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Tcl scripts and time

Nodes can participate in the time flow even if there are no Objective C animated objects within the node. It is possible to force the time manager to be created and activated. Then, the update script of the node can query the time manager as to the state of the animation and take appropriate action. For example, this is how movies are recorded from the output of the viewers. If there is special actions to be taken at the beginning or end of an animation, then the node should provide procedures named beginAnimation and endAnimation to perform these actions.

Copyright © 1997 Sonderforschungsbereich 288, Differential Geometry and Quantum Physics, TU-Berlin