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https://github.com/bevyengine/bevy
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de004da8d5
# Objective The migration process for `bevy_color` (#12013) will be fairly involved: there will be hundreds of affected files, and a large number of APIs. ## Solution To allow us to proceed granularly, we're going to keep both `bevy_color::Color` (new) and `bevy_render::Color` (old) around until the migration is complete. However, simply doing this directly is confusing! They're both called `Color`, making it very hard to tell when a portion of the code has been ported. As discussed in #12056, by renaming the old `Color` type, we can make it easier to gradually migrate over, one API at a time. ## Migration Guide THIS MIGRATION GUIDE INTENTIONALLY LEFT BLANK. This change should not be shipped to end users: delete this section in the final migration guide! --------- Co-authored-by: Alice Cecile <alice.i.cecil@gmail.com>
103 lines
3.4 KiB
Rust
103 lines
3.4 KiB
Rust
//! This example illustrates how to override the window scale factor imposed by the
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//! operating system.
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use bevy::{prelude::*, window::WindowResolution};
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins.set(WindowPlugin {
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primary_window: Some(Window {
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resolution: WindowResolution::new(500., 300.).with_scale_factor_override(1.0),
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..default()
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}),
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..default()
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}))
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.add_systems(Startup, setup)
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.add_systems(
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Update,
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(display_override, toggle_override, change_scale_factor),
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)
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.run();
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}
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fn setup(mut commands: Commands) {
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// camera
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commands.spawn(Camera2dBundle::default());
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// root node
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commands
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.spawn(NodeBundle {
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style: Style {
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width: Val::Percent(100.0),
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height: Val::Percent(100.0),
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justify_content: JustifyContent::SpaceBetween,
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..default()
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},
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..default()
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})
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.with_children(|parent| {
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// left vertical fill (border)
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parent
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.spawn(NodeBundle {
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style: Style {
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width: Val::Px(200.0),
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height: Val::Percent(100.0),
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border: UiRect::all(Val::Px(2.0)),
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..default()
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},
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background_color: LegacyColor::rgb(0.65, 0.65, 0.65).into(),
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..default()
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})
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.with_children(|parent| {
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parent.spawn(
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TextBundle::from_section(
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"Example text",
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TextStyle {
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font_size: 30.0,
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..default()
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},
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)
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.with_style(Style {
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align_self: AlignSelf::FlexEnd,
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..default()
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}),
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);
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});
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});
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}
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/// Set the title of the window to the current override
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fn display_override(mut windows: Query<&mut Window>) {
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let mut window = windows.single_mut();
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window.title = format!(
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"Scale override: {:?}",
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window.resolution.scale_factor_override()
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);
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}
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/// This system toggles scale factor overrides when enter is pressed
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fn toggle_override(input: Res<ButtonInput<KeyCode>>, mut windows: Query<&mut Window>) {
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let mut window = windows.single_mut();
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if input.just_pressed(KeyCode::Enter) {
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let scale_factor_override = window.resolution.scale_factor_override();
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window
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.resolution
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.set_scale_factor_override(scale_factor_override.xor(Some(1.0)));
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}
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}
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/// This system changes the scale factor override when up or down is pressed
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fn change_scale_factor(input: Res<ButtonInput<KeyCode>>, mut windows: Query<&mut Window>) {
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let mut window = windows.single_mut();
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let scale_factor_override = window.resolution.scale_factor_override();
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if input.just_pressed(KeyCode::ArrowUp) {
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window
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.resolution
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.set_scale_factor_override(scale_factor_override.map(|n| n + 1.0));
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} else if input.just_pressed(KeyCode::ArrowDown) {
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window
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.resolution
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.set_scale_factor_override(scale_factor_override.map(|n| (n - 1.0).max(1.0)));
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}
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}
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