recastnavigation

1–30 of 950

Support and discussion group for Recast and Detour

https://github.com/recastnavigation/recastnavigation

If reporting an issue or requesting a feature, please do so using GitHub issues, following our contribution guidelines - you'll get a much faster response that way!

https://github.com/recastnavigation/recastnavigation/issues

https://github.com/recastnavigation/recastnavigation/blob/master/CONTRIBUTING.md

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richard.g...@gmail.com, Graham Pentheny2

Mar 15

Tile Mesh Export not Including Off-Mesh Connections

The export/import code in RecastDemo is likely missing a ton of features and somewhat misleading.

unread,

Tile Mesh Export not Including Off-Mesh Connections

The export/import code in RecastDemo is likely missing a ton of features and somewhat misleading.

Mar 15

文振宇, Graham Pentheny2

Mar 15

Problem for marking area type by vertices

You should generate a list of triangle area ID's from your input geometry and pass them as the

unread,

Problem for marking area type by vertices

You should generate a list of triangle area ID's from your input geometry and pass them as the

Mar 15

PacaPop, Graham Pentheny2

Mar 15

Finding random point in specific area

There's an example of using these APIs in NavMeshTesterTool.cpp in RecastDemo. eg https://github.

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Finding random point in specific area

There's an example of using these APIs in NavMeshTesterTool.cpp in RecastDemo. eg https://github.

Mar 15

Jeff Weign, Graham Pentheny2

Mar 15

Given x-z coordinates, can navmesh returns the y value?

Hi, I'm not sure I fully understand what you're asking, but you can use dtNavMeshQuery::

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Given x-z coordinates, can navmesh returns the y value?

Hi, I'm not sure I fully understand what you're asking, but you can use dtNavMeshQuery::

Mar 15

mengu gulmen, Graham Pentheny2

Mar 15

Recast + Colyseus + Babylon.JS - agent position update problem

Hi, Firstly this seems like an issue with multiplayer state replication in your game, not anything

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Recast + Colyseus + Babylon.JS - agent position update problem

Hi, Firstly this seems like an issue with multiplayer state replication in your game, not anything

Mar 15

Jose Antonio, … Graham Pentheny3

Mar 15

Cluster Graph in Recast

Hi, Can you speak more about what your hope for this feature is exactly? Cluster graphs appear to be

unread,

Cluster Graph in Recast

Hi, Can you speak more about what your hope for this feature is exactly? Cluster graphs appear to be

Mar 15

PaulS, Graham Pentheny2

Mar 15

Water under my terrain

Hey Paul. Hard to really know what the proper solution is without some more context/screenshots but

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Water under my terrain

Hey Paul. Hard to really know what the proper solution is without some more context/screenshots but

Mar 15

Gabriel Garcia, Graham Pentheny2

Mar 15

Why rcMarkConvexPolyArea uses an extruded xz-plane clamped intersection check instead of point-in-polygon?

Hey Gabriel. The intent of this function is to allow for marking arbitrary polygon-bounded areas of

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Why rcMarkConvexPolyArea uses an extruded xz-plane clamped intersection check instead of point-in-polygon?

Hey Gabriel. The intent of this function is to allow for marking arbitrary polygon-bounded areas of

Mar 15

Aresky Aresky, richard.g...@gmail.com2

12/6/22

How to raycast 3D check?

The way I've done it is to get the poly ref for the end point of the trace, and then add an extra

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How to raycast 3D check?

The way I've done it is to get the poly ref for the end point of the trace, and then add an extra

12/6/22

Patrick Pineda, … Vincent Lark6

11/23/22

Extract OBJ from navmesh '.bin' files?

Hey, just following this up again. I Got a working solution from recastjs, so this is great! It does

unread,

Extract OBJ from navmesh '.bin' files?

Hey, just following this up again. I Got a working solution from recastjs, so this is great! It does

11/23/22

richard.g...@gmail.com

9/29/22

Refreshing off-mesh connections

Hi there! Is there an easy way to refresh off-mesh connections? Currently if I place some off-mesh

unread,

Refreshing off-mesh connections

Hi there! Is there an easy way to refresh off-mesh connections? Currently if I place some off-mesh

9/29/22

8/27/22

Recast/Detour and procedural map generation

Hi, I'm making a multiplayer game with detour doing the pathfinding on the server side. I wanted

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Recast/Detour and procedural map generation

Hi, I'm making a multiplayer game with detour doing the pathfinding on the server side. I wanted

8/27/22

Enrique González Rodríguez, Mikko Mononen6

8/19/22

Wall and ceiling Nav Mesh in Unreal Engine

In Recast/Detour it is not possible to have multiple navmeshes connected together that have different

unread,

Wall and ceiling Nav Mesh in Unreal Engine

In Recast/Detour it is not possible to have multiple navmeshes connected together that have different

8/19/22

Clarence, Mikko Mononen2

8/18/22

dtTileCache mesh generation

Tile cache assumes small tiles (around 32-64 squared) and does some tricks to make the update fast.

unread,

dtTileCache mesh generation

Tile cache assumes small tiles (around 32-64 squared) and does some tricks to make the update fast.

8/18/22

5/22/22

Example streaming Tiles

Hello, It seems that there is a way to dynamically stream in Tiles into a NavMesh, but I cannot seem

unread,

Example streaming Tiles

Hello, It seems that there is a way to dynamically stream in Tiles into a NavMesh, but I cannot seem

5/22/22

4/7/22

Problem with dtNavMeshQuery::findNearestPoly

Hello, I seem to have a problem with findNearestPoly which gives me a nearestPt (when displaying it,

unread,

Problem with dtNavMeshQuery::findNearestPoly

Hello, I seem to have a problem with findNearestPoly which gives me a nearestPt (when displaying it,

4/7/22

lhhts...@gmail.com2

4/3/22

Is there a max tile size limit for dtTileCache?

