As I was not going to make the Garden realistic anymore, I created a similar water ripple effect that is seen in Colosse VR. I think it matches the style and design I am creating for my Garden, simple, low poly looking.
The rectangular ripple effects are made using Unity’s particle system, and changing some settings such as Emission, shape and Renderer Mode to get this specific look. The basic style was also incorporated into the sky, using 1 colour only. I will add some clouds also moving across, possibly using the particle system in Unity.
The smaller image is the water ripple effect form Colosse VR

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