NavMeshLink Custom Animations per Area Type | AI Series Part 17

In this tutorial I show you how to upgrade the Unity NavMeshComponents script AgentLinkMover to work better. We'll make the NavMeshAgent choose whether or not they want to take a NavMeshLink by checking the Vector3.Distance between the start and end point of the NavMeshLink to ensure it's actually going to help get closer to the target. We'll also upgrade the AgentLinkMover to have the ability to have a different OffMeshLinkMoveMethod per NavMesh Area Type, which allows us to customize how the NavMeshAgent moves across different NavMesh area types.

Some of you may ask: Since we're mapping an int (NavMesh Area Type) to an OffMeshLinkMoveMethod - why not use a Dictionary? - This is a great point. A Dictionary would make the logic simpler, but we'd have to also set up a custom editor to manage it in the inspector because Unity by default doesn't know how to serialize Dictionaries for modification in the Inspector. If you want some homework for this video, try to modify the AgentLinkMover to use a Dictionary. Even if you don't set up the custom editor to handle that in the inspector, you'll see why it's a better data structure than the List we used in this video.

As usual with the AI Series, we're using the NavMesh Components: https://docs.unity3d.com/Manual/NavMesh-BuildingComponents.html not the built-in navigation system.

👨‍💻 As always, all code from this video is available on GitHub: https://github.com/llamacademy/ai-series-part-17

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