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Проектная работа - WIP

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This commit is contained in:
Баранов Александр Сергеевич
2026-06-05 10:01:48 +03:00
parent d496eaf0cf
commit 1ad9af26c9
6 changed files with 87 additions and 87 deletions
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snake-game/src/gameplay.rs
+25 -19
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@@ -1,7 +1,7 @@
use bevy::prelude::*;
use crate::{
domain::{Direction, End, GRID_SIZE, Head, SnakePath, Tail, Velocity},
domain::{Direction, End, GRID_SIZE, GridBarier, Head, SnakePath, Tail, Velocity},
tools::{Position, split_by_grid},
};
@@ -11,32 +11,22 @@ pub fn head_rotation(
query: Single<(&mut Transform, &Direction), With<Head>>,
mut snake_path: ResMut<SnakePath>,
) {
use core::f32::consts::PI;
if input.just_pressed(KeyCode::ArrowLeft) {
let (mut transform, direction) = query.into_inner();
let next_pos = direction.next_pos(&*transform);
let mut direction = direction.clone();
direction.rotate_left();
if let Some(prev_direction) = snake_path.insert(next_pos, direction) {
if direction != prev_direction {
transform.rotate_z(PI);
}
} else {
transform.rotate_z(PI / 2.0);
}
snake_path.insert(next_pos, direction);
transform.rotation = direction.orientation();
trace!("go {direction} on {next_pos}");
} else if input.just_pressed(KeyCode::ArrowRight) {
let (mut transform, direction) = query.into_inner();
let next_pos = direction.next_pos(&*transform);
let mut direction = direction.clone();
direction.rotate_right();
if let Some(prev_direction) = snake_path.insert(next_pos, direction) {
if direction != prev_direction {
transform.rotate_z(-PI);
}
} else {
transform.rotate_z(-PI / 2.0);
}
snake_path.insert(next_pos, direction);
transform.rotation = direction.orientation();
trace!("go {direction} on {next_pos}");
}
}
@@ -44,9 +34,11 @@ pub fn head_rotation(
pub fn snake_moving(
time: Res<Time<Fixed>>,
snake_path: Res<SnakePath>,
query: Query<(&mut Transform, &mut Direction, &Velocity), Or<(With<Head>, With<Tail>, With<End>)>>,
query: Query<(&mut Transform, &mut Direction, &Velocity, Entity, Has<End>), Or<(With<Head>, With<Tail>, With<End>)>>,
mut commands: Commands,
) {
for (mut transform, mut direction, Velocity(velocity)) in query.into_iter() {
for (mut transform, mut direction, Velocity(velocity), entity, has_end) in query.into_iter() {
// первая часть движения - до границы сетки
let delta = velocity * time.delta_secs();
let src = direction.get_coord(&transform);
let sign = direction.get_change_sign();
@@ -54,6 +46,8 @@ pub fn snake_moving(
let mut splited = split_by_grid(src, dst, GRID_SIZE as f32).into_iter();
let first = splited.next().unwrap_or((0.0, 0.0));
direction.set_coord(&mut transform, first.0);
// вторая часть движения - после границы сетки
if let Some(second) = splited.next() {
let delta = second.1.abs();
let pos = Position::from(&*transform);
@@ -65,6 +59,18 @@ pub fn snake_moving(
let sign = direction.get_change_sign();
let dst = src + sign * delta;
direction.set_coord(&mut transform, dst);
// создать событие прохождения границы сетки
commands.entity(entity).trigger(|e| GridBarier::new(e, pos, (&*direction).clone()));
// если это кончик хвоста, то нужно очистить [SnakePath] за собой
if has_end {
commands.queue(move |world: &mut World| {
if let Some(mut snake_path) = world.get_resource_mut::<SnakePath>() {
snake_path.remove(&pos);
}
});
}
}
}
}