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Separate unrelated code to submodules in compute/sub-state examples (#13188)

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Large part of the code is UI spawning which contributes nothing to the
code example.
This commit is contained in:
MiniaczQ 2024-05-03 15:04:14 +02:00 committed by GitHub
parent 6ca1b0728a
commit 777bb8cfef
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2 changed files with 461 additions and 448 deletions
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685
examples/ecs/computed_states.rs
View File

@ -18,6 +18,8 @@
use bevy::prelude::*; use bevy::prelude::*;
use ui::*;
// To begin, we want to define our state objects. // To begin, we want to define our state objects.
#[derive(Debug, Clone, Copy, Default, Eq, PartialEq, Hash, States)] #[derive(Debug, Clone, Copy, Default, Eq, PartialEq, Hash, States)]
enum AppState { enum AppState {
@ -221,110 +223,6 @@ fn main() {
.run(); .run();
} }
#[derive(Resource)]
struct MenuData {
root_entity: Entity,
}
#[derive(Component, PartialEq, Eq)]
enum MenuButton {
Play,
Tutorial,
}
const NORMAL_BUTTON: Color = Color::srgb(0.15, 0.15, 0.15);
const HOVERED_BUTTON: Color = Color::srgb(0.25, 0.25, 0.25);
const PRESSED_BUTTON: Color = Color::srgb(0.35, 0.75, 0.35);
const ACTIVE_BUTTON: Color = Color::srgb(0.15, 0.85, 0.15);
const HOVERED_ACTIVE_BUTTON: Color = Color::srgb(0.25, 0.55, 0.25);
const PRESSED_ACTIVE_BUTTON: Color = Color::srgb(0.35, 0.95, 0.35);
fn setup(mut commands: Commands) {
commands.spawn(Camera2dBundle::default());
}
fn setup_menu(mut commands: Commands, tutorial_state: Res<State<TutorialState>>) {
let button_entity = commands
.spawn(NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn((
ButtonBundle {
style: Style {
width: Val::Px(200.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
image: UiImage::default().with_color(NORMAL_BUTTON),
..default()
},
MenuButton::Play,
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Play",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
parent
.spawn((
ButtonBundle {
style: Style {
width: Val::Px(200.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
image: UiImage::default().with_color(match tutorial_state.get() {
TutorialState::Active => ACTIVE_BUTTON,
TutorialState::Inactive => NORMAL_BUTTON,
}),
..default()
},
MenuButton::Tutorial,
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Tutorial",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
})
.id();
commands.insert_resource(MenuData {
root_entity: button_entity,
});
}
fn menu( fn menu(
mut next_state: ResMut<NextState<AppState>>, mut next_state: ResMut<NextState<AppState>>,
tutorial_state: Res<State<TutorialState>>, tutorial_state: Res<State<TutorialState>>,
@ -379,23 +277,9 @@ fn menu(
} }
} }
fn cleanup_menu(mut commands: Commands, menu_data: Res<MenuData>) {
commands.entity(menu_data.root_entity).despawn_recursive();
}
#[derive(Component)] #[derive(Component)]
struct StateBound<S: States>(S); struct StateBound<S: States>(S);
fn setup_game(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn((
StateBound(InGame),
SpriteBundle {
texture: asset_server.load("branding/icon.png"),
..default()
},
));
}
fn clear_state_bound_entities<S: States>( fn clear_state_bound_entities<S: States>(
state: S, state: S,
) -> impl Fn(Commands, Query<(Entity, &StateBound<S>)>) { ) -> impl Fn(Commands, Query<(Entity, &StateBound<S>)>) {
@ -409,37 +293,6 @@ fn clear_state_bound_entities<S: States>(
} }
} }
const SPEED: f32 = 100.0;
const TURBO_SPEED: f32 = 300.0;
fn movement(
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
turbo: Option<Res<State<TurboMode>>>,
mut query: Query<&mut Transform, With<Sprite>>,
) {
for mut transform in &mut query {
let mut direction = Vec3::ZERO;
if input.pressed(KeyCode::ArrowLeft) {
direction.x -= 1.0;
}
if input.pressed(KeyCode::ArrowRight) {
direction.x += 1.0;
}
if input.pressed(KeyCode::ArrowUp) {
direction.y += 1.0;
}
if input.pressed(KeyCode::ArrowDown) {
direction.y -= 1.0;
}
if direction != Vec3::ZERO {
transform.translation += direction.normalize()
