Support Warning
WebGPU is currently only supported on Chrome starting with version 113, and only on desktop. If they don't work on your configuration, you can check the WebGL2 examples
here.
use bevy::prelude::*;
fn main() {
App::new()
.add_plugins(DefaultPlugins.set(ImagePlugin::default_nearest())) .add_systems(Startup, setup)
.add_systems(Update, animate_sprite)
.run();
}
#[derive(Component)]
struct AnimationIndices {
first: usize,
last: usize,
}
#[derive(Component, Deref, DerefMut)]
struct AnimationTimer(Timer);
fn animate_sprite(
time: Res<Time>,
mut query: Query<(
&AnimationIndices,
&mut AnimationTimer,
&mut TextureAtlasSprite,
)>,
) {
for (indices, mut timer, mut sprite) in &mut query {
timer.tick(time.delta());
if timer.just_finished() {
sprite.index = if sprite.index == indices.last {
indices.first
} else {
sprite.index + 1
};
}
}
}
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut texture_atlases: ResMut<Assets<TextureAtlas>>,
) {
let texture_handle = asset_server.load("textures/rpg/chars/gabe/gabe-idle-run.png");
let texture_atlas =
TextureAtlas::from_grid(texture_handle, Vec2::new(24.0, 24.0), 7, 1, None, None);
let texture_atlas_handle = texture_atlases.add(texture_atlas);
let animation_indices = AnimationIndices { first: 1, last: 6 };
commands.spawn(Camera2dBundle::default());
commands.spawn((
SpriteSheetBundle {
texture_atlas: texture_atlas_handle,
sprite: TextureAtlasSprite::new(animation_indices.first),
transform: Transform::from_scale(Vec3::splat(6.0)),
..default()
},
animation_indices,
AnimationTimer(Timer::from_seconds(0.1, TimerMode::Repeating)),
));
}