Version: 2019.4
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Metallic vs. specular workflow

When you create a material with the Standard shader you have the choice of using one of two shaders: Standard or Standard (Specular setup). They differ in the data they take as follows:

Standard: The shader exposes a “metallic” value that states whether the material is metallic or not. In the case of a metallic material, the Albedo color controls the color of the specular reflection and most light reflects as specular reflections. Non-metallic materials have specular reflections that are the same color as the incoming light and barely reflect when looking at the surface face-on.

Standard (Specular setup): Choose this shader for the classic approach. Use a specular color to control the color and strength of specular reflections in the material. This makes it possible to have a specular reflection of a different color than the diffuse reflection.

You can achieve a good representation of most common material types using either method, so for the most part choosing one or the other is a matter of personal preference to suit your art workflow. The following example shows a rubbery plastic material created in both Standard and Standard Specular workflows:

El efecto fresnel visible en ángulo de vista en relación al espectador es más aparente a medida que la superficie de un material se vuelve más suave
El efecto fresnel visible en ángulo de vista en relación al espectador es más aparente a medida que la superficie de un material se vuelve más suave

The first image represents the metallic workflow, where you set the metallic to zero (non-metallic). The second setup is nearly identical but you set the specular to nearly black (so you don’t get metallic mirror-like reflections).

In the world of Physically Based Shading you can use references from known real-world materials. For some examples of these references, see our Material Charts.

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