use comfy::*; simple_game!("Single Particle Example", update); fn update(_c: &mut EngineContext) { // We only want to spawn a particle once every 100ms. // Comfy provides a comfy way of doing ad-hoc timers with `Cooldowns`. // // A cooldown is identified by a string key and automatically ticked // by the engine. if cooldowns().can_use("spawn-particle", 0.1) { // Particles are automatically simulated once they're spawned. spawn_particle(Particle { position: random_circle(5.0), size: splat(1.0), velocity: 0.0, velocity_end: 20.0, ..Default::default() }); } }