Hello,
I would like to use a black/white image as opacityTexture. The function .getAlphaFromRGB = true does not lead to the result. Any ideas? =)
we need a repro to help as always 
(What you said should work by the way, at least with stdMaterial)
Sorry for the late reply.
https://playground.babylonjs.com/#3KQPR0
Doesn’t seem to work with PBRMetallicRoughnessMaterial. Switched to PBRMaterial following the docs here
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Thank you very much. I will switch to PBRMaterial.
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