Questions tagged [navmesh]

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In unity, making a navmesh for a tiny planet?

I'm trying to build a scene in a small planet, and baking will always give me the result on the half top of the planet. But what I want is to create a navmesh all around the small planet. I am ...
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153 views

Is there an algorithm to construct lines (sets of grid points which are all connected) from an unsorted set of grid points?

I have a 2d square grid used for pathfinding that I wish to convert into a navigation mesh. My idea is to pluck out all of the nodes that are on the edge of walkable space, simplify the amount of ...
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36 views

Navigation Mesh, Chunks and Funnel Algorithm

I am building a little RTS-like game as a side project and I am currently working on pathfinding. My approach to pathfinding is heavily inspired by things I saw in the Starcraft II map editor, which ...
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1answer
68 views

Spawning large numbers of navmeshagents causes them to jump position

Cross posted on StackOverflow I'm making a tower defense style game in 3D using Unity. I'm experiencing a frustrating issue with spawning large numbers of characters in an area of navmesh where if I ...
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1answer
422 views

Line of Sight Check Theta* Algorithm

I am looking at implementing the Theta* algorithm in a 2D NavMesh. I have A* working, and I need to add a line of sight check to turn it into Theta*, this seems relatively easy in a uniform grid but a ...
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113 views

Is there an established way to create a 2D XY NavMesh in Unity?

Specifically, one in the empty space between colliders, rather than on an XZ plane (more or less) over the surface of a collider? Specifically this is because I have a drone, in a current project, ...
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107 views

Terrain Navmesh build, rebuild smaller pieces of the bigger navmesh terrain. UNITY

when the area is very big and AI characters are required to walk a larger distance, it would be beneficial to have the large navmesh ready for finding a path. when we change the height of the terrain ...
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2answers
540 views

Unity how to set Off mesh link speed

How can I set agent's speed on off mesh link? I want it to look like a jump, but now it looks like it was in slow motion.
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89 views

Finding point in NavMesh meeting criteria

I have build my own NavMesh representation, generation and path finding on it in c++ and it works very well so far. However i struggle archiving this seemingly easy task: I want to find a random ...
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310 views

Simple Stupid Funnel Algorithm (SSFA) for 3D Navigation

tl;dr I need an algorithm similar to SSFA except for portals with 4 vertices (or n vertices if an algorithm like that exists). I'm working on a game that requires pathfinding in 3 dimensions. By this ...
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295 views

remove sudden upward & downward jerk from camera

I have a scene with low poly assets & NavMesh enabled for character navigation. When player climbs the bridge there's a sudden upward jerk in camera. Also, when the player comes down, there's a ...
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467 views

Get random point on NavMesh async

I am trying to spawn some entities on a navmesh at runtime. The entities need to spawn at a random point. Right now i use the following to get a random point: ...
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1answer
1k views

How to increase vertical Nav Mesh detection for AI Actors? Using Default Query Extent?

For my swimming AI, I wish to use a Nav Mesh, so they may avoid obstacles and swim up and down - preferably. I figured I should try to solve this with a nav mesh, since UE4 has kindly implemented it ...
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286 views

Is Unity 5.6 NavMesh Data Available to Gizmos/Editor?

I have a script from Dungeon Architect that basically draws Gizmo lines along all connections between neighboring waypoints, which is nice. However, I'd like to draw a secondary line the follow the ...
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274 views

Get all OffMeshLink objects in Unity

What I'm trying to do is to make an edit-mode script that gets all off-mesh links and makes some of them bi-directional(depends whether a jump is possible). My (obvious) attempt was: ...
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47 views

Getting the polygon footprint from a map

I'm trying to implement the Explicit Corridors method to generate a navmesh for a large city. The algorithm takes a list of convex polygons representing the obstacles as input. The paper only ...
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270 views

How to make a part of an object with navmesh agent rotate separately?

