Проектная работа - MVP

Создание нового проекта
2026-06-17 16:28:16 +03:00
parent 801ca56d8b
commit e5d531bbde
28 changed files with 6505 additions and 3 deletions
@@ -0,0 +1,68 @@
+use crate::domain::*;
+
+use bevy::{color::palettes::tailwind::*, prelude::*};
+
+/// Запланировать установку скорости движения [Velocity] при следующем событии [GridBarier]
+pub fn schedule_set_velocity(tail: Entity) -> impl Fn(On<GridBarier>, Commands, Query<(&mut Velocity, &Transform)>) {
+    move |event: On<GridBarier>, mut commands: Commands, mut query: Query<(&mut Velocity, &Transform)>| {
+        if let Ok((mut velocity, transform)) = query.get_mut(tail) {
+            let position = Position::from(transform);
+            if event.position != position {
+                velocity.0 = SNAKE_VELOCITY as f32;
+                commands.entity(event.observer()).despawn();
+            }
+        }
+    }
+}
+
+/// Очистка [SnakePath] от старых значений
+pub fn clean_snake_path(event: On<GridBarier>, query: Query<&End>, mut snake_path: ResMut<SnakePath>) {
+    if query.contains(event.entity) {
+        let v = snake_path.remove(&event.position);
+        trace!("clean_snake_path: removed {v:?} for {}", &event.position);
+    }
+}
+
+/// Обработка события [GrowUp]
+#[allow(clippy::type_complexity)]
+pub fn grow_up_snake(_: On<GrowUp>, mut commands: Commands, query: Single<(Entity, &Direction, &Transform, &mut Sprite), (With<Tail>, With<End>)>) {
+    let (entity, direction, transform, mut sprite) = query.into_inner();
+    sprite.color = GRAY_300.into();
+    commands.entity(entity).remove::<End>();
+    let pos = Position::from(transform);
+    let new_end = commands
+        .spawn((
+            Tail(entity),
+            End,
+            *direction,
+            Velocity(0.0),
+            Sprite::from_color(YELLOW_500, vec2(HEAD_SIZE as f32 * 0.8, HEAD_SIZE as f32 * 0.8)),
+            Transform {
+                translation: pos.translation().extend(0.0),
+                ..Default::default()
+            },
+        ))
+        .id();
+    commands.entity(entity).observe(schedule_set_velocity(new_end));
+}
+
+/// Обработка столкновений
+#[allow(clippy::type_complexity)]
+pub fn handle_collisions(
+    event: On<Collision>, //
+    query: Query<(&mut Velocity, &mut Sprite), Or<(With<Head>, With<Tail>, With<End>)>>,
+    mut commands: Commands,
+) {
+    match event.event() {
+        Collision::Meal(entity) => {
+            commands.entity(*entity).despawn();
+            commands.trigger(GrowUp);
+        }
+        Collision::Bounds | Collision::Tail => {
+            for (mut velocity, mut sprite) in query.into_iter() {
+                velocity.0 = 0.0;
+                sprite.color = RED_300.into();
+            }
+        }
+    }
+}