add world plugin

.cargo/config.toml

@@ -0,0 +1,8 @@
+# for Linux
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-C", "link-arg=-fuse-ld=lld"]
+
+# for Windows
+[target.x86_64-pc-windows-msvc]
+linker = "rust-lld.exe"

Cargo.toml

@@ -4,6 +4,15 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-avian2d = "0.5.0"
-bevy = "0.18.0"
-bevy_egui = "0.39.1"
+avian2d = "0.6.1"
+bevy = { version = "0.18.0", features = ["dynamic_linking"] }
+
+
+# Enable a small amount of optimization in the dev profile.
+[profile.dev]
+opt-level = 1
+
+# Enable a large amount of optimization in the dev profile for dependencies.
+[profile.dev.package."*"]
+opt-level = 3
+

assets/player.png

@@ -1 +0,0 @@
-/home/mitchell/Pictures/player.png

src/avian.rs

@@ -1,6 +1,9 @@
 use avian2d::{math::*, prelude::*};
 use bevy::prelude::*;
 
+
+const PLAYER_SPEED: f32 = 300.0;
+
 pub struct CharacterControllerPlugin;
 
 impl Plugin for CharacterControllerPlugin {
@@ -26,6 +29,10 @@ pub struct MaxSpeed(Scalar);
 #[derive(Component, Default, Copy, Clone)]
 pub struct MaxAcceleration(Scalar);
 
+/// Whether inputs are enabled for a CharacterController.
+#[derive(Component, Default, Copy, Clone)]
+pub struct InputEnabled(pub bool);
+
 /// A bundle that contains the components needed for a basic
 /// kinematic character controller.
 #[derive(Bundle)]
@@ -35,16 +42,18 @@ pub struct CharacterControllerBundle {
     collider: Collider,
     speed: MaxSpeed,
     acceleration: MaxAcceleration,
+    enabled: InputEnabled,
 }
 
 impl CharacterControllerBundle {
     pub fn new(collider: Collider) -> Self {
         Self {
             character_controller: CharacterController,
-            body: RigidBody::Kinematic,
+            body: RigidBody::Dynamic,
             collider,
-            speed: MaxSpeed(300.),
+            speed: MaxSpeed(PLAYER_SPEED),
             acceleration: MaxAcceleration(5000.),
+            enabled: InputEnabled(true),
         }
     }
 }
@@ -93,21 +102,24 @@ fn gamepad_input(mut movement_writer: MessageWriter<MovementAction>, gamepads: Q
 fn movement(
     time: Res<Time>,
     mut movement_reader: MessageReader<MovementAction>,
-    mut controllers: Query<(&MaxSpeed, &MaxAcceleration, &mut LinearVelocity)>,
+    mut controllers: Query<(&MaxSpeed, &MaxAcceleration, &mut LinearVelocity, &InputEnabled)>,
 ) {
     // Precision is adjusted so that the example works with
     // both the `f32` and `f64` features. Otherwise you don't need this.
     let delta_time = time.delta_secs_f64().adjust_precision();
 
-    for (max_speed, max_acceleration, mut linear_velocity) in &mut controllers {
-        while movement_reader.len() > 1 {
-            warn!("Extra movement message. Ignoring");
-            movement_reader.read();
-        }
+    for (max_speed, max_acceleration, mut linear_velocity, enabled) in &mut controllers {
+        if enabled.0 {
+            // let len = movement_reader.len();
+            // while len > 1 {
+            //     warn!("Extra movement message. Ignoring");
+            //     println!("{}", len);
+            //     let _ = movement_reader.read().take(len - 1).count();
+            // }
 
             let target = movement_reader
                 .read()
-            .next()
+                .last()
                 .map(|ma| ma.0)
                 .unwrap_or_default()
                 * max_speed.0;
@@ -119,5 +131,8 @@ fn movement(
                 delta = delta.normalize() * max_acceleration;
             }
             **linear_velocity += delta;
+        } else {
+            **linear_velocity = Vec2::ZERO;
+        }
     }
 }