And there is not even any error log? On Saturday, April 2, 2022 at 11:03:57 PM UTC-7 lhhts...@gmail.

unread,

Is there a max tile size limit for dtTileCache?

And there is not even any error log? On Saturday, April 2, 2022 at 11:03:57 PM UTC-7 lhhts...@gmail.

4/3/22

8/8/21

Split large triangles

Hi, is there a way to limit the maximum size of triangles that doesn't involve lowering the tile

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Split large triangles

Hi, is there a way to limit the maximum size of triangles that doesn't involve lowering the tile

8/8/21

Work Life Balance Brian

7/30/21

Any idea to modify recast for generate mesh on the wall/90 degree geometry

Right now I have a spider style ai monster. and it has the ability to navigation in the level. I know

unread,

Any idea to modify recast for generate mesh on the wall/90 degree geometry

Right now I have a spider style ai monster. and it has the ability to navigation in the level. I know

7/30/21

Eric Eisaman, Evgeny Adamenkov3

6/25/21

memory layout of .bin file

Thank you Evgeny! Have a great day. On Thursday, June 24, 2021 at 11:52:51 PM UTC-4 evgen...@gmail.

unread,

memory layout of .bin file

Thank you Evgeny! Have a great day. On Thursday, June 24, 2021 at 11:52:51 PM UTC-4 evgen...@gmail.

6/25/21

lhhts...@gmail.com, Evgeny Adamenkov2

6/15/21

How to only use Detour lib for my own custom generated meshes?

Hi, In general, https://github.com/recastnavigation/recastnavigation explicitly says "You can

unread,

How to only use Detour lib for my own custom generated meshes?

Hi, In general, https://github.com/recastnavigation/recastnavigation explicitly says "You can

6/15/21

4/27/21

DetourCrowd returns positions vertically offset from rendered mesh surface

From the benefit of others, an update on point 2 : After debugging the detourcrowd update function,

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DetourCrowd returns positions vertically offset from rendered mesh surface

From the benefit of others, an update on point 2 : After debugging the detourcrowd update function,

4/27/21

Lee Chee Keong2

4/23/21

Area cost in "Test NavmeshTool" vs DetourCrowd

On Friday, 23 April 2021 at 19:15:21 UTC+8 Lee Chee Keong wrote: Hi, I ma newbie to Recast. I changed

unread,

Area cost in "Test NavmeshTool" vs DetourCrowd

On Friday, 23 April 2021 at 19:15:21 UTC+8 Lee Chee Keong wrote: Hi, I ma newbie to Recast. I changed

4/23/21

GlassBeaver, … yb z10

3/10/21

Fastest way to exclude/re-include rectangular areas at runtme

The Origin Plane The Result I Want。 perfectly. thanks 在2021年3月10日星期三 UTC+8 下午1:41:26<yb z> 写道：

unread,

Fastest way to exclude/re-include rectangular areas at runtme

The Origin Plane The Result I Want。 perfectly. thanks 在2021年3月10日星期三 UTC+8 下午1:41:26<yb z> 写道：

3/10/21

naempir...@gmail.com, PaulS3

3/9/21

Need ideas how to implement ability to swim.

Of course, my idea (above) also assumes you have normal terrains that have no overhangs and stuff

unread,

Need ideas how to implement ability to swim.

Of course, my idea (above) also assumes you have normal terrains that have no overhangs and stuff

3/9/21

Arne De Jonghe2

2/24/21

Most efficient way for agents to follow other agents?

I figured it out I think. To get an agent's current PolyRef do: const dtPathCorridor *corridor =

unread,

Most efficient way for agents to follow other agents?

I figured it out I think. To get an agent's current PolyRef do: const dtPathCorridor *corridor =

2/24/21

lhhts...@gmail.com

2/14/21

Any examples to build the NavMesh on my own and only use Detour lib separately?

Hi, I have some very specific requirements for my nav mesh. And it is mainly 2D with lots of other

unread,

Any examples to build the NavMesh on my own and only use Detour lib separately?

Hi, I have some very specific requirements for my nav mesh. And it is mainly 2D with lots of other

2/14/21

John Smith, Evgeny Adamenkov3

2/9/21

How to generate the sln of RecastDemo in Windows? There isn't Premake5 2019 file in RecastDemo folder

Addition: just download premake5 into the folder containing premake.lua and type in cmd window (in

unread,

How to generate the sln of RecastDemo in Windows? There isn't Premake5 2019 file in RecastDemo folder

Addition: just download premake5 into the folder containing premake.lua and type in cmd window (in

2/9/21

lgulich, … Mikko Mononen4

2/5/21

Article from AiGameDev.com

Thanks for the help, this is already really helpful! memo...@gmail.com schrieb am Mittwoch, 3.

unread,

Article from AiGameDev.com

Thanks for the help, this is already really helpful! memo...@gmail.com schrieb am Mittwoch, 3.

2/5/21

charlesj...@gmail.com, Evgeny Adamenkov2

12/17/20

Bug in rcFilterLedgeSpans causing voxels along walls to be filtered too?

> Line 144 checks the abs of the span differences and compares it to walkableClimb. This will

unread,

Bug in rcFilterLedgeSpans causing voxels along walls to be filtered too?

> Line 144 checks the abs of the span differences and compares it to walkableClimb. This will

12/17/20

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