IEEE Trans Vis Comput Graph - A Whole Surface Approach to Crowd Simulation on Arbitrary Topologies.

Tópicos

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Resumo

Recent crowd simulation algorithms do path planning on complex surfaces by breaking 3D surfaces into a series of 2.5D planes. This allows for path planning on surfaces that can be mapped from 3D to 2D with distortion, such as multistory buildings. However, the 2.5D approach does not handle path planning on curved surfaces such as spheres, asteroids, or insect colonies. Additionally, the 2.5D approach does not handle the complexity of dynamic obstacle avoidance when agents can walk on walls or ceilings. We propose novel path planning and obstacle avoidance algorithms that work on surfaces as a whole instead of breaking them into a 2.5D series of planes. Our "whole surface" approach simulates crowds on both multistory structures and highly curved topologies without changing parameters. We validate our work on a suite of 30 different meshes, some with over 100,000 triangles, with crowds of 1,000 agents. Our algorithm always averaged more than 40 FPS with virtually no stalling.

Resumo Limpo

recent crowd simul algorithm path plan complex surfac break d surfac seri d plane allow path plan surfac can map d d distort multistori build howev d approach handl path plan curv surfac sphere asteroid insect coloni addit d approach handl complex dynam obstacl avoid agent can walk wall ceil propos novel path plan obstacl avoid algorithm work surfac whole instead break d seri plane whole surfac approach simul crowd multistori structur high curv topolog without chang paramet valid work suit differ mesh triangl crowd agent algorithm alway averag fps virtual stall

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