• derived nodes inherit all messages from their base classes
  
• see reset method for default settings
  
• the mode options are points, lines, normals, bbox, and fill
  

constructor highlight

destructor ~highlight

method reset

1 set active to true
2 set the highlight mode to lines
3 set the highlight color to white
4 set the highlight normal length to 1.0
5 set the highlight width to 1.0

method message

1 include any combination of options
2 set the color with or without alpha
3 set the line width and point size
4 set the length of normals
5 turn highlighting on
6 turn highlighting off

method app

method setGSetHlight

1 if node type is pfGeode then set geoset properties

1.1 for each geode, call setGeosetTexture

2 else, if node type is pfGroup

2.1 call this function recursively on all children

method setActive

method setMode

method setColor

method setWidth

method setLength