This is done by simply under “Detail” and under “Material” on the left
of the Material Editor changing the “Shading Model” to “Two Sided Foliage”.
Then you plug your Albedo into Subsurface Colour. This makes foliage
semi-transparent, when light hits a leaf texture set up like this when viewed
from the underside it will appear to glow, as the light passes through and
bounces round the inside of the leaf. The side being hit though will only light
normally.
As you can see above I’ve removed the complex wind system from this
texture sheets which now only hold the flowers. Hopefully this won’t be
noticeable. The grass will still move with a complex pattern but the flowers
amongst it will move a constant amount.
I’ve been looking at foliage in a hand full of new games and it’s
extremely common to have lots of completely dead unmoving foliage right by
foliage that is moving. I don’t think
having foliage that moves differently right by each other in game is a problem.
This would have been a major concern for me though prior to spotting it in some
of the best looking games out right now.
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