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I have a directional light as a "sun". At night, I need a pitch black scene, but a mesh I'm using as terrain somehow stays faintly lit when the light intensity is 0.

At night:

  • The direction light "sun" is rotated so it's beneath my world.
  • The sun light is set to black, intensity to 0
  • I tried setting fog and ambient light color in RenderSettings to black
  • I tried setting ambient intensity to 0

Notice how the background is lighter than the character. Something is causing that light to remain.

However, if I enter playmode with the light object inactive, the coloring works fine.

enter image description here

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  • \$\begingroup\$ Ambient not work?! can you send image from your terrain.please edit your question something like "how can I make pitch black scene?" \$\endgroup\$
    – Seyed Morteza Kamali
    May 26, 2018 at 11:12
  • \$\begingroup\$ I'm not convinced this is an ambient light problem, because I get pitch black when my scene starts without the light object enabled. I've forced ambient light to 0 intensity, black color, and some meshes remain dimly lit. It's not just my terrain mesh now, it's also a low-poly tree mesh I've used from a free low-poly asset on the store. \$\endgroup\$
    – BotskoNet
    May 26, 2018 at 15:17
  • \$\begingroup\$ After some more debugging it appears to be the "reflectionIntensity" that has to be set to 0. Not sure what's reflecting, but it fixes my issue. \$\endgroup\$
    – BotskoNet
    May 26, 2018 at 16:11
  • \$\begingroup\$ what shader do you use? try by using Diffuse (or unlit) shader then set environment lighting multiplier and reflection multiplier to 0 \$\endgroup\$
    – Seyed Morteza Kamali
    May 26, 2018 at 18:13
  • \$\begingroup\$ @BotskoNet if you’ve found a solution, you can answer your own question, in case future people with the problem wind up here \$\endgroup\$
    – Phoenix
    May 27, 2018 at 8:56

1 Answer 1

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After some more debugging it appears to be the "reflectionIntensity" that has to be set to 0. Not sure what's reflecting, but it fixes my issue.

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