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Clean up the simple_picking example (#15633)

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## Solution

- Removed superfluous `Pickable` components
- Slightly simplified the code for updating the text color
- Removed the `Pointer<Click>` observer from the mesh entirely since
that doesn't support picking yet
This commit is contained in:
Tim 2024-10-04 01:31:21 +00:00 committed by GitHub
parent 0b9a461d5d
commit 2526410096
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GPG Key ID: B5690EEEBB952194
1 changed files with 16 additions and 27 deletions
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43
examples/picking/simple_picking.rs
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@ -18,19 +18,16 @@ fn setup(
mut materials: ResMut<Assets<StandardMaterial>>, mut materials: ResMut<Assets<StandardMaterial>>,
) { ) {
commands commands
.spawn(( .spawn(TextBundle {
TextBundle { text: Text::from_section("Click Me to get a box", TextStyle::default()),
text: Text::from_section("Click Me to get a box", TextStyle::default()), style: Style {
style: Style { position_type: PositionType::Absolute,
position_type: PositionType::Absolute, top: Val::Percent(12.0),
top: Val::Percent(12.0), left: Val::Percent(12.0),
left: Val::Percent(12.0), ..default()
..default()
},
..Default::default()
}, },
Pickable::default(), ..Default::default()
)) })
.observe( .observe(
|_click: Trigger<Pointer<Click>>, |_click: Trigger<Pointer<Click>>,
mut commands: Commands, mut commands: Commands,
@ -47,26 +44,18 @@ fn setup(
) )
.observe(|evt: Trigger<Pointer<Out>>, mut texts: Query<&mut Text>| { .observe(|evt: Trigger<Pointer<Out>>, mut texts: Query<&mut Text>| {
let mut text = texts.get_mut(evt.entity()).unwrap(); let mut text = texts.get_mut(evt.entity()).unwrap();
let first = text.sections.first_mut().unwrap(); text.sections[0].style.color = WHITE.into();
first.style.color = WHITE.into();
}) })
.observe(|evt: Trigger<Pointer<Over>>, mut texts: Query<&mut Text>| { .observe(|evt: Trigger<Pointer<Over>>, mut texts: Query<&mut Text>| {
let mut text = texts.get_mut(evt.entity()).unwrap(); let mut text = texts.get_mut(evt.entity()).unwrap();
let first = text.sections.first_mut().unwrap(); text.sections[0].style.color = BLUE.into();
first.style.color = BLUE.into();
}); });
// circular base // circular base
commands commands.spawn((
.spawn(( Mesh3d(meshes.add(Circle::new(4.0))),
Mesh3d(meshes.add(Circle::new(4.0))), MeshMaterial3d(materials.add(Color::WHITE)),
MeshMaterial3d(materials.add(Color::WHITE)), Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)), ));
Pickable::default(),
))
.observe(|click: Trigger<Pointer<Click>>| {
let click = click.event();
println!("{click:?}");
});
// light // light
commands.spawn(( commands.spawn((
PointLight { PointLight {