An aquarium where the fish tell the time

An aquarium where the fish tell the time Live: [https://digitalurban.org/Aqua\_Clock\_Web/](https://digitalurban.org/Aqua_Clock_Web/) Code (MIT): [https://github.com/digitalurban/Aqua\_Clock\_Web](https://github.com/digitalurban/Aqua_Clock_Web) Some of what's in it, in case it's useful: \- \*\*The shoal.\*\* The fish are one InstancedMesh with a swim animation in the vertex shader, steered by flocking rules. At the turn of each minute the nearest fish take up the places of the digits. The count is adjustable, from enough to spell any time up to a few hundred. \- \*\*The creatures on the sand.\*\* Ghost shrimp that walk, climb stones and swim up to the tops of the tall rocks, and two small red crabs that walk sideways. Their feet stay planted while the body moves over them, and the leg joints are solved from the foot position. Surface heights for the stones come from each stone's own mesh. \- \*\*The look.\*\* Per-channel fog and water extinction so distance turns the tank blue,…