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This tutorial covers how to render an ocean scene using nothing but a polygon plane and an HDR image connected to a Skydome light. The detail for the ocean shader will come from a vector displacement map. There are a variety of attributes to set when using displacement mapping. However, it is very simple to set up and get convincing results using the right settings.

The ocean displacement map can be downloaded here.
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  • Start off by creating a polygon plane that can be used as the ocean surface:
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Ocean Material

  • Create a Standard Surface shader and assign it to the polygon plane. Set the Diffuse to 0. Increase the Specular Weight to around 1. Increase the Transmission Weight to 1 (this will make the water transparent). Finally set the index of refraction to that of water 1.33.

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