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Проектная работа - WIP

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Баранов Александр Сергеевич
2026-06-01 14:55:06 +03:00
parent 850c45801f
commit 51548352ad
3 changed files with 61 additions and 27 deletions
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snake-game/src/gameplay.rs
+17 -20
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@@ -23,26 +23,19 @@ pub fn head_rotation(
pub fn moving(time: Res<Time>, query: Query<(&mut Transform, &mut Inert, &Direction, &Velocity)>) {
for (mut transform, mut inert, direction, Velocity(velocity)) in query.into_iter() {
let delta = velocity * time.delta_secs();
if inert.0 == *direction {
let inert_vec = inert.0.vector();
let delta_vec = inert_vec * delta;
transform.translation += delta_vec.extend(0.0);
} else {
let inert_vec = inert.0.vector();
let delta_vec = inert_vec * delta;
let ovf_vec = vec2(
get_overflow(GRID_SIZE as f32, transform.translation.x, delta_vec.x),
get_overflow(GRID_SIZE as f32, transform.translation.y, delta_vec.y),
);
transform.translation += delta_vec.extend(0.0);
if ovf_vec.x != 0. && ovf_vec.y != 0. {
transform.translation -= ovf_vec.extend(0.0);
let delta = ovf_vec.x + ovf_vec.y;
let inert_vec = direction.vector();
let delta_vec = inert_vec * delta;
transform.translation += delta_vec.extend(0.0);
}
let src = inert.0.get_coord(&transform);
let sign = inert.0.get_change_sign();
let dst = src + sign * delta;
let mut splited = split_by_grid(src, dst, GRID_SIZE as f32).into_iter();
let first = splited.next().unwrap_or((0.0, 0.0));
inert.0.set_coord(&mut transform, first.0);
if let Some(second) = splited.next() {
let delta = second.1.abs();
inert.0 = *direction;
let src = inert.0.get_coord(&transform);
let sign = inert.0.get_change_sign();
let dst = src + sign * delta;
inert.0.set_coord(&mut transform, dst);
}
}
}
@@ -86,7 +79,7 @@ fn find_grid_bound(old: f32, new: f32, grid: f32) -> f32 {
/// Разбиение изменения координаты по границам сетки
fn split_by_grid(src: f32, dst: f32, grid: f32) -> Vec<(f32, f32)> {
if grid <= 0.0 {
return Vec::default();
return vec![(dst, dst - src)];
};
let old_grid = src / grid;
@@ -206,5 +199,9 @@ mod test {
split_by_grid(-2.0, -6.0, 5.0),
vec![(-5.0, -3.0), (-6.0, -1.0)]
);
// сценарии с нулевой сеткой
assert_eq!(split_by_grid(1.0, 4.0, 0.0), vec![(4.0, 3.0)]);
assert_eq!(split_by_grid(4.0, 1.0, 0.0), vec![(1.0, -3.0)]);
}
}