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Point light bug in Orthographic Camera

I placed paper2d sprite(Material: MaskedLitSpriteMaterial) and point light. When we use perspective camera the sprite is illuminated.

If switch camera to orthographic the sprite will be illuminated only when attenuation radius cross x0 coordinate.

What is the problem?

Attenuation radius not cross x0.

alt text

Result: No light.

alt text

Attenuation radius cross x0.

alt text

Result: sprite is illuminated.

alt text

Temporary fix:

alt text

Product Version: UE 4.8
Tags:
ue1_pre.png (543.8 kB)
ue1.png (194.5 kB)
ue2_pre.png (539.5 kB)
ue2.png (127.0 kB)
ue_tempary_fix.png (104.7 kB)
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asked Jun 12 '15 at 09:02 AM in Bug Reports

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surferk
6 1 1 4

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Hey surferk,

This is a known and reported issue UE-7019. Currently the bug is not on the immediate roadmap to be fixed, since not all lighting features are supported (or are intended to be supported) within paper2D. Another reason being the asset still functions the same when playing in the viewport or launching.

If you have any further questions please let me know.

Thank you,

Andrew Hurley

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answered Jun 12 '15 at 07:04 PM

avatar image Killnetic Mar 27 '17 at 12:32 AM

The issue needs upvoting in the tracker if it is going to be resolved. https://issues.unrealengine.com/issue/UE-7019

avatar image KrautPotato Apr 04 '17 at 07:29 AM

It's not just for sprites, point lights themselfs are completly broken with orthographic view.

avatar image lkav May 19 '17 at 06:20 AM

the workaround I use atm is. Use a perspective camera and change the Field of View below 30° and adjusts the distance.

avatar image AndrewHurley Apr 04 '17 at 01:58 PM

This is also known and reported.

https://issues.unrealengine.com/issue/UE-40089

Thank you,

Andrew H

avatar image m3phizzto Jun 18 '17 at 08:35 PM

Try this way:

Go into Project Settings --> "Rendering" and make sure that Forward Shading is enabled. After restarting the editor, i had no more lighting problems.

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