How to Implement AI Pathfinding in Unity Using NavMesh?
Micheal Klein

Micheal Klein @michealklein

About: A Software Developer & Tech Blogger specializing in web, blockchain, AI, and game development. Passionate about building scalable solutions and sharing insights to simplify complex tech for developers

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Joined:
Jan 30, 2025

How to Implement AI Pathfinding in Unity Using NavMesh?

Publish Date: Feb 10
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🤖 Problem-
AI characters may move unpredictably, collide with obstacles, or fail to navigate the environment properly.

🛠 Solution-
1. Bake a NavMesh-

  • Go to Window > AI > Navigation
  • Mark walkable surfaces as Navigation Static
  • Bake the NavMesh

2. Attach NavMeshAgent to AI Character-
csharp

public NavMeshAgent agent;
void Start() 
{
    agent.SetDestination(target.position);
}
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3. Update Destination in Real-Time-
csharp

void Update() 
{
    agent.SetDestination(player.position);
}
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4. Avoid Obstacles Using NavMesh Obstacle Component-

  • Attach NavMeshObstacle to dynamic objects to prevent AI from walking through them.

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