If a Material Parameter Collection with a Scalar Parameter is used within a material and that material is called within a widget the scalar parameter will render with a 0 value, even when set to another number.
1. Open Editor (any project)
2. Create Material Parameter Collection
3. In MPC, create a single Scalar Param with a default value of 1
4. Create new material
5. Call MPC and use the scalar value, plug this into the "Emissive Color" channel
6. Create new Widget BP
7. In widget BP, create an image, set image material to the new material
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Head over to the existing Questions & Answers thread and let us know what's up.
2 |
Component | UE - Editor - UI Systems |
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Affects Versions | 4.7 |
Created | Feb 23, 2015 |
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Resolved | Jan 18, 2017 |
Updated | Jul 14, 2021 |