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https://github.com/virxec/rocketsim-rs

Rust bindings for the RocketSim project
https://github.com/virxec/rocketsim-rs

autocxx bindings cpp rust

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Rust bindings for the RocketSim project

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![image](https://user-images.githubusercontent.com/36944229/219303954-7267bce1-b7c5-4f15-881c-b9545512e65b.png)

[![Build and test](https://github.com/VirxEC/rocketsim-rs/actions/workflows/build-and-test.yaml/badge.svg)](https://github.com/VirxEC/rocketsim-rs/actions/workflows/build-and-test.yaml)

**Rust bindings for the [RocketSim](https://github.com/ZealanL/RocketSim) project**

## Basic usage

```rust
use rocketsim_rs::{
math::Vec3,
sim::{Arena, CarConfig, CarControls, Team},
};
use std::time::Instant;

// Load in the Rocket League assets from the collision_meshes folder in the current directory
rocketsim_rs::init(None, true);

// Create a new arena with gamemode soccar and a tick rate of 120
let mut arena = Arena::default_standard();
println!("Arena tick rate: {}", arena.get_tick_rate());

let car_id = arena.pin_mut().add_car(Team::Blue, CarConfig::octane());

println!("Car id: {car_id}");

{
// custom initial car state
let mut car_state = arena.pin_mut().get_car(car_id);

car_state.pos = Vec3::new(5., 0., 50.);
car_state.vel = Vec3::new(500., 800., 0.);
car_state.boost = 100.;

println!("Created custom car state");

// Make the car boost
arena
.pin_mut()
.set_car_controls(
car_id,
CarControls {
boost: true,
..Default::default()
},
)
.unwrap();

// If car_id can't be found in arena than this will return Err
arena.pin_mut().set_car(car_id, car_state).unwrap();

println!("Set car ({car_id}) state");
}

{
let mut ball_state = arena.pin_mut().get_ball();

ball_state.pos.z = 1050.;
ball_state.vel = Vec3::new(0., 0., 250.);

arena.pin_mut().set_ball(ball_state);

println!("Set ball state");
}

let ticks = 1800;
let curr_time = Instant::now();

arena.pin_mut().step(ticks);

println!("Simulated {}s in {}ms", ticks as f32 / 120., curr_time.elapsed().as_millis());

{
// get the car state again
let car_state = arena.pin_mut().get_car(car_id);

println!("Got new car state");

// You can debug the whole of the state
// but it takes up a lot of space in stdout
// dbg!(&car_state);

println!("New car location: {}", car_state.pos);
println!("New car boost: {}", car_state.boost);
}

// Cast the ball state position to a glam Vec3A
#[cfg(feature = "glam")]
println!("New ball location: {}", arena.pin_mut().get_ball().pos.to_glam());

#[cfg(not(feature = "glam"))]
println!("New ball location: {}", arena.pin_mut().get_ball().pos);
```

## Benchmarks

Numbers are from a system running Ubuntu 23.10 with a Ryzen 9 5900X and 3600MHz CL18 RAM.

Numbers _will_ vary depending on your system. Only default features are enabled.

- `real_bench`:

```bash
Running on 24 threads
Simulated 11.11 hours in 7.003 seconds
FPS: 685459
```

- `cpu_bench`:

```bash
Running on 24 threads
Simulated 55.56 hours in 0.907 seconds
FPS: 26474106
```

- `thread_bench` (1 thread):

```bash
Simulated 2.31 hours in 12.307 seconds
FPS: 81253.64
```