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I've been trying lots of random different things trying to remove the green out of an image, for use of opacity or just the diffuse itself (turn 0,255,0 green into black) . Whatever I try there still seems to be a sharp green edge. I'm not very good at this, wondering what the recommended way of doing this? (and preferably to control with a threshold)

some examples in UE4 of what I'm trying to with Amplify in Unity (but haven't got these to work)

https://answers.unrealengine.com/questi ... xture.html
https://answers.unrealengine.com/questi ... arget.html
https://forums.unrealengine.com/develop ... a-material

Hello, thank you for getting in touch and for your support!

We do have a sample that had been shared by another user which provides a working solution for this effect, I'm sending it as an attachment to this thread.

Please let me know if this helps, thanks!

that is perfect- thank you!!!!

No worries, glad to be of assistance!

Have you had the chance to rate and review Amplify Shader Editor? It would be awesome if you could share your experience with the Unity community, the Unity Asset Store thrives on user interaction and direct feedback.
Every bit helps, your feedback is extremely valuable to us!

Feel free to get back in touch if you have further issues or questions, thanks!