Request/Suggestion: Add the ability to create holes in a NavMesh made of NavMesh segments

danielvierna

Would it be possible to add automatic creation of a "NavMeshCylinderBlocker" and a "NavMeshCubeBlocker" to the Scene manager under Scene prefabs -> Navigation (right next to NavMesh segment button)? The purpose is to create "holes" in a NavMesh. In some cases it's a lot faster to roughly tile a scene with NavMeshSegments, disregarding any obstacles in the middle, and then add these "blockers" for creating "holes" in the NavMesh.

I have already made the necessary modifications to AC myself, for the time being, but I hate having these "branches" that get overwritten with each update. I created the NavMeshCylinderBlocker and NavMeshCubeBlocker prefabs and placed them under AdventureCreator\Prefabs\Navigation, I added the two buttons to the Scene manager to instantiate the prefabs and place them in the scene under _Navigation->_NavMeshBlockers, I modified the SetVisibility method in NavigationEngine_UnityNavigation.cs to show and hide these "blockers" when the Visibility->NavMesh On/Off buttons are pressed in the Scene manager, and everything works just fine.

By the way, I used the word "Blocker" and not "Obstacle" as to not confuse it with Unity's own NavMeshObstacle, which I tried for this purpose as well but although it did work, I didn't quite like the way they work on the scene.

Thanks!

ChrisIceBox

What of the prefabs themselves?  What did you do to get them to act as obstacles for Unity's Navigation mesh generator?

danielvierna

In the Object tab of the Navigation window you can change the Navigation Area from "Walkable" to "Not Walkable" for these prefabs.