rename

src/main.rs

@@ -13,7 +13,7 @@ mod ui;
 use crate::states::game::state::MainGameState;
 use crate::states::main_menu::state::MainMenuState;
 use crate::states::settings_menu::state::SettingsMenuState;
-use crate::states::linear::plugin::LinearPlugin;
+use crate::states::linear::plugin::LinearPlayPlugin;
 
 const FACTOR: u32 = 80;
 const WIDTH: u32 = 16;
@@ -25,7 +25,7 @@ fn main() {
         .add_message::<ExitRequestMessage>()
         .add_plugins(DefaultPlugins.set(WindowPlugin {
             primary_window: Some(Window {
-                title: "alpha".into(),
+                title: "alpha v0.2".into(),
                 resolution: (WIDTH * FACTOR, HEIGHT * FACTOR).into(),
                 resizable: true,
                 ..default()
@@ -37,7 +37,7 @@ fn main() {
             MainMenuState,
             SettingsMenuState,
             MainGameState,
-            LinearPlugin,
+            LinearPlayPlugin,
         ))
         .add_systems(Startup, setup)
         .add_systems(Update, exit_system)

src/states/app_states.rs

@@ -7,6 +7,6 @@ pub enum AppState {
     SettingsMenu,
     GameState,
     GameRestart,
-    LevelState,
+    LinearPlayState,
-    LinearState,
+    LinearGameRestart,
 }

src/states/linear/components.rs

@@ -2,3 +2,6 @@ use bevy::prelude::*;
 
 #[derive(Component)]
 pub struct LinearStateMarker;
+
+#[derive(Component, Copy, Clone)]
+pub struct LinearRestartMarker;

src/states/linear/components_ball.rs

@@ -0,0 +1,35 @@
+use bevy::prelude::Component;
+use rand::prelude::IndexedRandom;
+
+#[derive(Component, Debug, Clone, Copy)]
+pub struct RoundBall {
+    pub ball_type: RoundBallType,
+    pub track_progress: f32,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
+pub enum RoundBallType {
+    #[default]
+    Red,
+    Green,
+    Blue,
+    Purple,
+}
+
+impl RoundBallType {
+    pub const fn asset_path(&self) -> &'static str {
+        match self {
+            RoundBallType::Red => "sprites/round/red.png",
+            RoundBallType::Green => "sprites/round/green.png",
+            RoundBallType::Blue => "sprites/round/blue.png",
+            RoundBallType::Purple => "sprites/round/purple.png",
+        }
+    }
+
+    pub fn random_from_4() -> Self {
+        [Self::Red, Self::Green, Self::Blue, Self::Purple]
+            .choose(&mut rand::rng())
+            .copied()
+            .unwrap_or_default()
+    }
+}

src/states/linear/components_track.rs

@@ -27,7 +27,10 @@ pub enum PathSegment {
 
 #[derive(Resource)]
 pub struct PrecalculatedTrack{
-    pub segments: Vec<PTSegment>
+    pub segments: Vec<PTSegment>,
+    pub min_spawn_gap: f32, //нормализован
+    pub total_length: f32,
+    pub speed_norm: f32,
 }
 
 #[derive(Debug)]
@@ -41,6 +44,7 @@ pub struct PTSegment {
     pub radius: f32,
     pub start_angle: f32,
     pub sweep_sign: f32,
+    pub length: f32,
 }
 
 #[derive(Debug, Clone, Copy)]

src/states/linear/constants.rs

@@ -0,0 +1,18 @@
+use crate::FACTOR;
+use bevy::color::Color;
+
+pub const CENTER_X: f32 = 0.0;
+pub const CENTER_Y: f32 = 0.0;
+
+// pub const FACTOR_RADIUS: f32 = FACTOR as f32 / 2.0;
+
+pub const STEP: f32 = FACTOR as f32 / SCALE;
+pub const SCALE: f32 = 2.0;
+
+// Z-INDEXES
+pub const ROUND_BALL_Z: f32 = 10.0;
+
+// COLORS
+pub const PINK: Color = Color::srgb_u8(250, 0, 155);
+pub const BLUE: Color = Color::srgb_u8(0, 0, 255);
+pub const GREEN: Color = Color::srgb_u8(0, 255, 0);

src/states/linear/mod.rs

@@ -11,3 +11,15 @@ pub use components_track::*;
 
 mod systems_track;
 pub use systems_track::*;
+mod components_ball;
+pub use components_ball::*;
+
+mod system_ball;
+pub use system_ball::*;
+mod constants;
+pub use constants::*;
+
+mod ui;
+pub use ui::*;
+
+

src/states/linear/plugin.rs

@@ -1,16 +1,36 @@
-use bevy::prelude::*;
+use crate::states::AppState;
-use crate::states::AppState::LinearState;
+use crate::states::AppState::{LinearGameRestart, LinearPlayState};
-use crate::states::level::GameOver;
 use crate::states::linear::*;
+use bevy::prelude::*;
 
