forked from bevyengine/bevy
-
Notifications
You must be signed in to change notification settings - Fork 0
/
scale_factor_override.rs
85 lines (81 loc) · 3.11 KB
/
scale_factor_override.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
use bevy::prelude::*;
/// This example illustrates how to customize the default window settings
fn main() {
App::build()
.insert_resource(WindowDescriptor {
width: 500.,
height: 300.,
..Default::default()
})
.add_plugins(DefaultPlugins)
.add_startup_system(setup.system())
.add_system(toggle_override.system())
.add_system(change_scale_factor.system())
.run();
}
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut materials: ResMut<Assets<ColorMaterial>>,
) {
commands
// ui camera
.spawn(UiCameraBundle::default())
// root node
.spawn(NodeBundle {
style: Style {
size: Size::new(Val::Percent(100.0), Val::Percent(100.0)),
justify_content: JustifyContent::SpaceBetween,
..Default::default()
},
material: materials.add(Color::NONE.into()),
..Default::default()
})
.with_children(|parent| {
parent
// left vertical fill (border)
.spawn(NodeBundle {
style: Style {
size: Size::new(Val::Px(200.0), Val::Percent(100.0)),
border: Rect::all(Val::Px(2.0)),
..Default::default()
},
material: materials.add(Color::rgb(0.65, 0.65, 0.65).into()),
..Default::default()
})
.with_children(|parent| {
parent.spawn(TextBundle {
style: Style {
align_self: AlignSelf::FlexEnd,
..Default::default()
},
text: Text::with_section(
"Example text",
TextStyle {
font: asset_server.load("fonts/FiraSans-Bold.ttf"),
font_size: 30.0,
color: Color::WHITE,
},
Default::default(),
),
..Default::default()
});
});
});
}
/// This system toggles scale factor overrides when enter is pressed
fn toggle_override(input: Res<Input<KeyCode>>, mut windows: ResMut<Windows>) {
let window = windows.get_primary_mut().unwrap();
if input.just_pressed(KeyCode::Return) {
window.set_scale_factor_override(window.scale_factor_override().xor(Some(1.)));
}
}
/// This system changes the scale factor override when up or down is pressed
fn change_scale_factor(input: Res<Input<KeyCode>>, mut windows: ResMut<Windows>) {
let window = windows.get_primary_mut().unwrap();
if input.just_pressed(KeyCode::Up) {
window.set_scale_factor_override(window.scale_factor_override().map(|n| n + 1.));
} else if input.just_pressed(KeyCode::Down) {
window.set_scale_factor_override(window.scale_factor_override().map(|n| (n - 1.).max(1.)));
}
}