src/main.rs

@@ -1,44 +1,51 @@
 use crate::avian::{CharacterControllerBundle, CharacterControllerPlugin};
+use crate::world::{MainCamera, Player, WorldPlugin};
+use avian2d::parry::simba::simd::SimdComplexField;
 use avian2d::{
+    prelude::*,
     PhysicsPlugins,
-    math::Vector,
-    prelude::{Collider, Gravity, RigidBody},
 };
+use bevy::tasks::futures_lite::StreamExt;
 use bevy::{camera::ScalingMode, color::palettes::css::GREEN, prelude::*};
-use bevy_egui::{EguiContexts, EguiPlugin, EguiPrimaryContextPass, egui};
-
 pub mod avian;
+pub mod world;
+
 
 fn main() {
     App::new()
         .add_plugins((
-            DefaultPlugins,
-            EguiPlugin::default(),
+            // DefaultPlugins,
+            DefaultPlugins.set(ImagePlugin::default_nearest()),
             // Add physics plugins and specify a units-per-meter scaling factor, 1 meter = 20 pixels.
             // The unit allows the engine to tune its parameters for the scale of the world, improving stability.
             PhysicsPlugins::default().with_length_unit(20.0),
             CharacterControllerPlugin,
+            WorldPlugin,
         ))
         .add_systems(Startup, setup)
         .add_systems(Update, debug_border)
-        .add_systems(EguiPrimaryContextPass, connection_ui)
-        .insert_resource(Gravity(Vector::ZERO))
         .run();
 }
 
+
+
+
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
     let mut projection = OrthographicProjection::default_2d();
     projection.scaling_mode = ScalingMode::AutoMin {
         min_width: 1920.,
         min_height: 1080.,
     };
-    commands.spawn((Camera2d, Projection::Orthographic(projection)));
+    commands.spawn((Camera2d, MainCamera, Projection::Orthographic(projection)));
 
     // player
     commands.spawn((
-        Sprite::from_image(asset_server.load("player.png")),
-        Transform::from_xyz(0.0, 0.0, 0.0),
-        CharacterControllerBundle::new(Collider::capsule(15., 27.5)),
+        Sprite::from_image(asset_server.load("south.png")),
+
+        Player,
+        Transform::from_xyz(0.0, 0.0, 2.0).with_scale(Vec3::splat(4.0)),
+        CharacterControllerBundle::new(Collider::rectangle(14.0, 30.0)),
+        LockedAxes::ROTATION_LOCKED,
     ));
 
     // A cube to move around
@@ -48,21 +55,16 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
             custom_size: Some(Vec2::new(30.0, 30.0)),
             ..default()
         },
-        Transform::from_xyz(50.0, -100.0, 0.0),
+        Transform::from_xyz(50.0, -100.0, 1.0),
         RigidBody::Dynamic,
         Collider::rectangle(30.0, 30.0),
     ));
+
+
+
+
 }
 
 fn debug_border(mut gizmos: Gizmos) {
     gizmos.rect_2d(Isometry2d::IDENTITY, Vec2::new(1920., 1080.), GREEN);
 }
-
-fn connection_ui(mut contexts: EguiContexts) -> Result {
-    let mut text = String::from("hello");
-    egui::Window::new("Connection").show(contexts.ctx_mut()?, |ui| {
-        ui.label("connection:");
-        ui.text_edit_singleline(&mut text)
-    });
-    Ok(())
-}

