NAVMESH won't comprehend a Imported Map detail

Development World Creation
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1

Hi

I’m having a really frustrating problem about Navmesh.

I imported a tiny map with a rugged terrain that I created and imported as an .fbx mesh.

My AI character walks on it. But navmesh creates a planer area on the higher ground. The plane is not planer. What shall I do?

When I create a terrain on ue4 it calculates it perfectly.

Please help!!!

Screen Shot 2018-01-19 at 15.57.38.jpg
Screen Shot 2018-01-19 at 15.57.38.jpg1000×468 55.4 KB

2

What does the simple collision model of the terrain look like?

3

Hi thanks for the reply,
That was the issue. I changed thew old collision model with the complex one. And ieverything is fine now:)