-pub struct LinearPlugin;
+pub struct LinearPlayPlugin;
 
-impl Plugin for LinearPlugin {
+// создаем енум, чтоб не указывать run_if(in_state) для каждой системы
+#[derive(SystemSet, Debug, Hash, PartialEq, Eq, Clone)]
+pub enum LinearUpdateSet {
+    Track,
+}
+
+impl Plugin for LinearPlayPlugin {
     fn build(&self, app: &mut App) {
         app
-            .add_systems(OnEnter (LinearState), setup)
+            .add_systems(OnEnter(LinearPlayState), setup)
-            .add_systems(Update, (draw_track_gizmos).run_if(in_state(LinearState)))
+            .add_systems(OnEnter(LinearGameRestart), linear_restart)
-            .add_systems(OnExit (LinearState), cleanup);
+            .add_plugins(LinearUIPlugin)
+            .configure_sets(
+                Update,
+                LinearUpdateSet::Track.run_if(in_state(LinearPlayState)),
+            )
+            .add_systems(
+                Update,
+                (
+                    draw_track_gizmos,
+                    spawn_round_ball,
+                    move_round_balls,
+                )
+                    .in_set(LinearUpdateSet::Track),
+            )
+            .add_systems(OnExit(LinearPlayState), cleanup);
     }
 }
 
@@ -30,4 +50,9 @@ fn cleanup(mut commands: Commands, query: Query<Entity, With<LinearStateMarker>>
 
     // зачищаем ресурсы по типу
     commands.remove_resource::<Track>();
+    commands.remove_resource::<PrecalculatedTrack>();
+}
+
+fn linear_restart(mut next_state: ResMut<NextState<AppState>>) {
+    next_state.set(LinearPlayState);
 }

src/states/linear/system_ball.rs

@@ -0,0 +1,74 @@
+use std::f32::consts::FRAC_PI_2;
+use crate::states::linear::*;
+use bevy::prelude::*;
+
+pub fn spawn_round_ball(
+    track: Res<PrecalculatedTrack>,
+    mut commands: Commands,
+    asset_server: Res<AssetServer>,
+    balls: Query<&RoundBall>,
+) {
+    // метод all выдаст истину, если все элементы выполняют условие
+    let spawn_allowed = balls
+        .iter()
+        .all(|b| b.track_progress >= track.min_spawn_gap);
+
+    let min_progress = balls
+        .iter()
+        .map(|b| b.track_progress)
+        .reduce(f32::min)
+        .unwrap_or(1.0);
+
+    if min_progress >= track.min_spawn_gap {
+        let ball_type = RoundBallType::random_from_4();
+        let image: Handle<Image> = asset_server.load(ball_type.asset_path());
+
+        commands.spawn((
+            Sprite {
+                image,
+                custom_size: Some(Vec2::splat(STEP)),
+                ..default()
+            },
+            Transform::from_translation((track.segments[0].start_pos).extend(ROUND_BALL_Z)),
+            RoundBall {
+                ball_type,
+                track_progress: 0.0,
+            },
+            LinearStateMarker,
+        ));
+    }
+}
+
+pub fn move_round_balls(
+    track: Res<PrecalculatedTrack>,
+    mut balls: Query<(&mut Transform, &mut RoundBall)>,
+    time: Res<Time>,
+){
+    // собираем все существующие шарики на треке и их трансформы
+    for (mut transform, mut ball) in &mut balls {
+        // сразу обновляем прогресс
+        ball.track_progress += track.speed_norm * time.delta_secs();
+        
+        // потом позиционируем визуал
+        for seg in &track.segments {
+            if ball.track_progress >= seg.t_start && ball.track_progress < seg.t_end {
+                // вычисляем локальное нормализованое положение на треке
+                let t_local = (ball.track_progress - seg.t_start) / (seg.t_end - seg.t_start);
+                
+                let mut pos = Vec2::ZERO;
+                match seg.segment_type{
+                    SegementType::Line {} => {
+                        pos = seg.start_pos + seg.direction * seg.length * t_local;
+                        // transform.translation = pos.extend(ROUND_BALL_Z);
+                    }
+                    
+                    SegementType::Turn {} => {
+                        let angle = seg.start_angle + FRAC_PI_2 * seg.sweep_sign * t_local;
+                        pos = seg.center + Vec2::from_angle(angle) * seg.radius;
+                    }
+                }
+                transform.translation = pos.extend(ROUND_BALL_Z);
+            }
+        }
+    }
+}

