AI Navigation System | NavMesh

2022.12.012026.01.22

ホーム > AI・NPC > ナビメッシュ

NavMesh

入口におすすめ

基本のナビゲーション | 公式ドキュメント

ドキュメント

ナビゲーションシステム

公式ラーニング

2025/06/19 AI: Moving Platform with static NavMesh
2022/02/03 FAQ: AI (Artificial Intelligence)
UE4.22 Introduction to AI with Blueprints 基礎

サンプル

機能別サンプル | NavMesh

公式 YouTube | 英語 ≫日本語読み上げ

2025/11/30 Crafting Scalable AI for a AAA Souls-Like Game in Unreal Engine | Unreal Fest Stockholm 2025 最適化
2015/04/21 Basics of AI

勉強会

CEDiL (要ログイン)　CEDEC2024 『FINAL FANTASY VII REBIRTH』における背景コリジョン及びナビメッシュの生成事例～広がった世界への対応と発生した問題、その対策について～
動画　2018/06/07 Navigation Systemを使ってみよう！

エピックゲームズジャパン

2020/12/19 ナビゲーションシステムの概要 | Ken Kuwano
2020/12/19 ナビゲーション機能を提供するクラス-2 | Ken Kuwano
2020/12/19 ナビゲーション機能を提供するクラス-1 | Ken Kuwano
2020/12/19 ナビゲーションのパフォーマンス | Ken Kuwano
2020/12/19 ナビゲ―ション機能を調整する | Ken Kuwano
2020/12/19 ナビゲーションシステムの設定とコマンド | Ken Kuwano
2020/12/19 RecastDemoを使ったシミュレーション | Ken Kuwano
2020/12/19 エージェントのナビメッシュ設定を.iniファイルから設定する | Ken Kuwano
2019/12/02 ナビメッシュの自動更新を抑える | Osamu Saito

ブログ

フォーラム

2024/11/26 ナビメッシュの２重生成をコントロールする設定
2018/12/11 ナビメッシュの特定の部分を消したい

ブログ　英語

2025/12/14 Traversal Navigation Data | UNREAL ENGINE RESOURCES 経路探索拡張

YouTube

2024/02/05 NavigationPath付けてみた！ | SeaJet_ch
2024/01/29 キャラクターをAutoで移動させてみた！ | SeaJet_ch
2024/01/22 街中を歩き回るNPCを作ってみよう！ | SeaJet_ch
2023/11/20 向かって来る敵作ってみた！その1【FPS】 | SeaJet_ch
2021/10/15 ナビメッシュで超簡単！経路探索 | 九里江めいく

X

Move to 系統

ドキュメント

基本のナビゲーション

ブログ

YouTube

Unreal Engine Issues / AI – Navigation

Fixed

UE5.8 UE-229996 After changing SupportedAgent settings, old Recast nav mesh actor is not deleted when saving map with External Actors (OFPA) enabled
UE5.8 UE-208487 “Build All Levels” does not re-AddNavigationSystemToWorld
UE5.8 UE-298038 [AI] Spatially loaded objects in a WP map that are unloaded do not contribute to the navmesh when Build Paths is run
UE5.8 UE-309742 [AI] Changing NavMesh Resolution in config file does not update the quantFactor of existing navmesh
UE5.8 UE-170757 Navmesh rebuild always occurs on Startup map immediately after starting editor
UE5.8 UE-308998 EncompassesPoint always returns false on ANavMeshBoundsVolume due to missing BodyInstance
UE5.8 UE-313874 AreaNavModifiers generated by SplineNavModifierComponent have the component-to-world transform incorrectly applied twice
UE5.8 UE-350551 [AI] Bad entries in NavigationRepository for Box collision with bCanEverAffectNavigation set to false
UE5.7.2 UE-356359 DoDeferredRender will not UpdateBound correctly when NavigationCachedBoundsUpdated
UE5.7 UE-237565 Recast: FindDistanceToWall can return incorrect results on shared edges with Excluded Nav Area
UE5.6.1 UE-296535 [AI] Area Class to Replace does not work on SplineNavModifierComponent
UE5.6 UE-272945 Navigation mesh is generated ignoring collision for ISM added by construction script
UE5.6 UE-244904 [AI] Navigation System can be constructed in situations where the NavigationObjectRepository subsystem is not valid
UE5.6 UE-272945 Navigation mesh is generated ignoring collision for ISM added by construction script
UE5.6 UE-237304 Editor FPS has significant drop when moving a BSP brush in level with multiple BSPs
UE5.6 UE-256958 [AI] The ZoneGraph show flag is in the ZoneGraphEditor module but used during runtime in ZoneGraph module
UE5.6 UE-251496 TRASH_Comp in Octree that missing unregister
UE5.6 UE-239911 Crash when toggling the SmartLinkEnabled state of a NavLinkProxy specifically in a packaged game targeting Debug/Development
UE5.6 UE-235006 Regression – Nav mesh is not generated on BSP brushes after loading a map
UE5.6 UE-229415 Navigation: Exiting game while async nav building tasks are running can cause null pointer access of OctreeController.NavOctree from worker thread
UE5.6 UE-229635 Recast rcScopedDelete<T>::resizeGrow copies too many elements
UE5.5.3 UE-240424 [AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync
UE5.5 UE-217560 [AI] AgentToNavDataMap still contains entries when cleaning up navigation system
UE5.5 UE-190347 Navmesh does not update according to the volume, when an actor with a navigation volume tied to a parent is moved.
UE5.5 UE-214913 [AI] Navmesh shows in editor but does not get loaded in PIE
UE5.5 UE-219482 Navmesh blocking representation for cylinders is wrongly offset when the mesh has IsDynamicObstacle=true
UE5.5 UE-161139 [AI] Navmesh does not generate correctly on a negatively scaled ISM.
UE5.4 UE-204403 [AI] Updating an HISM instance transform breaks the navmesh on all of the HISM instances.
UE5.4 UE-208246 Foliage ‘BlockAll’ instanced static meshes do not affect NavMesh
UE5.4 UE-178041 [AI] Navmesh generates incorrect triangles that connect a lower platform to one above it
UE5.4 UE-196823 [AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder
UE5.4 UE-198801 Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM
UE5.4 UE-196844 [AI] Fill Collision Underneath for Navmesh does not work for ISM instances
UE5.4 UE-197023 [AI] Nav Modifier Volume inside of a Level Instance does not update navmesh when moved