3d72f494a2
# Objective Simple example for debugging layout rounding errors. <img width="1039" height="752" alt="layout_rounding_debug" src="https://github.com/user-attachments/assets/12673000-e267-467e-b25b-3f8001c1347c"> Any white lines are gaps in the layout caused by coordinate rounding errors.
57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
//! Spawns a simple grid layout with nodes laid out covering a white background useful for catching layout rounding errors.
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//! Any white lines seen are gaps in the layout are caused by coordinate rounding bugs.
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use bevy::{
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color::palettes::css::{DARK_BLUE, MAROON},
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prelude::*,
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ui::UiScale,
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winit::WinitSettings,
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};
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins)
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.insert_resource(WinitSettings::desktop_app())
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.insert_resource(UiScale(1.5))
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.add_systems(Startup, setup)
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.run();
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}
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fn setup(mut commands: Commands) {
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commands.spawn((Camera2d, UiAntiAlias::Off));
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commands
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.spawn((
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Node {
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display: Display::Grid,
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width: Val::Percent(100.),
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height: Val::Percent(100.),
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grid_template_rows: vec![RepeatedGridTrack::fr(10, 1.)],
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..Default::default()
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},
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BackgroundColor(Color::WHITE),
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))
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.with_children(|commands| {
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for i in 2..12 {
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commands
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.spawn(Node {
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display: Display::Grid,
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grid_template_columns: vec![RepeatedGridTrack::fr(i, 1.)],
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..Default::default()
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})
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.with_children(|commands| {
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for _ in 0..i {
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commands.spawn((
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Node {
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border: UiRect::all(Val::Px(5.)),
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..Default::default()
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},
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BackgroundColor(MAROON.into()),
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BorderColor(DARK_BLUE.into()),
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));
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}
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});
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}
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});
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}
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