Version: 2020.3
Language : English
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Material parameters

Metallic vs. specular workflow

When you create a material with the Standard shaderA program that runs on the GPU. More info
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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 colorThe color of a specular highlight.
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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:

The fresnel effect visible at grazing angles in relation to the viewer is increasingly apparent as the surface of a material becomes smoother
The fresnel effect visible at grazing angles in relation to the viewer is increasingly apparent as the surface of a material becomes smoother

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 ShadingAn advanced lighting model that simulates the interactions between materials and light in a way that mimics reality. More info
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you can use references from known real-world materials. For some examples of these references, see our Material Charts.

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Material parameters
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