I have a game object (a Humvee jeep) and it has a turret gun on top of it. What i want to do is while the vehicle is moving in a line the turret look at player. I tried rotating the turret gun with "...
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24 views

Can I rely on a Navmesh for X/Z movement and manually place my agent on the Y axis?

I'm generating my terrain mesh around the player (along with collision mesh and Navmesh). It's tile based, when the player moved enough I generate necessary tiles render meshes, then collision meshes ...
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14 views

How to find edges along calculated path in a navigation mesh

I have a navigation mesh consisting of triangles. I'm using the center of each triangle as a node for a pathfinding algorithm (A*). I would like to do path straightening with Simple Stupid Funnel ...
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22 views

Unity - Moving X amount of units to destination, RTS style movement

I have a reached a point now where I can select X amount of units, and move them to where I click. My problem is, they all try to get to the same point. I use Unity's own Navmesh + agent. I set ...
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34 views

Move Unity NavMeshAgent at a constant speed

My NavMeshAgent randomly changes speed while moving along it's path. It seems to be slower when a segment of a path is shorter (between two waypoints/corners) or when there are many close continuous ...
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98 views

Querying Navmesh with ECS

Has anyone had any luck with querying the baked Navmesh with ECS? Or, rather, with first converting a full map to Entities and Components (or vice versa), and then using the Navmesh for unit ...
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1answer
42 views

NavMesh - LoS and “Containing”

For a gameserver/backend, I have a navmesh for "walkable" areas in form of points/triangles. Now I want to check every gametick if the client is still in a legit place and if he shots/casts a spell, ...
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310 views

how to make AI do jump on navigation mesh system?

hi :D i'm currently using unreal for make a sand-box game for learning purpose. and due to the unique attribute of sand-box game, i am looking for how AI move naturally on map (which changes so often)...
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175 views

How can I set the remaining distance of the nav agent?

I have an issue with the nav agent in my game. That I am using the remaining distance to determine the next state of the AI. When the navagent is first given a destination it uses the previous ...
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1answer
520 views

Unity3d turn based navmesh algorithm

I am developing a game in Unity3d. In this game, 2 teams will fight without any human interaction. The fight results must be always the same, if the same teams are the same. This way, I must ...
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1answer
330 views

Problem with Unity NavMesh tools

I'm getting this error: Runtime NavMesh Builder source mesh combined mesh is skipped because it does not allow read access I checked all the models and it has the read permission. I also noticed,...
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136 views

surface.Bake(); no such command

(re: https://www.youtube.com/watch?v=n-RXnDGE72M∈dex=12&list=PL4AZfZ_v6LZNn6LPUbYFyKJNlssdzlu9K at 13 mins 50 secs) When I try: surface = GetComponent (); surface.Bake(); I am getting an error ...
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174 views

Agent taking different paths?

I don't know of this is possible or not. I was following Unity - The NavMesh Agent tutorial. What I'm thinking on how to make the agent take's different path ? example, if i have two agents, how to ...
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1answer
2k views

Click to move - get NavMesh layer

I'm using NavMesh, and NavMeshAgent for my character movement and Pathfinding. I made a testing NavMesh with 2 area layers: 0 = Walkable 3 = ...
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1answer
863 views

NavMesh moving is not smooth

I have two car in game one of them is cop that chase player, i put a NavMesh on cop with these values: when the cop get close to player (player speed is 10 ) , movement will go jittery and not smooth....
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1answer
2k views

Unity AddExplosionForce to a Navmeshagent

I have a NavMesh agent and I would like forces to be applied to it during an explosion. Currently the NavMesh agent isn't interacting with the exploding object. The explosion occurs and agent takes ...
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1answer
29 views

How can a NamMeshAgent be configured to always look towards its next path position, but never move there?

I'd like to have something like an on-screen panel that appears in the direction that you are supposed to go. The panel is a NamMeshAgent with a speed of 0. I was hoping something like this would ...