Write virtual world to VRML file
A vrworld object representing a virtual world.
Name of the VRML file to save the virtual world to.
The save method saves the current virtual world to a VRML97 file. The virtual world must be open for you to use this method.
The resulting file is a VRML97 compliant UTF-8 encoded text file. Lines are indented using spaces. Line ends are encoded as CR-LF or LF according to the local system default. Values are separated by spaces.