Surface height and normal at a fixed (x, z), at time time (seconds). Gerstner waves move water
sideways, so the point that ends up above (x, z) is found by a few fixed-point iterations.
phase adds a per-wave phase (radians), as the ocean does to keep phases precise far from the origin.
Surface height and normal at a fixed (x, z), at time
time(seconds). Gerstner waves move water sideways, so the point that ends up above (x, z) is found by a few fixed-point iterations.phaseadds a per-wave phase (radians), as the ocean does to keep phases precise far from the origin.