How to Make Underwater Lighting in Unreal

We all know the look of the sun shining through the water and casting all sorts of weird shaped on the bottom of a lake, pool, glass of water, you name it. Those are called caustics. Well, that's actually a very complex interaction but we can fake it decently well with some simple techniques that 'll go over in this video.
Get the project files here : / unreal-engine-84756832
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[@heisenberg3206]

does this work on static mobility?

[@thegamedevcave]

since the light itself moves, it has to be dynamic, so set to movable and can't be baked.

[@heisenberg3206]

@@thegamedevcave I have all static mesh actors set as static mobility and only rec light with caustics material set to movable mobility. Will I get the intended result or not?

[@kingmurder8245]

first