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Discussion in 'World Building' started by lolmanek, Dec 29, 2018.
When i was making my terrain something weird happend can anyone help me?
Thanks @lolmanek. Couple of questions:
What were you using to make the Terrain as far as external tools and Unity Terrain Tools go?
Did you import a heightmap or paint height in Unity?
Which graphics API are you using?
I have also noticed this problem when upgrading from an older version of Unity to 2018.3. We used to use Gaia but after the terrain update we have removed it and are currently just using Unity Terrain tools. It only happens in this project, not a new one. Looks to be a problem with Unity serialising the terrain as only seems to happen on save (When instancing is enabled, if instancing is not enabled it happens instantly). I will include a video of the problem.
Thanks, @TedStateOfPlay! Maybe the texture format for the heightmap on disk is not upgraded. Might be using a smaller number of bits. Will take a look
Nevermind, heightmap precision was 16-bit before and after updates. Will take a look regardless
@TedStateOfPlay which version did you upgrade from?
Got a repro. Seems like it might be an OpenGL issue. There was a bug where we didn't have the proper texture format support for Brush textures in OpenGL. Part of the Terrain updates that were made was upping the bit count from 8 to 16 for brush textures. So that fix will probably need to be backported to 2018.3
And I am guessing that it doesn't repro in a new project because the graphics API probably defaults to Metal instead of OpenGL
@wyatttt The version we were on was 2018.2.11f1, hope that helps.
Hi, I'm having this bug too on 2018.3.2 (also using an old project after updating Unity). Any way for us to fix it on our end since it is only with old projects? Thank you!
never mind, just fixed by changing to metal graphics api.
Ya. I'd suggest changing to Metal if possible