src/world.rs

@@ -0,0 +1,368 @@
+use avian2d::math::Vector;
+use avian2d::prelude::{Collider, CollidingEntities, CollisionEventsEnabled, CollisionStart, Gravity, RigidBody, Sensor};
+use bevy::camera::Viewport;
+use bevy::prelude::*;
+use bevy::window::PrimaryWindow;
+use crate::avian::InputEnabled;
+
+
+const ROOM_WIDTH: f32 = 1920.0;
+const ROOM_HEIGHT: f32 = 1080.0;
+const WALL_THICKNESS: f32 = 20.0;
+const DOOR_WIDTH: f32 = 120.0;
+const DOOR_DEPTH: f32 = 40.0;
+const SPAWN_DISTANCE: f32 = 80.0;
+
+const FADE_DURATION: f32 = 0.35;
+
+
+
+const TARGET_ASPECT: f32 = ROOM_WIDTH / ROOM_HEIGHT;
+const HALF_W: f32 = ROOM_WIDTH / 2.0;
+const HALF_H: f32 = ROOM_HEIGHT / 2.0;
+
+
+pub struct WorldPlugin;
+
+impl Plugin for WorldPlugin {
+    fn build(&self, app: &mut App) {
+        app
+            .add_systems(Startup, setup)
+            .add_systems(
+                Update,
+                (
+                    door_detection.run_if(in_state(GameState::Playing)),
+                    transition_system.run_if(in_state(GameState::Transitioning)),
+                    update_viewport,
+                ),
+            )
+            .init_state::<GameState>()
+            .insert_resource(CurrentRoom(IVec2::ZERO))
+            .insert_resource(Gravity(Vector::ZERO))
+            .insert_resource(ClearColor(Color::BLACK));
+    }
+}
+
+fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
+    spawn_room(&mut commands, IVec2::new(0, 0), vec![Direction::North, Direction::East], &asset_server);
+    spawn_room(&mut commands, IVec2::new(1, 0), vec![Direction::West], &asset_server);
+    spawn_room(&mut commands, IVec2::new(0, 1), vec![Direction::South], &asset_server);
+
+
+    commands.spawn((
+        Node {
+            width: Val::Percent(100.0),
+            height: Val::Percent(100.0),
+            position_type: PositionType::Absolute,
+            ..default()
+        },
+        BackgroundColor(Color::srgba(0.0, 0.0, 0.0, 0.0)),
+        FadeOverlay,
+    ));
+}
+
+
+#[derive(States, Default, Clone, Eq, PartialEq, Hash, Debug)]
+enum GameState {
+    #[default]
+    Playing,
+    Transitioning,
+}
+
+#[derive(Resource)]
+struct CurrentRoom(IVec2);
+
+#[derive(Resource)]
+struct RoomTransition {
+    target_room: IVec2,
+    target_player_position: Vec2,
+    timer: Timer,
+    phase: TransitionPhase,
+}
+
+#[derive(Clone, Copy, PartialEq)]
+enum TransitionPhase {
+    FadeOut,
+    FadeIn,
+}
+
+#[derive(Component)]
+pub struct Player;
+
+#[derive(Component)]
+pub struct MainCamera;
+
+#[derive(Component)]
+struct FadeOverlay;
+
+#[derive(Component)]
+struct Door {
+    room: IVec2,
+    travel_direction: Direction,
+}
+
+#[derive(Clone, Copy, PartialEq)]
+enum Direction {
+    North,
+    South,
+    East,
+    West,
+}
+
+
+
+
+fn spawn_room(commands: &mut Commands, room: IVec2, door_directions: Vec<Direction>, asset_server: &Res<AssetServer>) {
+    let center = room_center(room);
+
+    commands.spawn((
+        Sprite {
+            image: asset_server.load("img.png"),
+            custom_size: Some(Vec2::new(ROOM_WIDTH, ROOM_HEIGHT)),
+            image_mode: SpriteImageMode::Tiled {
+                tile_x: true,
+                tile_y: true,
+                stretch_value: 1.0
+            },
+            ..default()
+        },
+
+        // Sprite::from_color(color, Vec2::new(ROOM_WIDTH, ROOM_HEIGHT)),
+        Transform::from_translation(center),
+    ));
+
+    spawn_doors(commands, room, door_directions);
+    spawn_room_walls(commands, center);
+}
+
+fn spawn_room_walls(commands: &mut Commands, center: Vec3) {
+
+    // LEFT
+    commands.spawn((
+        RigidBody::Static,
+        Sprite::from_color(Color::srgb(0.5, 0.5, 0.5), Vec2::new(WALL_THICKNESS, ROOM_HEIGHT)),
+        Collider::rectangle(WALL_THICKNESS, ROOM_HEIGHT),
