Description

UPDATE: 3/9/2015

Additional Information:

User on thread https://answers.unrealengine.com/questions/186928/landscape-collison-issues-recreatelandscapecollisi.html reported workaround did not fix error. Provided landscape for testing:

[Link Removed]

==================================================================================================================================

Landscape collision does not properly interact with characters. The character falls through, ignoring collision. This seems to happen primarily on steeply sloped surfaces.

Error not reproduced internally, but looks like it was originally fixed in 4.3, resurfacing in 4.6.

Error has been experienced in the wild by several users:

https://answers.unrealengine.com/questions/186928/landscape-collison-issues-recreatelandscapecollisi.html

https://answers.unrealengine.com/questions/186835/why-are-models-falling-through-in-some-parts-of-my.html

https://answers.unrealengine.com/questions/51759/character-commonly-falls-through-landscape-mesh.html

https://answers.unrealengine.com/questions/45925/collision-on-steep-angled-terrain.html

Potential Workaround:

1) Landscape Mode / Manage/ Selection Tools / Go To Change Component Size

2) Set Resize Mode to "Resample (leave everything else the same)

3) Apply (this may take a few seconds)

4) When the process is complete/ build pathing if u have NPCs /

5) Save close the editor

6) Reopen editor / test / Player should no longer fall through the terrain

Steps to Reproduce

[Not reproduced internally]

User repro steps:

1) Manage Landscape

2) Edit Splines / Tools Setting / Deform Landscape to splines: All Splines w/ Use Auto checked

3) Rebuild Pathing

4) Now NavMesh builds correctly in the area where Players and NPCs used to fall through the terrain

5) Everything works fine until you close editor

6) Exit/ Restart the editor the same old problem reappears!

Have Comments or More Details?

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Fixed
ComponentTools - Landscape
Affects Versions4.6.14.7.2
Target Fix4.7.3
Fix Commit2473571
CreatedMar 8, 2015
ResolvedMar 11, 2015
UpdatedApr 27, 2018