Swarm AI Toolkit – Flow Fields Mass Agent Navigation
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Flow Fields adds scalable grid navigation for swarms, layered movement zones, dynamic costs, terrain height support, and optimized rebuilds.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 APITarget cellDebug visualization for:Cost heatmapDirection vectorsNot IncludedSteering or local avoidancePhysics-based obstacle resolutionNavMesh integrationTerrain height samplingBuilt-in combat systemsThese systems are provided through other Swarm AI Toolkit modules.This asset was developed with assistance from AI tools. AI was used to help draft documentation, review code structure, suggest optimizations, and support implementation of selected C# systems. All generated or assisted content was reviewed, edited, tested, and integrated by the publisher. No AI-generated third-party copyrighted assets are knowingly included.