+        Transform::from_xyz(
+            center.x - HALF_W + WALL_THICKNESS / 2.0,
+            center.y,
+            10.0,
+        ),
+    ));
+
+    // RIGHT
+    commands.spawn((
+        RigidBody::Static,
+        Sprite::from_color(Color::srgb(0.5, 0.5, 0.5), Vec2::new(WALL_THICKNESS, ROOM_HEIGHT)),
+        Collider::rectangle(WALL_THICKNESS, ROOM_HEIGHT),
+        Transform::from_xyz(
+            center.x + HALF_W - WALL_THICKNESS / 2.0,
+            center.y,
+            10.0,
+        ),
+    ));
+
+    // TOP
+    commands.spawn((
+        RigidBody::Static,
+        Sprite::from_color(Color::srgb(0.5, 0.5, 0.5), Vec2::new(ROOM_WIDTH, WALL_THICKNESS)),
+        Collider::rectangle(ROOM_WIDTH, WALL_THICKNESS),
+        Transform::from_xyz(
+            center.x,
+            center.y + HALF_H - WALL_THICKNESS / 2.0,
+            10.0,
+        ),
+    ));
+
+    // BOTTOM
+    commands.spawn((
+        RigidBody::Static,
+        Sprite::from_color(Color::srgb(0.5, 0.5, 0.5), Vec2::new(ROOM_WIDTH, WALL_THICKNESS)),
+        Collider::rectangle(ROOM_WIDTH, WALL_THICKNESS),
+        Transform::from_xyz(
+            center.x,
+            center.y - HALF_H + WALL_THICKNESS / 2.0,
+            10.0,
+        ),
+    ));
+}
+
+fn spawn_doors(commands: &mut Commands, room: IVec2, door_directions: Vec<Direction>) {
+    let room_center = room_center(room);
+    const HALF_DEPTH: f32 = DOOR_DEPTH / 2.0;
+
+    for direction in door_directions {
+        let transform: Transform;
+        let size: Vec2;
+        match direction {
+            Direction::North => {
+                transform = Transform::from_xyz(room_center.x, room_center.y + HALF_H - HALF_DEPTH, 1.0);
+                size = Vec2::new(DOOR_WIDTH, DOOR_DEPTH);
+            },
+            Direction::East => {
+                transform = Transform::from_xyz(room_center.x + HALF_W - HALF_DEPTH, room_center.y, 1.0);
+                size = Vec2::new(DOOR_DEPTH, DOOR_WIDTH);
+            },
+            Direction::South => {
+                transform = Transform::from_xyz(room_center.x, room_center.y - HALF_H + HALF_DEPTH, 1.0);
+                size = Vec2::new(DOOR_WIDTH, DOOR_DEPTH);
+            },
+            Direction::West => {
+                transform = Transform::from_xyz(room_center.x - HALF_W + HALF_DEPTH, room_center.y, 1.0);
+                size = Vec2::new(DOOR_DEPTH, DOOR_WIDTH);
+            }
+        }
+
+        commands.spawn((
+            Sprite::from_color(Color::srgb(0.1, 0.1, 0.1), size),
+            Collider::rectangle(size.x, size.y),
+            Sensor,
+            CollisionEventsEnabled,
+            CollidingEntities::default(),
+            Door {
+                room: IVec2::from(room),
+                travel_direction: direction,
+            },
+            transform,
+            GlobalTransform::default(),
+        ));
+    }
+}
+
+
+fn door_detection(
+    mut commands: Commands,
+    mut next_state: ResMut<NextState<GameState>>,
+    player: Single<(Entity, &Transform), With<Player>>,
+    doors: Query<&Door>,
+    mut started: MessageReader<CollisionStart>,
+) {
+
+    for event in started.read() {
+        println!("CollisionStart: {event:?}");
+        let door = doors.get(event.collider2);
+        if event.collider1 == player.0 && door.is_ok() {
+            commands.insert_resource(RoomTransition {
+                target_room: door_target_room(door.unwrap()),
+                target_player_position: door_target_position(door.unwrap()),
+                timer: Timer::from_seconds(
+                    FADE_DURATION,
+                    TimerMode::Once,
+                ),
+                phase: TransitionPhase::FadeOut,
+            });
+
+            commands.entity(player.0).insert(InputEnabled(false));
