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How to get shininess (specular) color?

Horacio

August 28, 2018 00:06

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Hello, I come from Second Life and there is an aspect of texturing I still don't understand. That is how to replicate in Sansar that what in Second Life is called Shininess (specular) color. You see, that colored highlight on a shiny surface, which is independent of the color of the light being cast onto the surface. An example picture below from Second Life:

And another example, with the light source visible:

I am familiar working with Blender. This is how I setup textures for Sansar for a reference sphere:

If it's possible I could not figure out how to get this highlight effect.

Is this colored highlight effect possible in Sansar?

9 comments

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  Gindipple August 28, 2018 01:25

  Think you want to look at this page, it shows where to plant the textures from blender for that

  https://help.sansar.com/hc/en-us/articles/115002888226-3D-model-export-and-setup-tips-using-popular-3D-tools-

  Or maybe you're asking something more specific, but this is a good start

  Also try asking in Discord if it's more specific

   

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  Horacio August 28, 2018 01:33

  @Gindipple, thanks. I have already studied that page many times before. It has no specific information about this subject.

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  Gindipple August 28, 2018 01:48

  Stepping deeper into something I might be very wrong about here ok, but specular color in SL I'm guessing is kinda faked effect of specular + shinning a colored light at it. By that I mean real specular doesn't really contain color data in it. I suspect in PBR you would set the specular of the material, then if you wanted it to reflect back a color you would shine a colored light at it. I don't think the ambient properties of a material really impact the specular color, but rather it is a property that alters the color of the light coming into and out of the surface.

   

   

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  Gindipple August 28, 2018 01:53

  Here's an example, see the specular spots on the fan blades here? I didn't tell the specular to have a red spot, it's red due to the red colored light shining on it.

  
  https://gyazo.com/5b54ab146169373b387a693ed4f34c25

   

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  Horacio August 28, 2018 02:02

  @Gindipple, casting a color light onto the target surface will paint the whole surface that color not just the specular highlights. Look back at the example pictures I posted above.

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  Debi Baskerville August 28, 2018 12:13

  I think you will need to learn how to use the principled shader in blender. It is the shader added to Blender for specifically dealing with PBR texturing. I confess I still do my textures in gimp but I understand the methods for doing PBR that way. There are many tutorials on using the principled shader in youtube.

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  Horacio August 28, 2018 20:20

  Using Cycles render or Principled shader is not the best way to setup materials for Sansar. Sansar friendly way is this one: Sansar phong material setup for Blender 2.79 - YouTube 

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  Debi Baskerville August 28, 2018 21:09

  Then if that's so why are you not getting the results you desire? Old Vamp did that tutorial I believe before the Principled shader was available in Blender. But I could be wrong. In any case, I don't use either. Good luck with achieving your goals. :)

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  Just Me January 19, 2019 17:15

  Specular is the map for Highlights/Lowlights of the texture, not shininess. Metallic gives the reflectiveness and Roughness will give you the amplitude of the reflection (i.e. shiny or not). Roughness and Metallic are best in greyscale textures, same applies for all other types of maps except Normal and Albedo.