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Minor tidying in font_atlas_debug (#17825)

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# Objective

Tidy up a few little things I noticed while working with this example

## Solution

- Fix manual resetting of a repeating timer
- Use atlas image size instead of hardcoded value. Atlases are always
512x512 right now, but hopefully not in the future.
- Pluralize a variable name for a variable holding a `Vec`
This commit is contained in:
Rob Parrett 2025-02-12 11:14:34 -07:00 committed by GitHub
parent c34eaf13be
commit 2f9613f22c
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GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 13 deletions
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28
examples/ui/font_atlas_debug.rs
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@ -39,21 +39,23 @@ fn atlas_render_system(
mut commands: Commands,
mut state: ResMut<State>,
font_atlas_sets: Res<FontAtlasSets>,
images: Res<Assets<Image>>,
) {
if let Some(set) = font_atlas_sets.get(&state.handle) {
if let Some((_size, font_atlas)) = set.iter().next() {
if let Some((_size, font_atlases)) = set.iter().next() {
let x_offset = state.atlas_count as f32;
if state.atlas_count == font_atlas.len() as u32 {
if state.atlas_count == font_atlases.len() as u32 {
return;
}
let font_atlas = &font_atlas[state.atlas_count as usize];
let font_atlas = &font_atlases[state.atlas_count as usize];
let image = images.get(&font_atlas.texture).unwrap();
state.atlas_count += 1;
commands.spawn((
ImageNode::new(font_atlas.texture.clone()),
Node {
position_type: PositionType::Absolute,
top: Val::ZERO,
left: Val::Px(512.0 * x_offset),
left: Val::Px(image.width() as f32 * x_offset),
..default()
},
));
@ -67,16 +69,16 @@ fn text_update_system(
mut query: Query<&mut Text>,
mut seeded_rng: ResMut<SeededRng>,
) {
if state.timer.tick(time.delta()).finished() {
for mut text in &mut query {
let c = seeded_rng.gen::<u8>() as char;
let string = &mut **text;
if !string.contains(c) {
string.push(c);
}
}
if !state.timer.tick(time.delta()).just_finished() {
return;
}
state.timer.reset();
for mut text in &mut query {
let c = seeded_rng.gen::<u8>() as char;
let string = &mut **text;
if !string.contains(c) {
string.push(c);
}
}
}