The curvature shader is an easy way to add detail and realism to your shaders. In this short tutorial, we will use the curvature shader to create a wear and tear shading effect. It will be used to represent where the edges of a hard surface are scraped on the model of a mech. Notice in the image above how the edges of the paint appear worn off, exposing the metal underneath. You can use either a layer shader or a mix_shader in this tutorial.
The shader used in this scene can be downloaded here. |
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A video tutorial can also be found here.
Mix Shader
A mix_shader is used to layer two different standard_surface shaders. We will use one standard_surface shader for the top green paint layer (green) and another standard_surface shader to represent the exposed metallic surface underneath.
Curvature Shader
Bias
Samples
cell_noise → curvature → mix_weight