Wander - gama-platform/gama GitHub Wiki
Path: Library models/Modeling/Spatial Topology/Agent movement/models/Wander on Graph.gaml
https://github.com/gama-platform/gama.old/blob/GAMA_1.9.2/msi.gama.models/models/Modeling/Spatial%20Topology/Agent%20movement/models/Wander%20on%20Graph.gaml