main.rs

use bevy::core_pipeline::clear_color::ClearColorConfig;
use bevy::math::Vec3;
use bevy::prelude::{
	App, Camera2d, Camera2dBundle, Color, Commands, OrthographicProjection, PluginGroup, Rect,
	Transform, Vec2, Window, WindowPlugin,
};
use bevy::render::camera::ScalingMode;
use bevy::window::{WindowMode, WindowResolution};
use bevy::DefaultPlugins;

static VIEWPORT_WIDTH: f32 = 480.0;
static VIEWPORT_HEIGHT: f32 = 300.0;

fn spawn_camera(mut commands: Commands) {
	commands.spawn(Camera2dBundle {
		projection: OrthographicProjection {
			area: Rect::from_center_size(Vec2::ZERO, Vec2::new(VIEWPORT_WIDTH, VIEWPORT_HEIGHT)),
			scaling_mode: ScalingMode::FixedVertical(VIEWPORT_HEIGHT),
			..Default::default()
		},
		camera_2d: Camera2d {
			clear_color: ClearColorConfig::Custom(Color::WHITE),
		},
		transform: Transform::from_translation(Vec3::new(
			VIEWPORT_WIDTH / 2.0,
			VIEWPORT_HEIGHT / 2.0,
			0.0,
		)),
		..Default::default()
	});
}

fn main() {
	App::new()
		.add_plugins(DefaultPlugins.set(WindowPlugin {
			primary_window: Some(Window {
				mode: WindowMode::Windowed,
				title: String::from("Shoot: The Revival"),
				resizable: true,
				resolution: WindowResolution::new(1280.0, 800.0),
				fit_canvas_to_parent: true,
				..Default::default()
			}),
			..Default::default()
		}))
		.add_startup_system(spawn_camera)
		.run();
}