hypoloop/examples/multiverse.rs

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Rust
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2021-08-13 02:46:56 -06:00
use std::time::Duration;
use hypoloop::core::{State, Loop};
// this is a demonstration of running two different Loops simultaneously, both acting on the same data
fn main() {
// create a vector of sim loops
let mut multiverse: Vec<&mut Loop> = vec![];
// Sim A
let mut sim_a = Loop::new();
sim_a.set_update_interval(40);
sim_a.mut_state().set_timescale(1.0);
multiverse.push(&mut sim_a);
// Sim B
// twice the speed and twice the updates
let mut sim_b = Loop::new();
sim_b.set_update_interval(40);
sim_b.mut_state().set_timescale(2.0);
multiverse.push(&mut sim_b);
// shared variable
let mut x = Duration::new(0,0);
// tick behavior
// note how "state" switches between Sim A and B but x doesn't
// I'm purposefully NOT moving ownership of x into this closure so that I can access it later
let mut tick = |state: &mut State| {
// access loop metadata via the State object
x = (x + state.get_sim_time()) / 2;
print!("Average sim time: {} | ", x.as_millis());
// print information about the current tick's timings
state.debug_time();
};
// create a closure containing your display logic
let mut display = move |state: &mut State| {
//
};
// run both sims simultaneously
sim_a.init();
sim_b.init();
loop {
sim_a.step(&mut tick, &mut display);
sim_b.step(&mut tick, &mut display);
}
}