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Question by Chricken · Jan 20, 2014 at 02:35 PM · lightinguv

"Warped" lighting on a sphere

Hi,

I have a strange lighting on my sphere in a scene. The scene is very simple: One sphere and one directional light. With that setting the light warps around the poles, which looks weired. In the image you see the sphere from top and a duplicate from bottom.

The sphere has been imported from blender with UV maps in cylindrical projection, but the built-in sphere is the same. I found, that the lighting is correct without UV-mapping, but than, of course, the texture is not placed correctly.

Regards

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lighting.jpg (99.1 kB)
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Answer by Chricken · Jan 21, 2014 at 09:24 AM

Okay,finally I got it.

The strumpy has a function called "unpack normals", which has to be in the pipeline for the normals. Now it works as expected.

Thanks for reading

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