Fruit splash in the water

I have done a test splash water bubbles using X-Particles and rendered by Redqueen.

Although still in the testing phase I have integrated some Redqueen features into Cinema 4D.

Fruit splas in the water from T_makoto on Vimeo.

X-Particles

Water bubbles are created openVDB object by X-Particles. You can find bubble tutorial, Bob always introduces a nice tutorial. Not difficult.

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Blender 2.8

Also, a top of the camera has animation water surface was created by Blender 2.8 fluid system. This water surface was used to generate animated caustics throughout the scene. Export alembic from blender and import to Cinema 4D.

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Redqueen

As the bubble gets finer, more ray depth is needed otherwise, ray stoped and surface color get dark. If it needs to get more clean water required a lot of ray depth.

Of course, If need nice caustics details shooting a lot of photons each light and set to a properly radius is also required.