To procedurally create wave near object :
- create a VRayDistanceTex, a ramp and a shader.
- add object to distTex_set
- set the ramp like below.
- connect VRayDistanceTex.outColorR to ramp.Vcoord
- connect ramp to shader diffuse.
As it's heavy to calculate, it's better to bake it to a texture file map before rendering a long animation.
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