Lighting effect

Question

The following screenshot is taken from a road that consists of several equal parts:

Screen shot

They all belong to a Blender model and have Shading set to Flat.
The scene has just one directional light and the parts of the road are used to bake a light map.
Material is set to use Mobile / Vertex Lit (Only Directional Lights) shader but I tested other shaders like Mobile / Unlit as well.
I don't get this effect when I take a model consisting of 8 road parts using a repeating texture - at least not in the middle. So it's not related to broken tileability of the texture. But it is visible then at the end as well The texture import settings are:

Texture import settings

Question: Is this the regular behaviour of the standard shaders? Can't believe it, but If so how to omit this when writing my own shader?

I would appreciate if someone could shed some light on this ;-)

Wild guess: in the model import settings switch Normals -> Import to Normals -> Calculate. — Jacek Przemieniecki
– Jacek Przemieniecki, Commented Jun 17, 2013 at 0:46
@JacekPrzemieniecki That's it :-) You should post this as answer — Kay
– Kay, Commented Jun 17, 2013 at 7:58

Jacek Przemieniecki · Accepted Answer · 2015-07-12 11:45:37Z

3

It's a problem with normals. Easy fix is to make Unity recalculate all the normals (In model import settings switch Normals -> Import to Normals -> Calculate).

edited Jul 12, 2015 at 11:45

answered Jun 17, 2013 at 9:49

Jacek Przemieniecki

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theodox · Accepted Answer · 2013-06-17 01:39:42Z

1

hard to know without seeing more context, but if the objects are lightmapped, make sure to check that they are not reusing the same lightmap texture. @jaceck's suggestion about normals is a good one too.

answered Jun 17, 2013 at 1:39

theodox

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Asger Stig Abildgaard · Accepted Answer · 2016-08-07 10:31:43Z

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I do not know if it is this you want, but there is also a component called Line Render that draws a line.

answered Aug 7, 2016 at 10:31

Asger Stig Abildgaard

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