src/states/linear/systems.rs

@@ -3,10 +3,6 @@ use bevy::prelude::*;
 use states::linear::*;
 use std::f32::consts::FRAC_PI_2;
 
-const PINK: Color = Color::srgb_u8(250, 0, 155);
-const BLUE: Color = Color::srgb_u8(0, 0, 255);
-const GREEN: Color = Color::srgb_u8(0, 255, 0);
-
 pub fn draw_track_gizmos(track: Res<Track>, mut gizmos: Gizmos) {
     let mut current_pos = track.start_point;
     let mut current_dir = track.start_direction.normalize();
@@ -27,12 +23,27 @@ pub fn draw_track_gizmos(track: Res<Track>, mut gizmos: Gizmos) {
                 // вычисляем нормаль, центр, угол поворота арки и знак
                 let arc = helper_arc_calculator(current_pos, current_dir, *left, *radius);
                 
-                gizmos.arc_2d(
+                // арки никак не хотели вставать на свои места
-                    Isometry2d::new(arc.center, Rot2::radians(arc.start_angle)),
+                // gizmos.arc_2d(
-                    FRAC_PI_2,
+                //     Isometry2d::new(arc.center, Rot2::degrees(current_angle)),
-                    *radius,
+                //     FRAC_PI_2 * arc.sweep_sign,
-                    GREEN,
+                //     *radius,
-                );
+                //     GREEN,
+                // );
+                
+                // поэтому отрисовка поворота через линии
+                let steps = 16;
+                let mut prev_point = current_pos;
+
+                for i in 1..=steps {
+                    let t = i as f32 / steps as f32;
+                    let angle = arc.start_angle + arc.sweep_sign * FRAC_PI_2 * t;
+                    let point = arc.center + Vec2::from_angle(angle) * *radius;
+
+                    gizmos.line_2d(prev_point, point, GREEN);
+                    prev_point = point;
+                }
+                
                 current_pos = arc.end_pos;
                 current_dir = arc.normal;
             }

src/states/linear/systems_track.rs

@@ -1,17 +1,7 @@
-use std::f32::consts::FRAC_PI_2;
+use crate::FACTOR;
 use crate::states::linear::*;
-use crate::{FACTOR};
 use bevy::prelude::*;
-use bevy::reflect::List;
+use std::f32::consts::FRAC_PI_2;
-
-pub const CENTER_X: f32 = 0.0;
-pub const CENTER_Y: f32 = 0.0;
-
-// pub const FACTOR_RADIUS: f32 = FACTOR as f32 / 2.0;
-
-pub const STEP: f32 = FACTOR as f32 / SCALE;
-pub const SCALE: f32 = 2.0;
-
 
 pub fn setup_linear_track() -> Track {
     println!("Построение трека начато");
@@ -23,29 +13,67 @@ pub fn setup_linear_track() -> Track {
         start_direction: Vec2::X,
         segments: vec![
             PathSegment::Line { length: STEP * 6.0 },
-                PathSegment::Turn { radius: STEP, left: true },
+            PathSegment::Turn {
+                radius: STEP,
+                left: true,
+            },
             PathSegment::Line { length: STEP },
-                PathSegment::Turn { radius: STEP, left: false },
+            PathSegment::Turn {
-                PathSegment::Line { length: STEP * 18.0 },
+                radius: STEP,
-                PathSegment::Turn { radius: STEP, left: true },
+                left: false,
+            },
+            PathSegment::Line {
+                length: STEP * 18.0,
+            },
+            PathSegment::Turn {
+                radius: STEP,
+                left: true,
+            },
             PathSegment::Line { length: STEP * 4.0 },
-                PathSegment::Turn { radius: STEP, left: true },
+            PathSegment::Turn {
-                PathSegment::Turn { radius: STEP, left: false },
+                radius: STEP,
+                left: true,
+            },
+            PathSegment::Turn {
+                radius: STEP,
+                left: false,
+            },
             PathSegment::Line { length: STEP * 4.0 },
-                PathSegment::Turn { radius: STEP, left: true },
+            PathSegment::Turn {
-                PathSegment::Line { length: STEP * 20.0 },
+                radius: STEP,
-                PathSegment::Turn { radius: STEP, left: true },
+                left: true,
+            },
+            PathSegment::Line {
+                length: STEP * 20.0,
+            },
+            PathSegment::Turn {
+                radius: STEP,
+                left: true,
+            },
             PathSegment::Line { length: STEP * 5.0 },
-                PathSegment::Turn { radius: STEP, left: true },
+            PathSegment::Turn {
-                PathSegment::Line { length: STEP * 10.0 },
+                radius: STEP,
-                PathSegment::Turn { radius: STEP, left: false },
+                left: true,
+            },
+            PathSegment::Line {
+                length: STEP * 10.0,
+            },
+            PathSegment::Turn {
+                radius: STEP,
+                left: false,
+            },
             PathSegment::Line { length: STEP * 2.0 },
         ],
     }
 }
 
