vrml.event

Routable event base-class for VRML environments

Classes

class Event( object ):

Routable event for VRML environments

__init__( self )

Initialize the Event object

visited( self , key , value = None )

Check for or register visitation of the given key

key: an opaque hashable value, normally the node and field/event as a tuple.
value: if provided, sets the current value, otherwise signals that the current value should be returned

return value: previous key value (possibly None)