bevy_parallax/
sprite.rs

1use std::time::Duration;
2
3use bevy::prelude::*;
4
5#[derive(Component)]
6pub struct SpriteFrameUpdate {
7    pub index: usize,
8    pub total: usize,
9    pub timer: Timer,
10}
11
12impl SpriteFrameUpdate {
13    pub fn next_index(&mut self, duration: Duration) -> usize {
14        self.timer.tick(duration);
15        if self.timer.just_finished() {
16            self.index += 1;
17        }
18        self.index % self.total
19    }
20}
21
22pub fn sprite_frame_update_system(
23    time: Res<Time>,
24    mut query: Query<(&mut TextureAtlas, &mut SpriteFrameUpdate)>,
25) {
26    for (mut atlas, mut frame) in query.iter_mut() {
27        atlas.index = frame.next_index(time.delta());
28    }
29}
bevy_parallax/sprite.rs

bevy_parallax/
sprite.rs