+            next_state.set(GameState::Transitioning);
+
+        }
+    }
+}
+
+
+fn door_target_room(door: &Door) -> IVec2 {
+    match door.travel_direction {
+        Direction::North => IVec2::new(door.room.x, door.room.y + 1),
+        Direction::East => IVec2::new(door.room.x + 1, door.room.y),
+        Direction::South => IVec2::new(door.room.x, door.room.y - 1),
+        Direction::West => IVec2::new(door.room.x - 1, door.room.y),
+    }
+}
+
+fn door_target_position(door: &Door) -> Vec2 {
+    match door.travel_direction {
+        Direction::North => Vec2::new(0.0, -HALF_H + WALL_THICKNESS + DOOR_DEPTH + SPAWN_DISTANCE),
+        Direction::East => Vec2::new(-HALF_W + WALL_THICKNESS + DOOR_DEPTH + SPAWN_DISTANCE, 0.0),
+        Direction::South => Vec2::new(0.0, HALF_H - WALL_THICKNESS - DOOR_DEPTH - SPAWN_DISTANCE),
+        Direction::West => Vec2::new(HALF_W - WALL_THICKNESS - DOOR_DEPTH - SPAWN_DISTANCE, 0.0),
+    }
+}
+
+fn transition_system(
+    mut commands: Commands,
+    time: Res<Time>,
+    mut transition: ResMut<RoomTransition>,
+    mut next_state: ResMut<NextState<GameState>>,
+    mut current_room: ResMut<CurrentRoom>,
+    mut player: Single<(Entity, &mut Transform), With<Player>>,
+    mut camera: Query<&mut Transform, (With<MainCamera>, Without<Player>)>,
+    mut overlay: Query<&mut BackgroundColor, With<FadeOverlay>>,
+) {
+    transition.timer.tick(time.delta());
+
+    let mut overlay_color = overlay.single_mut().unwrap();
+
+    match transition.phase {
+        TransitionPhase::FadeOut => {
+            let alpha = transition.timer.fraction();
+
+            overlay_color.0 = Color::srgba(0.0, 0.0, 0.0, alpha);
+
+            if transition.timer.is_finished() {
+                current_room.0 = transition.target_room;
+
+                let room_center =
+                    room_center(transition.target_room);
+
+                player.1.translation =
+                    room_center
+                        + transition.target_player_position.extend(10.0);
+
+                camera.single_mut().unwrap().translation =
+                    room_center + Vec3::new(0.0, 0.0, 999.0);
+
+                transition.phase = TransitionPhase::FadeIn;
+                transition.timer.reset();
+            }
+        }
+
+        TransitionPhase::FadeIn => {
+            let alpha = 1.0 - transition.timer.fraction();
+
+            overlay_color.0 = Color::srgba(0.0, 0.0, 0.0, alpha);
+
+            if transition.timer.is_finished() {
+                commands.entity(player.0).insert(InputEnabled(true));
+                next_state.set(GameState::Playing);
+            }
+        }
+    }
+}
+
+fn update_viewport(
+    window: Single<&Window, With<PrimaryWindow>>,
+    mut camera: Single<&mut Camera>,
+) {
+    let window_width = window.physical_width();
+    let window_height = window.physical_height();
+
+    let window_aspect = window_width as f32 / window_height as f32;
+
+    let (viewport_width, viewport_height) = if window_aspect > TARGET_ASPECT {
+        // Ultrawide: black bars left/right
+        let h = window_height;
+        let w = (h as f32 * TARGET_ASPECT) as u32;
+        (w, h)
+    } else {
+        // Too tall: black bars top/bottom
+        let w = window_width;
+        let h = (w as f32 / TARGET_ASPECT) as u32;
+        (w, h)
+    };
+
+    let x = (window_width - viewport_width) / 2;
+    let y = (window_height - viewport_height) / 2;
+
+    camera.viewport = Some(Viewport {
+        physical_position: UVec2::new(x, y),
+        physical_size: UVec2::new(viewport_width, viewport_height),
+        ..default()
+    });
+}
+
+fn room_center(room: IVec2) -> Vec3 {
+    Vec3::new(
+        room.x as f32 * ROOM_WIDTH,
+        room.y as f32 * ROOM_HEIGHT,
+        0.0,
+    )
+}