mod camera;
mod colours;
mod parallax;
mod window;

mod _plugin {
	use bevy::app::App;
	use bevy::prelude::{IntoSystemConfig, Plugin};
	use bevy::time::common_conditions::on_fixed_timer;
	use std::time::Duration;

	pub struct SystemPlugin;
	impl Plugin for SystemPlugin {
		fn build(&self, app: &mut App) {
			app.add_startup_system(super::camera::spawn_2d_camera)
				.add_startup_system(super::parallax::spawn_backgrounds)
				.add_system(
					super::parallax::cycle_background_positions
						.run_if(on_fixed_timer(Duration::from_millis(100))),
				);
		}
	}
}

pub use camera::default_projection;
pub use colours::DawnBringerPalette;
pub use parallax::{Background, BACKGROUND_HEIGHT, BACKGROUND_WIDTH};
pub use window::{window_bounds, VIEWPORT_HEIGHT, VIEWPORT_WIDTH};

pub use _plugin::SystemPlugin;