src/drops.rs

@@ -7,11 +7,7 @@ use bevy_rand::prelude::*;
 use bevy_rapier2d::prelude::*;
 use rand::Rng;
 
-use crate::{
-    player::{LifeChangeEvent, Player},
-    scene::SceneObj,
-    METER,
-};
+use crate::{player::Player, scene::SceneObj, METER};
 
 #[derive(Component)]
 struct SpawnTimer(pub Timer);
@@ -31,13 +27,7 @@ pub fn spawner_plugin(app: &mut App) {
         .add_systems(Startup, add_timer)
         .add_systems(
             Update,
-            (
-                drop_crates,
-                do_drop,
-                crate_collisions,
-                delete_on_env_coll,
-                player_coll,
-            ),
+            (drop_crates, do_drop, crate_collisions, delete_on_env_coll),
         );
 }
 
@@ -140,27 +130,10 @@ fn delete_on_env_coll(mut ev_colls: EventReader<CrateCollision>, mut commands: C
         if let CollisionType::Player(_) = with {
             continue;
         }
+        // let CollisionType::Scene(obj) = with else {
+        //     unreachable!()
+        // };
 
-        if let Some(mut e) = commands.get_entity(*coll_crate) {
-            e.despawn();
-        }
-    }
-}
-
-fn player_coll(
-    mut ev_colls: EventReader<CrateCollision>,
-    mut ev_lives: EventWriter<LifeChangeEvent>,
-    mut commands: Commands,
-) {
-    for CrateCollision { coll_crate, with } in ev_colls.read() {
-        if let CollisionType::Scene(_) = with {
-            continue;
-        }
-
-        ev_lives.send(LifeChangeEvent::Lost);
-
-        if let Some(mut e) = commands.get_entity(*coll_crate) {
-            e.despawn();
-        }
+        commands.entity(*coll_crate).despawn();
     }
 }

src/main.rs

@@ -4,7 +4,6 @@ use bevy::{
 };
 use bevy_rapier2d::prelude::*;
 use drops::spawner_plugin;
-use player::LifeChangeEvent;
 const METER: f32 = 48.;
 
 fn main() {
@@ -20,12 +19,12 @@ fn main() {
         .insert_resource(rapier_config)
         .add_plugins(RapierPhysicsPlugin::<NoUserData>::pixels_per_meter(METER))
         .add_plugins(RapierDebugRenderPlugin::default())
-        .add_plugins((
-            spawner_plugin,
-            game_state::state_and_ui_plugin,
-            player::player_plugin,
-        ))
-        .add_systems(Startup, (scene::setup_scene, setup_cam))
+        .add_plugins((spawner_plugin))
+        .add_systems(Startup, (scene::setup_scene, setup_cam, player::add_player))
+        .add_systems(
+            Update,
+            (player::move_player, player::player_ground_collision),
+        )
         .run()
 }
 
@@ -39,62 +38,3 @@ fn setup_cam(mut commands: Commands) {
 mod drops;
 mod player;
 mod scene;
-mod game_state {
-    use bevy::{prelude::*, time::Stopwatch};
-
-    #[derive(Component)]
-    pub struct GameState {
-        score: u32,
-        game_time: Stopwatch,
-    }
-
-    #[derive(Component)]
-    struct StateText;
-
-    pub fn state_and_ui_plugin(app: &mut App) {
-        app.add_systems(Startup, (setup_gamestate, setup_ui))
-            .add_systems(Update, (update_time));
-    }
-
-    fn setup_gamestate(mut commands: Commands) {
-        commands.spawn(GameState {
-            score: 0,
-            game_time: Stopwatch::new(),
-        });
-    }
-
-    fn setup_ui(mut commands: Commands) {
-        commands.spawn((
-            TextBundle::from_sections([
-                TextSection::new("Score: ", TextStyle::default()),
-                TextSection::new("0", TextStyle::default()),
-                TextSection::new("\n", TextStyle::default()),
-                TextSection::new("Time: ", TextStyle::default()),
-                TextSection::new("0", TextStyle::default()),
-                TextSection::new("s", TextStyle::default()),
-            ])
-            .with_style(Style {
-                position_type: PositionType::Absolute,
-                top: Val::Px(5.0),
-                right: Val::Px(5.0),
-                ..default()
-            }),
-            StateText,
-        ));
-    }
-
-    fn update_time(
-        mut state_txt: Query<&mut Text, With<StateText>>,
-        mut game_state: Query<&mut GameState>,
-        time: Res<Time>,
-    ) {
-        let mut txt = state_txt.single_mut();
-        let time = game_state
-            .single_mut()
-            .game_time
-            .tick(time.delta())
-            .elapsed_secs();
-
-        txt.sections[4].value = format!("{time:.2}");
-    }
-}

