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Spotlight bug - like it's cut in half

For certain rotation, the light is cut / cropped. It happens to me in every scene in my project. What's going on? The ground is a Landscape. Unreal 4.4.0

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asked Aug 17 '14 at 11:44 AM in Bug Reports

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Oskar Świerad
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avatar image Tim Hobson ♦♦ STAFF Aug 19 '14 at 06:59 PM

Hi Oskar,

Can you tell me if this is happening if you create this in a new project or just the one you are currently using? If it's happening in a new project you can you tell me the repro steps to make the issue appear?

Also, is this happening with a point light or only with the spot light? Is it also, only happening with the landscape or any object in this area of your map? Can you try this without the material that you've got on you landscape as well?

Thank you!

Tim

avatar image Oskar Świerad Aug 20 '14 at 08:51 PM

Thank you for the answer. It was a good idea to check itw with different materials. As it turns out, it only happens with my 3-layer terrain material. When I drop a simple material on the landscape, everything is OK, the bug doesn't happen.

Here's my material setup: http://oskarswierad.com/public/ue4/ue4-spotlight-bug-terrain-material.png

Map and UAssets of terrain, layers and the material: http://oskarswierad.com/public/ue4/ue4-spotlight-bug-Content-Terrain.zip

Oskar

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Hi Oskar,

After opening and taking a look you have a vector constant set up as your Normal Map. This is limiting the view. If you're not planning on using a Normal map for your materials at all then just unpin this or plug in the attached PNG blank normal to get a good result.

I hope this helps!

Tim

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normalplain.png (4.2 kB)
lightcutoff.png (279.0 kB)
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answered Aug 21 '14 at 07:20 PM

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Tim Hobson ♦♦ STAFF
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avatar image Oskar Świerad Aug 22 '14 at 09:37 AM

Thank you, it solved the problem :) So a single (0.5, 0.5, 1.0) color isn't an equivalent of a plain normal map, as I incorrectly thought.

avatar image Will_Maur Aug 09 '16 at 11:30 PM

oh god...what is?

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