mirror of
https://github.com/bevyengine/bevy
synced 2024-11-22 20:53:53 +00:00
585dac0582
# Objective Fixes #6498. ## Solution Adding a parent node with properties AlignItems::Center and JustifyContent::Center to centered child nodes and removing their auto-margin properties.
90 lines
3.2 KiB
Rust
90 lines
3.2 KiB
Rust
//! Demonstrates how to use transparency with UI.
|
|
//! Shows two colored buttons with transparent text.
|
|
|
|
use bevy::prelude::*;
|
|
|
|
fn main() {
|
|
App::new()
|
|
.insert_resource(ClearColor(Color::BLACK))
|
|
.add_plugins(DefaultPlugins)
|
|
.add_startup_system(setup)
|
|
.run();
|
|
}
|
|
|
|
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
|
|
commands.spawn(Camera2dBundle::default());
|
|
|
|
let font_handle = asset_server.load("fonts/FiraSans-Bold.ttf");
|
|
|
|
commands
|
|
.spawn(NodeBundle {
|
|
style: Style {
|
|
size: Size::new(Val::Percent(50.0), Val::Percent(100.0)),
|
|
align_items: AlignItems::Center,
|
|
justify_content: JustifyContent::Center,
|
|
..default()
|
|
},
|
|
..default()
|
|
})
|
|
.with_children(|parent| {
|
|
parent
|
|
.spawn(ButtonBundle {
|
|
style: Style {
|
|
size: Size::new(Val::Px(150.0), Val::Px(65.0)),
|
|
justify_content: JustifyContent::Center,
|
|
align_items: AlignItems::Center,
|
|
..default()
|
|
},
|
|
background_color: Color::rgb(0.1, 0.5, 0.1).into(),
|
|
..default()
|
|
})
|
|
.with_children(|parent| {
|
|
parent.spawn(TextBundle::from_section(
|
|
"Button 1",
|
|
TextStyle {
|
|
font: font_handle.clone(),
|
|
font_size: 40.0,
|
|
// Alpha channel of the color controls transparency.
|
|
color: Color::rgba(1.0, 1.0, 1.0, 0.2),
|
|
},
|
|
));
|
|
});
|
|
});
|
|
|
|
commands
|
|
.spawn(NodeBundle {
|
|
style: Style {
|
|
size: Size::new(Val::Percent(50.0), Val::Percent(100.0)),
|
|
align_items: AlignItems::Center,
|
|
justify_content: JustifyContent::Center,
|
|
..default()
|
|
},
|
|
..default()
|
|
})
|
|
.with_children(|parent| {
|
|
// Button with a different color,
|
|
// to demonstrate the text looks different due to its transparency.
|
|
parent
|
|
.spawn(ButtonBundle {
|
|
style: Style {
|
|
size: Size::new(Val::Px(150.0), Val::Px(65.0)),
|
|
justify_content: JustifyContent::Center,
|
|
align_items: AlignItems::Center,
|
|
..default()
|
|
},
|
|
background_color: Color::rgb(0.5, 0.1, 0.5).into(),
|
|
..default()
|
|
})
|
|
.with_children(|parent| {
|
|
parent.spawn(TextBundle::from_section(
|
|
"Button 2",
|
|
TextStyle {
|
|
font: font_handle.clone(),
|
|
font_size: 40.0,
|
|
// Alpha channel of the color controls transparency.
|
|
color: Color::rgba(1.0, 1.0, 1.0, 0.2),
|
|
},
|
|
));
|
|
});
|
|
});
|
|
}
|