src/player.rs

@@ -1,7 +1,6 @@
 use bevy::{
     prelude::*,
     sprite::{MaterialMesh2dBundle, Mesh2dHandle},
-    utils::{HashMap, HashSet},
 };
 use bevy_rapier2d::prelude::*;
 
@@ -11,21 +10,6 @@ use crate::METER;
 pub struct Player {
     move_cooldown: Timer,
     grounded: bool,
-    lives: u8,
-}
-
-#[derive(Event)]
-pub enum LifeChangeEvent {
-    Gained,
-    Lost,
-}
-
-const DEFAULT_LIVES: u8 = 5;
-
-pub fn player_plugin(app: &mut App) {
-    app.add_event::<LifeChangeEvent>()
-        .add_systems(Startup, (add_player, add_lives_ui))
-        .add_systems(Update, (move_player, player_ground_collision, update_lives));
 }
 
 pub fn add_player(
@@ -39,7 +23,6 @@ pub fn add_player(
             move_cooldown: Timer::from_seconds(0.01, TimerMode::Repeating),
             // move_cooldown: Timer::from_seconds(0.01, TimerMode::Repeating),
             grounded: false,
-            lives: DEFAULT_LIVES,
         })
         .insert(MaterialMesh2dBundle {
             mesh: shape,
@@ -57,49 +40,25 @@ pub fn add_player(
         .insert(KinematicCharacterController { ..default() });
 }
 
-#[derive(Component)]
-struct LivesUi;
-fn add_lives_ui(mut commands: Commands) {
-    commands.spawn((
-        TextBundle::from("<3 ".repeat(DEFAULT_LIVES.into())),
-        LivesUi,
-    ));
-}
-
-fn update_lives(
-    mut ev_lifechange: EventReader<LifeChangeEvent>,
-    mut player: Query<&mut Player>,
-    mut ui: Query<&mut Text, With<LivesUi>>,
-) {
-    let mut txt = ui.single_mut();
-    let mut p = player.single_mut();
-
-    for ev in ev_lifechange.read() {
-        match ev {
-            LifeChangeEvent::Lost => p.lives -= 1,
-            LifeChangeEvent::Gained => p.lives += 1,
-        }
-        txt.sections[0].value = "<3 ".repeat(p.lives.into())
-    }
-}
-
 pub fn player_ground_collision(
     mut player: Query<(Entity, &mut Player)>,
     scene_objs: Query<Entity, With<super::scene::SceneObj>>,
     mut collision_events: EventReader<CollisionEvent>,
 ) {
     let (p, mut player) = player.single_mut();
-    let scene_objs = scene_objs.iter().collect::<HashSet<_>>();
-
     for collision_event in collision_events.read() {
         match collision_event {
             CollisionEvent::Started(e1, e2, _) => {
-                if (e1 == &p && scene_objs.contains(e2)) || (e2 == &p && scene_objs.contains(e1)) {
+                if (e1 == &p && scene_objs.iter().any(|obj| *e2 == obj))
+                    || (e2 == &p && scene_objs.iter().any(|obj| *e1 == obj))
+                {
                     player.grounded = true;
                 }
             }
             CollisionEvent::Stopped(e1, e2, _) => {
-                if (e1 == &p && scene_objs.contains(e2)) || (e2 == &p && scene_objs.contains(e1)) {
+                if (e1 == &p && scene_objs.iter().any(|obj| *e2 == obj))
+                    || (e2 == &p && scene_objs.iter().any(|obj| *e1 == obj))
+                {
                     player.grounded = false;
                 }
             }
@@ -132,7 +91,7 @@ pub fn move_player(
 
         if kb_input.pressed(KeyCode::KeyW) && player.grounded {
             moved = true;
-            *vel = Velocity::linear(Vec2::new(0., 9. * METER));
+            *vel = Velocity::linear(Vec2::new(0.,  9. * METER));
             // *vel = Velocity::linear(Vec2::new(0., 9.81 * METER));
         }