Agent-based modeling is a computer science / social science tool for modeling the behavior of individuals, vehicles and any other autonomous entity that reacts to its environment. SimuLaw is an integration of Processing with the agent-based modeling tool RePast Simphony as s simple demonstration of the ways laws and law enforcement affect individual and group behavior. By modifying parameters such as “Pedestrian Caution”, “Penalty for Getting Caught” or “Likelihood of a Ticket”, uses can see that the impact of well-intentioned laws may have the opposite effect of that intended. It was also an exercise in combining Processing and with a complex pre-existing Java library.