 pub fn precalculate_track(track: &Track) -> PrecalculatedTrack {
-    let mut pt = PrecalculatedTrack { segments: vec![] };
+    let mut pt = PrecalculatedTrack {
+        segments: vec![],
+        min_spawn_gap: 0.0,
+        total_length: 0.0,
+        speed_norm: 0.0,
+    };
     let mut cumulative_length: Vec<f32> = vec![0.0];
 
     let mut current_pos = track.start_point;
@@ -53,7 +81,7 @@ pub fn precalculate_track(track: &Track) -> PrecalculatedTrack {
 
     // на первом проходе заполняем все, кроме t_start и t_end,
     // потому что мы не можем посчитать их без общей длины
-    for seg in track.segments.iter(){
+    for seg in track.segments.iter() {
         match seg {
             PathSegment::Line { length } => {
                 let calc_seg = PTSegment {
@@ -66,6 +94,7 @@ pub fn precalculate_track(track: &Track) -> PrecalculatedTrack {
                     radius: 0.0,
                     start_angle: 0.0,
                     sweep_sign: 0.0,
+                    length: *length,
                 };
 
                 pt.segments.push(calc_seg);
@@ -73,11 +102,12 @@ pub fn precalculate_track(track: &Track) -> PrecalculatedTrack {
                 current_pos = current_pos + length * current_dir;
                 // направление не меняем, пропуск
                 // накапливаем длину
-                cumulative_length.push(cumulative_length[cumulative_length.len() -1] + *length);
+                cumulative_length.push(cumulative_length[cumulative_length.len() - 1] + *length);
             }
 
-            PathSegment::Turn {radius, left } => {
+            PathSegment::Turn { radius, left } => {
                 let arc = helper_arc_calculator(current_pos, current_dir, *left, *radius);
+                let arc_len = FRAC_PI_2 * radius;
 
                 let calc_seg = PTSegment {
                     t_start: 0.0,
@@ -89,13 +119,14 @@ pub fn precalculate_track(track: &Track) -> PrecalculatedTrack {
                     radius: *radius,
                     start_angle: arc.start_angle,
                     sweep_sign: arc.sweep_sign,
+                    length: arc_len,
                 };
                 pt.segments.push(calc_seg);
                 // сдвигаем позицию для следующего сегмента
                 current_pos = arc.end_pos;
                 current_dir = arc.normal;
                 // накапливаем длину
-                cumulative_length.push(cumulative_length[cumulative_length.len() -1] + (FRAC_PI_2 * radius));
+                cumulative_length.push(cumulative_length[cumulative_length.len() - 1] + arc_len);
             }
         }
     }
@@ -109,33 +140,42 @@ pub fn precalculate_track(track: &Track) -> PrecalculatedTrack {
     for (i, seg) in pt.segments.iter_mut().enumerate() {
         seg.t_start = cumulative_length[i] / total_length;
         if i < last_index {
-            seg.t_end = cumulative_length[i+1] / total_length;
+            seg.t_end = cumulative_length[i + 1] / total_length;
         } else {
             seg.t_end = 1.0;
         }
         println!("{:?}", seg);
     }
 
+    // считаем нормализованный зазор на треке, когда будет доступен спавн шарика
+    // pt.min_spawn_gap = STEP / total_length;
+    pt.min_spawn_gap = STEP / total_length;
+    pt.total_length = total_length;
+    pt.speed_norm = STEP / total_length; // нормализованное смещение для скорости в пикселях
+    
+    println!(
+        "Нормализованное значение размера шарика: {}, уе: {}, общая длина: {}",
+        pt.min_spawn_gap, STEP, total_length
+    );
     pt
 }
 
