UMG Opactiy

Development Programming & Scripting UI
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1

Hello! I’m having some troubles using UMG. I want to create a health bar and use opacity to drive the percentage shown.

250948-mat1.png
250948-mat1.png900×433 79.9 KB

Here’s the material I’m using, the problem arises here:

250949-mat2.png

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The issue being the circle is fading away, even though vertex color alpha is not hooked into the actual opacity. Is there a way to stop this from happening? I tried making the value of that lerp a parameter, but I can’t seem to find a way to dynamically change material parameters in UMG. Could anyone help me please?

2

Dynamically change material param doesnt work via material dynamic instances, in UMG?
Well you couod use grayscale material and adjust the umg tint, color and opacity, or render opacity values to change the color and transparency.