//! Simple example demonstrating overflow behavior. use bevy::{color::palettes::css::*, prelude::*, winit::WinitSettings}; fn main() { App::new() .add_plugins(DefaultPlugins) // Only run the app when there is user input. This will significantly reduce CPU/GPU use. .insert_resource(WinitSettings::desktop_app()) .add_systems(Startup, setup) .add_systems(Update, update_outlines) .run(); } fn setup(mut commands: Commands, asset_server: Res<AssetServer>) { commands.spawn(Camera2d); let text_style = TextFont::default(); let image = asset_server.load("branding/icon.png"); commands .spawn(( Node { width: Val::Percent(100.), height: Val::Percent(100.), align_items: AlignItems::Center, justify_content: JustifyContent::Center, ..Default::default() }, BackgroundColor(ANTIQUE_WHITE.into()), )) .with_children(|parent| { for overflow in [ Overflow::visible(), Overflow::clip_x(), Overflow::clip_y(), Overflow::clip(), ] { parent .spawn(Node { flex_direction: FlexDirection::Column, align_items: AlignItems::Center, margin: UiRect::horizontal(Val::Px(25.)), ..Default::default() }) .with_children(|parent| { let label = format!("{overflow:#?}"); parent .spawn(( Node { padding: UiRect::all(Val::Px(10.)), margin: UiRect::bottom(Val::Px(25.)), ..Default::default() }, BackgroundColor(Color::srgb(0.25, 0.25, 0.25)), )) .with_children(|parent| { parent.spawn((Text::new(label), text_style.clone())); }); parent .spawn(( Node { width: Val::Px(100.), height: Val::Px(100.), padding: UiRect { left: Val::Px(25.), top: Val::Px(25.), ..Default::default() }, border: UiRect::all(Val::Px(5.)), overflow, ..default() }, BorderColor(Color::BLACK), BackgroundColor(GRAY.into()), )) .with_children(|parent| { parent.spawn(( ImageNode::new(image.clone()), Node { min_width: Val::Px(100.), min_height: Val::Px(100.), ..default() }, Interaction::default(), Outline { width: Val::Px(2.), offset: Val::Px(2.), color: Color::NONE, }, )); }); }); } }); } fn update_outlines(mut outlines_query: Query<(&mut Outline, Ref<Interaction>)>) { for (mut outline, interaction) in outlines_query.iter_mut() { if interaction.is_changed() { outline.color = match *interaction { Interaction::Pressed => RED.into(), Interaction::Hovered => WHITE.into(), Interaction::None => Color::NONE, }; } } }