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Swarm AI Toolkit – Flow Fields adds high-performance, grid-based global navigation for large groups of agents.
Designed to work with Swarm AI Toolkit - Core.Swarm AI Toolkit – Flow FieldsFlow Fields is the navigation module of the Swarm AI Toolkit, providing scalable, grid-based global movement for large groups of agents.Instead of calculating individual paths per agent, Flow Fields generates a shared directional field across a grid. Agents sample this field to determine their movement direction, allowing thousands of units to navigate efficiently toward a target with minimal overhead.This approach is ideal for RTS games, crowd simulations, swarm behaviors, and large-scale NPC systems where performance and stability are critical.Flow Fields integrates directly with Swarm AI Toolkit – Core and leverages its system-driven update architecture.How It WorksA cost field is generated from a target position.A direction field is computed across the grid.Agents sample the grid at runtime.Movement remains fully system-driven and physics-free.No per-agent pathfinding.No NavMesh dependency.No Rigidbody movement.Designed for ScaleFlow Fields allows hundreds or thousands of agents to:Move toward shared objectivesReact to dynamic target changesRecalculate efficiently when neededMaintain stable performance at large scalesIt is particularly well suited for:RTS unit movementTower defense gamesMOBA minion wavesSwarm AILarge background crowdsRequiresSwarm AI Toolkit – CoreFlow Fields builds on Core’s simulation architecture and spatial systems.Core FeaturesGrid-based flow field generationShared direction field for all agentsDynamic goal updatesCost field computationOptional obstacle stamping supportNon-alloc agent samplingFully system-driven integration with Swarm CorePhysics-free movement modelPerformance CharacteristicsNo per-agent A* pathfindingO(grid) field generationScales efficiently with large agent countsSuitable for 1,000+ agents depending on grid resolutionIncluded SystemsFlow field grid managerCost field builderDirection field generatorRuntime sampling APIDebug visualization for:Cost heatmapDirection vectorsTarget cellNot IncludedSteering or local avoidancePhysics-based obstacle resolutionNavMesh integrationTerrain height samplingBuilt-in combat systemsThese systems are provided through other Swarm AI Toolkit modules.