Just modify 2 lines from the scripts and you get visible waterplane when going below surface. The idea is to check camera Y position, if below 0, flip normal and flip matrix for mesh. Boat Attack Project:https://github.com/Unity-Technologies/BoatAttack Inside Water.cs & PlanarReflections.cs replace these 2 lines:

Wanted to make underwater caustics effects with projector, but it failed / doesnt work yet.. Its still missing the animated caustics, water surface is not animated, small bokeh planktons and all that.. no time to finish it now, just got a new idea for 3D […]