Developer tutorial demonstrates particle system optimization for game waterfall effects

A NixieFX tutorial explains how to manage visual performance costs for continuous effects like waterfall mist in a Three.js environment. The tutorial uses a specific waterfall prop and a billboard particle effect to create the mist. The emitter generates 24 particles per second, each with a three-second lifetime, resulting in a steady state of approximately 72 active particles. The example highlights the importance of measuring active particle count over visual density for performance budgeting. The demonstration includes a fixed-step simulation to ensure consistent and repeatable behavior for comparison.