when I duplicate the object the contrast changes !?
What you're seeing is the differences between indirect lighting cast between modular meshes. The problem here is that when lighting is calculated for the meshes they are handled on different CPU threads and one does not know what the others was. This can cause the different shades you're seeing.
This can be offset by using some of the methods in this thread here: https://forums.unrealengine.com/showthread.php?46269-Modular-Asset-Lighting-Problem
This is something that could potentially be improved in the future, but there are not any near future plans that I'm aware of to work on this.
Some things you can do on your end:
I hope this helps.
answered Mar 04 '16 at 07:26 PM
Tim Hobson ♦♦ STAFF
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