-pub fn helper_arc_calculator(pos: Vec2, dir: Vec2, turn_to: bool, radius: f32) -> ArcCalculation{
+pub fn helper_arc_calculator(pos: Vec2, dir: Vec2, turn_to: bool, radius: f32) -> ArcCalculation {
     let (normal, sign): (Vec2, f32) = if turn_to {
-        (Vec2::new(-dir.y, dir.x), -1.0)
+        (Vec2::new(-dir.y, dir.x), 1.0)
     } else {
-        (Vec2::new(dir.y, -dir.x), 1.0)
+        (Vec2::new(dir.y, -dir.x), -1.0)
     };
 
     let center = pos + normal * radius;
     let start_vec = pos - center;
-    let initial_vec = if turn_to { -start_vec.perp() } else { -start_vec };
+    let angle = start_vec.to_angle();
-    let angle = initial_vec.to_angle();
 
-    ArcCalculation{
+    ArcCalculation {
         normal,
         center,
         start_angle: angle,
         sweep_sign: sign,
-        end_pos: center + normal.perp() * radius * sign,
+        end_pos: center - normal.perp() * radius * sign,
     }
 }

src/states/linear/ui.rs

@@ -0,0 +1,77 @@
+use crate::states::AppState;
+use crate::states::AppState::LinearPlayState;
+use crate::states::linear::plugin::LinearUpdateSet;
+use crate::states::linear::{LinearRestartMarker, LinearStateMarker};
+use crate::ui::button_click::ButtonClickMessage;
+use crate::ui::click::handle_click_system;
+use crate::ui::{ButtonStyle, spawn_button};
+use bevy::prelude::*;
+
+pub struct LinearUIPlugin;
+
+impl Plugin for LinearUIPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_message::<ButtonClickMessage<LinearRestartMarker>>()
+            .add_systems(OnEnter(LinearPlayState), setup_ui)
+            .configure_sets(
+                Update,
+                LinearUpdateSet::Track.run_if(in_state(LinearPlayState)),
+            )
+            .add_systems(
+                Update,
+                (
+                    restart_game_button_system,
+                    handle_click_system::<LinearRestartMarker>,
+                )
+                    .in_set(LinearUpdateSet::Track),
+            );
+    }
+}
+
+// хоть ui отделен, но по глобальному маркеру стейта, все сущности будут очищены в основном плагине
+fn setup_ui(mut commands: Commands, asset_server: Res<AssetServer>) {
+    let root = commands
+        .spawn((
+            Node {
+                display: Display::Flex,
+                width: Val::Percent(100.0),
+                height: Val::Percent(100.0),
+                ..default()
+            },
+            BackgroundColor(Color::NONE),
+            Name::new("Game state background node"),
+            LinearStateMarker,
+        ))
+        .id();
+
+    let restart_button_style = ButtonStyle {
+        font: asset_server.load("fonts/QR Ames Beta.otf"),
+        font_size: 24.0,
+        text_color: Color::WHITE,
+        normal_bg: Color::linear_rgba(0.15, 0.15, 0.15, 1.0),
+        hovered_bg: Color::linear_rgb(0.25, 0.25, 0.25),
+        pressed_bg: Color::linear_rgb(0.3, 0.3, 0.3),
+        width: Val::Px(200.0),
+        height: Val::Px(50.0),
+        margin: UiRect::all(Val::Px(10.0)),
+    };
+
+    spawn_button(
+        &mut commands,
+        root,
+        "Restart",
+        &restart_button_style,
+        LinearRestartMarker,
+    );
+}
+
+pub fn restart_game_button_system(
+    interaction_query: Query<&Interaction, (Changed<Interaction>, With<LinearRestartMarker>)>,
+    mut next_state: ResMut<NextState<AppState>>,
+) {
+    for interaction in &interaction_query {
+        if matches!(interaction, Interaction::Pressed) {
+            next_state.set(AppState::LinearGameRestart);
+        }
+    }
+}

src/states/main_menu/systems.rs

@@ -31,7 +31,7 @@ pub fn linear_button_system(
     for interaction in &interaction_query {
         if matches!(interaction, Interaction::Pressed) {
             println!("Линейное нажата");
-            next_state.set(AppState::LinearState);
+            next_state.set(AppState::LinearPlayState);
         }
     }
 }