Ira

A general-purpose, code-first game engine.

Features

• PBR rendering and lighting with wgpu for graphics
• Simple packaging system for game assets with ira_drum
  • glTF 2.0 support
  • OBJ support
• Physics with rapier
• Built-in multiplayer support with custom packet support
• Headless server, client, and server-client support

Examples

struct App {
  car: InstanceRef,
}

impl ira::App for App {
  fn on_init(_window: &mut Window) -> Drum {
    Drum::from_path("car.drum").unwrap()
  }

  fn on_ready(ctx: &mut Context) -> Self {
    Self {
      car: ctx.add_instance(0, Instance::builder().up(Vec3::Z))
    }
  }

  fn on_update(&mut self, ctx: &mut Context, delta: Duration) {
    self.car.update(ctx, |i, p| i.rotate_y(p, delta.as_secs_f32() * PI * 0.25));
  }
}

fn main() -> Result<(), EventLoopError> {
  Game::<App>::default().run()
}

More examples can be found in the examples directory.

Preparing assets

The ira tool can be used to pack various game assets (glTF, etc.) into a single Drum.

See the ira_cli documentation for more information.

Screenshots

License

Licensed under the MIT license.