {//渲染状态集
    
     DataVariance STATIC
    
     rendering_hint OPAQUE_BIN
    
     renderBinMode INHERIT
    
     GL_CULL_FACE OFF
    
     GL_LIGHTING ON
    
     Material {//材质
    
       DataVariance STATIC
    
       ColorMode OFF
    
       ambientColor 0.5