feat: camera boundaries

src/game.rs

@@ -8,7 +8,7 @@ use crate::{
 };
 
 use self::{
-    camera::{CameraFollow, GameCameraPlugin},
+    camera::{CameraFollow, GameCameraPlugin, WORLD_WIDTH},
     kinematic::KinematicPlugin,
     player::PlayerPlugin,
 };
@@ -27,9 +27,9 @@ pub fn init() {
         .add_plugin(KinematicPlugin)
         .add_plugin(GameCameraPlugin)
         .add_plugin(Terrain2DPlugin)
-        // .add_plugin(PlayerPlugin)
+        .add_plugin(PlayerPlugin)
         .add_startup_system(setup_debug_terrain)
-        .add_startup_system(setup_debug_camera)
+        // .add_startup_system(setup_debug_camera)
         .add_system(debug_controls)
         .run();
 }
@@ -57,8 +57,8 @@ fn setup_debug_camera(mut commands: Commands) {
 
 fn setup_debug_terrain(mut terrain: ResMut<Terrain2D>) {
     let terrain_gen = TerrainGen2D::new(432678);
-    for y in 0..(512 / Chunk2D::SIZE_Y as i32) {
-        for x in 0..(512 / Chunk2D::SIZE_X as i32) {
+    for y in 0..(WORLD_WIDTH / Chunk2D::SIZE_Y as i32) {
+        for x in 0..(WORLD_WIDTH / Chunk2D::SIZE_X as i32) {
             let position = Vector2I { x, y };
             terrain.add_chunk(position, terrain_gen.gen_chunk(&position));
         }

src/game/camera.rs

@@ -6,6 +6,8 @@ use bevy_inspector_egui::{Inspectable, RegisterInspectable};
 
 use crate::util::{move_towards_vec3, vec3_lerp};
 
+pub const WORLD_WIDTH: i32 = 512;
+
 pub struct GameCameraPlugin;
 
 impl Plugin for GameCameraPlugin {
@@ -41,8 +43,9 @@ fn camera_setup(mut commands: Commands) {
         Name::new("Camera"),
         Camera2dBundle {
             projection: OrthographicProjection {
-                scaling_mode: ScalingMode::FixedHorizontal(512.0),
-                window_origin: WindowOrigin::BottomLeft,
+                scaling_mode: ScalingMode::FixedHorizontal(WORLD_WIDTH as f32),
+                window_origin: WindowOrigin::Center,
+                scale: 0.5,
                 ..default()
             },
             camera_2d: Camera2d {
@@ -57,7 +60,7 @@ fn camera_setup(mut commands: Commands) {
 
 fn camera_system(
     time: Res<Time>,
-    mut camera_query: Query<&mut Transform, With<Camera2d>>,
+    mut camera_query: Query<(&mut Transform, &OrthographicProjection), With<Camera2d>>,
     follow_query: Query<(&Transform, &CameraFollow), Without<Camera2d>>,
 ) {
     let (target, follow) = match follow_query
@@ -68,25 +71,41 @@ fn camera_system(
         None => return,
     };
 
-    for mut camera_transform in camera_query.iter_mut() {
+    // let offset = Vec3::new(WORLD_WIDTH as f32 / 2.0, 0.0, 999.9);
+    for (mut camera_transform, projection) in camera_query.iter_mut() {
+        let left_limit = 0.0;
+        let right_limit = WORLD_WIDTH as f32;
+        let offset = Vec3::new(0.0, 0.0, 999.9);
         match follow.movement {
             FollowMovement::Instant => {
-                camera_transform.translation = target.translation * Vec3::new(0.0, 1.0, 1.0)
+                camera_transform.translation = target.translation + offset;
             }
             FollowMovement::Linear(speed) => {
                 camera_transform.translation = move_towards_vec3(
                     camera_transform.translation,
-                    target.translation * Vec3::new(0.0, 1.0, 1.0),
+                    target.translation + offset,
                     speed * time.delta_seconds(),
-                )
+                );
             }
             FollowMovement::Smooth(speed) => {
                 camera_transform.translation = vec3_lerp(
                     camera_transform.translation,
-                    target.translation * Vec3::new(0.0, 1.0, 1.0),
+                    target.translation + offset,
                     speed * time.delta_seconds(),
-                )
+                );
             }
         }
+        let camera_x = camera_transform.translation.x;
+        camera_transform.translation += Vec3::new(
+            (left_limit - (projection.left * projection.scale + camera_x)).max(0.0),
+            0.0,
+            0.0,
+        );
+        let camera_x = camera_transform.translation.x;
+        camera_transform.translation += Vec3::new(
+            (right_limit - (projection.right * projection.scale + camera_x)).min(0.0),
+            0.0,
+            0.0,
+        );
     }
 }

src/game/player.rs

@@ -43,7 +43,7 @@ pub fn player_system(
     };
 
     kinematic_input.movement = movement;
-    kinematic_input.want_jump = input.just_pressed(KeyCode::Space)
+    kinematic_input.want_jump = input.pressed(KeyCode::Space)
 }
 
 fn input_to_axis(negative: bool, positive: bool) -> f32 {
@@ -59,8 +59,10 @@ fn input_to_axis(negative: bool, positive: bool) -> f32 {
 
 pub fn player_spawn(mut commands: Commands) {
     let kinematic = KinematicBundle {
-        collider: Collider::cuboid(8.0, 16.0),
-        transform: TransformBundle::default(),
+        collider: Collider::round_cuboid(4.0, 8.0, 1.0),
+        transform: TransformBundle::from_transform(Transform::from_translation(Vec3::new(
+            256.0, 128.0, 0.0,
+        ))),
         ..default()
     };
 
@@ -70,7 +72,7 @@ pub fn player_spawn(mut commands: Commands) {
         .insert(SpriteBundle {
             sprite: Sprite {
                 color: Color::rgb(0.75, 0.25, 0.25),
-                custom_size: Some(Vec2 { x: 16.0, y: 32.0 }),
+                custom_size: Some(Vec2 { x: 8.0, y: 16.0 }),
                 ..default()
             },
             ..default()
@@ -81,7 +83,7 @@ pub fn player_spawn(mut commands: Commands) {
         })
         .insert(KinematicInput::default())
         .insert(CameraFollow {
-            priority: 0,
+            priority: 1,
             movement: FollowMovement::Smooth(7.0),
         });
 }

src/terrain2d/chunk2d.rs

@@ -17,7 +17,8 @@ type Island = VecDeque<Segment2I>;
 lazy_static! {
     pub static ref COLOR_MAP: HashMap<TexelID, [u8; 4]> = {
         let mut map = HashMap::new();
-        map.insert(0, [0x03, 0x03, 0x03, 0xff]);
+        map.insert(0, [0x00, 0x00, 0x00, 0x00]);
+        // map.insert(0, [0x03, 0x03, 0x03, 0xff]);
         // map.insert(1, [0x47, 0x8e, 0x48, 0xff]);
         map.insert(1, [0x9e, 0x7f, 0x63, 0xff]);
         map.insert(2, [0x38, 0x32, 0x2d, 0xff]);