I've just found following picture, but I don't know how to recreate this kind of crystal type reflection thing. Can anyone teach me please?
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1$\begingroup$ What do you exactly mean by saying "crystal type reflection"? $\endgroup$– CarloJul 18, 2015 at 10:20
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$\begingroup$ i posted a BG and BI image just for the heck of it. $\endgroup$– ruckusJul 18, 2015 at 15:04
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$\begingroup$ Also look into (heh) the actual geometry of the eye: the iris and pupil are inset. This really changes the lighting. $\endgroup$– wcharginJul 18, 2015 at 19:56
2 Answers
As far as I can see in the picture and the material node provided from creator (which contain some errors in my opinion) the reflection is achieved by simply mixing a glossy shader and a diffuse shader.
The sharpness of the reflection is driven by the "Roughness" value of the shader:
High Roughness value
Low Roughness value
BI or BG
First of all, you need to choose a reflection image. (I love using city landscapes off of http://cgtextures.com/.
Then add a new texture and set the mapping to "reflection".
The image is calculated in realtime, so its 100% game functional (and looks beautiful)