cyber_rider/src/ui.rs

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Rust
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use bevy::prelude::*;
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use bevy_rapier3d::prelude::*;
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use crate::geometry::CyberBike;
#[derive(Component)]
struct UpText;
fn setup_ui(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn_bundle(UiCameraBundle::default());
commands
.spawn_bundle(TextBundle {
style: Style {
align_self: AlignSelf::FlexEnd,
..Default::default()
},
// Use `Text` directly
text: Text {
// Construct a `Vec` of `TextSection`s
sections: vec![TextSection {
value: "".to_string(),
style: TextStyle {
font: asset_server.load("fonts/FiraMono-Medium.ttf"),
font_size: 40.0,
color: Color::GOLD,
},
}],
..Default::default()
},
..Default::default()
})
.insert(UpText);
}
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fn update_ui(
state_query: Query<&RigidBodyVelocityComponent, With<CyberBike>>,
mut text_query: Query<&mut Text, With<UpText>>,
) {
let mut text = text_query.single_mut();
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let state = state_query.single();
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text.sections[0].value = format!("spd: {:.2}", state.linvel.magnitude());
}
pub struct CyberUIPlugin;
impl Plugin for CyberUIPlugin {
fn build(&self, app: &mut App) {
app.add_startup_system(setup_ui).add_system(update_ui);
}
}