Description

Niagara particle sprites with a Translucent Material are glowing in a completely dark area.

This issue is also observed with the deprecated Cascade particles.

Particle brightness is also dependent on Sky Light and Directional Light values.

Particles appear brighter on the sides of the dark room when closer to a wall.

Steps to Reproduce

1. Download the attached test project and open
2. Use the following console command:
BugItGo -1351.177486 1063.052222 345.342535 -14.242047 -523.564473 0.000009
3. Observe there are no light leaks, and room is completely dark
4. Observe particles are glowing in the dark
5. If you do not observe glowing particles, fly out of the black box and back in

Have Comments or More Details?

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Unresolved
ComponentUE - Niagara
Affects Versions5.5
CreatedOct 14, 2024
UpdatedOct 14, 2024
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