# 7. Ripples

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This scene demonstrates rendering of water ripples effect.

Shader used by the left plane generates *<mark style="color:blue;">normals</mark>* based on the output of the DRM node:

<figure><img src="https://1494537888-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVDsGRBXgFisq0hO6tTXv%2Fuploads%2FWvRq6QWtz8DWNECoKm4e%2F27.png?alt=media&#x26;token=8470ebc3-d358-40f0-8f17-f017f8f1dfc1" alt=""><figcaption></figcaption></figure>

Right plane uses the similar shader but DRM node output as used for vertex displacement too.