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This question was closed Apr 12, 2013 at 07:26 AM by Fattie for the following reason:

The question is answered, right answer was accepted

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2
Question by Vicas · Feb 26, 2013 at 02:30 PM · ainavmeshnavmeshagent

Rotating the a NavMeshAgent when going up- or downhill?

Hi.

I am trying to add a simple car to my game, which just follows waypoints on a track. Im using a NavMesh on the track and the car is an NavMeshAgent.

When going up- and downhill, the NavMeshAgent does not rotate along it's X-axis, it remains the same.

How do I find the slope of the underlaying NavMesh and rotate the agent accordingly? Say I do a RayCast or the like from underneath the car and out to the front panel of it. How can I get information on the angle of the NavMesh underneath?

Thanks in advance.

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avatar image Vicas · Feb 27, 2013 at 11:01 AM 0
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I am trying something like this, but I do not understand why it is not working. The normal is not displayed perpendicular to the Nav$$anonymous$$esh surface. It is actually not displayed at all.

 samplePosHit = Nav$$anonymous$$esh.SamplePosition(aiCar.transform.position, out hit, 5.0f, -1);
 
 if (samplePosHit)
 {
         Debug.DrawRay(hit.position, hit.normal * 20.0f, Color.magenta);
 }
 else
 {
         Debug.Log("No point found.");
 }

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Answer by Vicas · Apr 12, 2013 at 07:26 AM

I solved this by sampling a position on the NavMesh 0.1 units in front of the agent. Then I just used a Transform.LookAt() at that position continuously.

Don't know how good a solution it was, but it worked.

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