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How to change light direction along object location/rotation

I made a simple planet material basing on a tutorial (complete newbie) with a light like this:

http://i.imgur.com/lKIBnS4.jpg

with direction defined by a constant vector, and now I realised it's not entirely what I need, as when I rotate the planet the light direction doesn't change, and as it goes around a star the day side is facing the wrong way, and to change that I need to modify the red and green values. The system moves as a rotating actor in the center with the mesh attached to it. Can I somehow fix this without rebuilding the whole thing entirely, as I am rather content with the final appearance of the planet?

Also I apologise if it's a wrong section, I'm not entirely sure if this post should be here.

Product Version: UE 4.10
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asked May 26 '16 at 08:51 PM in Blueprint Scripting

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HpALc 9000
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HI!

This is another tutorial about planet shader. I hope this help you.

https://www.youtube.com/watch?v=vq6Ftd8bziU

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answered May 27 '16 at 08:03 AM

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svv3dUDN
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