feat: Player, assets and basic movement

src/layout.rs

@@ -0,0 +1 @@
+

src/lib.rs

@@ -0,0 +1,34 @@
+pub mod player;
+pub mod layout;
+
+use bevy::prelude::*;
+
+pub struct ExpeditionPlugin;
+
+fn camera_bundle() -> impl Bundle {
+    (
+        Camera2d,
+        Camera {
+            clear_color: ClearColorConfig::Custom(Color::hsl(0.02, 0.67, 0.65)),
+            ..default()
+        },
+        Projection::Orthographic(OrthographicProjection {
+            scaling_mode: bevy::camera::ScalingMode::FixedVertical {
+                viewport_height: 384.,
+            },
+            scale: 1.,
+            ..OrthographicProjection::default_2d()
+        }),
+    )
+}
+
+fn setup_global(mut commands: Commands) {
+    commands.spawn(camera_bundle());
+}
+
+impl Plugin for ExpeditionPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, (player::setup_player, setup_global))
+            .add_systems(Update, player::handle_input);
+    }
+}

src/main.rs

@@ -1,54 +1,10 @@
 use bevy::prelude::*;
 
-#[derive(Component)]
-struct Person;
-
-#[derive(Component)]
-struct Name(String);
-
-#[derive(Resource)]
-struct GreetTimer(Timer);
-
-#[derive(Resource)]
-struct UpdateTimer(Timer);
-
-pub struct HelloPlugin;
-
-impl Plugin for HelloPlugin {
-    fn build(&self, app: &mut App) {
-        app.insert_resource(GreetTimer(Timer::from_seconds(2.0, TimerMode::Repeating)));
-        app.insert_resource(UpdateTimer(Timer::from_seconds(10.0, TimerMode::Once)));
-        app.add_systems(Startup, add_people);
-        app.add_systems(Update, (update_people, greet_people).chain());
-    }
-}
-
-
-fn add_people(mut commands: Commands) {
-    commands.spawn((Person, Name("Alkesey Mirnekov".to_string())));
-    commands.spawn((Person, Name("Alkesey Mirnekov 2".to_string())));
-    commands.spawn((Person, Name("Alkesey Mirnekov 3".to_string())));
-}
-
-fn greet_people(time: Res<Time>, mut timer: ResMut<GreetTimer>, query: Query<&Name, With<Person>>) {
-    if timer.0.tick(time.delta()).just_finished() {
-        for name in &query {
-            println!("hello {}!", name.0);
-        }
-    }
-}
-
-fn update_people(time: Res<Time>, mut timer: ResMut<UpdateTimer>, mut query: Query<&mut Name, With<Person>>) {
-    if timer.0.tick(time.delta()).just_finished() {
-        for mut name in &mut query {
-            name.0 = format!("{} II", name.0);
-        }
-    }
-}
+use expedition_demo::ExpeditionPlugin;
 
 fn main() {
     App::new()
-    .add_plugins(DefaultPlugins)
-    .add_plugins(HelloPlugin)
+    .add_plugins(DefaultPlugins.set(ImagePlugin::default_nearest()))
+    .add_plugins(ExpeditionPlugin)
     .run();
 }

src/player.rs

@@ -0,0 +1,41 @@
+use bevy::prelude::*;
+
+#[derive(Component)]
+pub struct Player {
+    // px/s
+    speed: f32,
+}
+
+fn player_bundle(asset_server: &Res<AssetServer>) -> impl Bundle {
+    let image = asset_server.load("sprites/player/player.png");
+    (
+        Player {
+            speed: 51.2,
+        },
+        Sprite::from_image(image),
+        Transform::from_xyz(0f32, 0f32, 1f32),
+    )
+}
+
+pub fn setup_player(mut commands: Commands, asset_server: Res<AssetServer>) {
+    commands.spawn(player_bundle(&asset_server));
+}
+
+pub fn handle_input(
+    key_input: Res<ButtonInput<KeyCode>>,
+    time: Res<Time>,
+    player: Query<(&Player, &mut Transform, &mut Sprite)>,
+) {
+    let exclusive_pressed = key_input.pressed(KeyCode::KeyA) != key_input.pressed(KeyCode::KeyD);
+    let direction = if !exclusive_pressed { 0f32 }
+        else if key_input.pressed(KeyCode::KeyA) { -1f32 }
+        else if key_input.pressed(KeyCode::KeyD) { 1f32 }
+        else { unreachable!() };
+
+    for (Player {speed}, mut transform, mut sprite) in player {
+        transform.translation.x += direction * speed * time.delta_secs();
+        if direction != 0f32 {
+            sprite.flip_x = direction < 0f32;
+        }
+    }
+}