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Many situations exist that require virtual crowds to be modelled via computer simulations on varying scales. Such simulations often have conflicting goals; the need for large and complex worlds with rich behaviours in agents, but at the same time, the need for fast performance provided by simpler agents with reasonable crowd authoring. Our goal in this chapter is to establish the tools and techniques required for simulating large-scale virtual crowds. We identify both macroscopic and microscopic simulation methods and detail application areas where there is the need for navigation and behaviour of agents around the simulation environment, to correspond to realism. Hence, we actively identify different classes of applications that form balances between the conflicting goals that exist in simulating virtual populations. |
