Possible to edit the movement of NavMeshAgent ?

Question

Hello!

I am fiddling with my first pathfinding behaviour. I am using a navmesh and the built in NavMeshAgent and it works great so far!

But I want the agent to take a wider, curved turn (because the agent-object is a vehicle) [Check the illustration below to see what I mean].

If I could edit the navmesh properties at some extend or even create my own navmesh agent, I could say that the agent can only go forward and Slerp the rotation towards the target.

Does anyone know of a editable NavmeshAgent template code??

Or have any other good tips on how to get the navmesh-agent to do a wider curved vehicle-like turn/rotation?

What I have tried:

A empty gameobject with the unity NavMeshAgent component that goes towards a destination target
A object with the vehicle model and a script saying it should only go forward and rotate towards the navmeshagent (this creates a nice and wide vehicle-like turn/rotation)

But the problem with this is that vehicle-object goes of the navmesh and collides with obstacles, because it takes a wider turn than the navmeshagent.

Illustration showing how the NavmeshAgent turns at the moment VS how I want it to turn:
alt text

Thanks for any kind of help!

Answer 1

Answer by UNZoOM · Mar 19, 2015 at 10:53 PM

 This js should work.
 Attach it to the nav mesh agent ( your car ) and it shall serve the purpose.
 To make it smoother play with the nav Agents ( Angular speed value ).
 
 targets is an array of Transforms where you can plugin the waypoints.
 currentTarget can be your 1st way point ( targets[0] , or you can drag in the inspector )
 navigation is your NavMeshAgent.
 
 
 public var currentTarget : Transform;
 public var targets : Transform[];
 public var navigation : NavMeshAgent;
 var incr:int;
  
    
 function Start ()  
 {       
   navigation.destination = targets[i].position;   
 } 
  
  
 
 function Update () 
 {   
     var dist = Vector3.Distance(targets[i].position,transform.position);
     currentTarget = targets[i]; 
     if (dist < 5){     
 
     if (i < targets.Length - 1)
         {   
              i++; //change next target
              incr++;
              navigation.destination = targets[i].position;   
              
          }
     }
 
 }

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Querke · Mar 20, 2015 at 03:02 PM 0

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But that only searches for the next waypoint, right?
I am afraid that does not solve my problem, as I know how to search for waypoints. Thanks for trying though :)

Answer 2

Answer by 10yaseen1 · Aug 29, 2015 at 02:47 PM

I am not sure if you still need a answer to this but how about using RotateTowards

method? It works rather smoothly for basic humanoid characters as far as I have noticed, might work with a car as well, although I don't think creating a car AI that way would do any good.

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Dailyalex · Dec 16, 2022 at 06:43 AM 0

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The problem is that he doesn't know how to override default navmesh agent rotation. It happens automatically under the hood.

Possible to edit the movement of NavMeshAgent ?

Does anyone know of a editable NavmeshAgent template code??

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