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1. Re: Using Ambient Occlusion maps in Unreal Engine 4

   

   Reply by 3DBoogieBr · Nov 2016 · Home› Technical Talk

   So i have the same problem here. I'm using packed textures to deliver Roughness (Red Channel) Ambient Occlusion ( Green Channel) and Cavity in Blue Channel. I already setup the texture node to be masked instead of color. And my packed texture its already in Maked mode instead of DXT compression. But i still not having the…

2. Using Ambient Occlusion maps in Unreal Engine 4

   

   Topic by kevingamerartist · May 2015 · Home› Technical Talk

   Hi all, So I have a quick question about using Ambient Occlusion maps in Unreal Engine 4. So I plug my Ambient Occlusion map into the Ambient Occlusion node in the Material Editor, however it almost looks like nothing is happening. Do I need to put the Ambient Occlusion map in Photoshop and set the AO map to Multiply on…

3. Re: Using Ambient Occlusion maps in Unreal Engine 4

   

   Reply by leleuxart · Nov 2016 · Home› Technical Talk

   How is your scene lit? AFAIK, material AO is limited as to what is occluding it when you're not using baked lighting due to a limited GBuffer size. A moveable skylight and ambient cubemap are 2 things that come to mind that don't affect AO and it won't be rendered if the scene is lit only by those.

4. Re: Using Ambient Occlusion maps in Unreal Engine 4

   

   Reply by Joopson · Nov 2016 · Home› Technical Talk

   So, I can't say for sure, but I don't think it should show up in unlit mode, and I think the AO G-Buffer is only for SSAO. At any rate, everyone here is right. It should only show up in not directly lit places. If you're unhappy with that, there are ways to get it to work the way you want, but they won't be physically…