Basic HTML version of Foils prepared 5 August 97

Foil 2 Scripts and Execution Model in VRML'97

From VRML97 Scripting: Java Nodes and External Authoring Interface UC Web Applications Certificate -- July 24 1997. by Wojtek Furmanski and Balaji Natarajan
1 Script Nodes essentially give logic and state management to a VRML world.
2 Key feature of the execution model is that time advances in a VRML'97 scene in virtual units
3 Each time unit in the scene has an associated time value , called a timestamp.
4 Start of an Event Cascade signifies creation of a timestamp and attaching it to an event.
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