* if turbo.is_some() { TURBO_SPEED } else { SPEED }
* time.delta_seconds();
}
}
}
fn toggle_pause( fn toggle_pause(
input: Res<ButtonInput<KeyCode>>, input: Res<ButtonInput<KeyCode>>,
current_state: Res<State<AppState>>, current_state: Res<State<AppState>>,
@ -455,57 +308,6 @@ fn toggle_pause(
} }
} }
fn setup_paused_screen(mut commands: Commands) {
info!("Printing Pause");
commands
.spawn((
StateBound(IsPaused::Paused),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent
.spawn((
NodeBundle {
style: Style {
width: Val::Px(400.),
height: Val::Px(400.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
background_color: NORMAL_BUTTON.into(),
..default()
},
MenuButton::Play,
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Paused",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
});
}
fn toggle_turbo( fn toggle_turbo(
input: Res<ButtonInput<KeyCode>>, input: Res<ButtonInput<KeyCode>>,
current_state: Res<State<AppState>>, current_state: Res<State<AppState>>,
@ -521,151 +323,12 @@ fn toggle_turbo(
} }
} }
fn setup_turbo_text(mut commands: Commands) {
commands
.spawn((
StateBound(TurboMode),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Start,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"TURBO MODE",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.3, 0.1),
..default()
},
));
});
}
fn quit_to_menu(input: Res<ButtonInput<KeyCode>>, mut next_state: ResMut<NextState<AppState>>) { fn quit_to_menu(input: Res<ButtonInput<KeyCode>>, mut next_state: ResMut<NextState<AppState>>) {
if input.just_pressed(KeyCode::Escape) { if input.just_pressed(KeyCode::Escape) {
next_state.set(AppState::Menu); next_state.set(AppState::Menu);
} }
} }
fn change_color(time: Res<Time>, mut query: Query<&mut Sprite>) {
for mut sprite in &mut query {
let new_color = LinearRgba {
blue: (time.elapsed_seconds() * 0.5).sin() + 2.0,
..LinearRgba::from(sprite.color)
};
sprite.color = new_color.into();
}
}
fn movement_instructions(mut commands: Commands) {
commands
.spawn((
StateBound(Tutorial::MovementInstructions),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::End,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Move the bevy logo with the arrow keys",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press T to enter TURBO MODE",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press SPACE to pause",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press ESCAPE to return to the menu",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
});
}
fn pause_instructions(mut commands: Commands) {
commands
.spawn((
StateBound(Tutorial::PauseInstructions),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::End,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Press SPACE to resume",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press ESCAPE to return to the menu",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
});
}
/// print when either an `AppState` transition or a `TutorialState` transition happens /// print when either an `AppState` transition or a `TutorialState` transition happens
fn log_transitions( fn log_transitions(
mut transitions: EventReader<StateTransitionEvent<AppState>>, mut transitions: EventReader<StateTransitionEvent<AppState>>,
@ -684,3 +347,347 @@ fn log_transitions(
); );
} }
} }
mod ui {
use crate::*;
#[derive(Resource)]
pub struct MenuData {
pub root_entity: Entity,
}
#[derive(Component, PartialEq, Eq)]
pub enum MenuButton {
Play,
Tutorial,
}
pub const NORMAL_BUTTON: Color = Color::srgb(0.15, 0.15, 0.15);
pub const HOVERED_BUTTON: Color = Color::srgb(0.25, 0.25, 0.25);
pub const PRESSED_BUTTON: Color = Color::srgb(0.35, 0.75, 0.35);
pub const ACTIVE_BUTTON: Color = Color::srgb(0.15, 0.85, 0.15);
pub const HOVERED_ACTIVE_BUTTON: Color = Color::srgb(0.25, 0.55, 0.25);
pub const PRESSED_ACTIVE_BUTTON: Color = Color::srgb(0.35, 0.95, 0.35);
pub fn setup(mut commands: Commands) {
commands.spawn(Camera2dBundle::default());
}
pub fn setup_menu(mut commands: Commands, tutorial_state: Res<State<TutorialState>>) {
let button_entity = commands
.spawn(NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn((
ButtonBundle {
style: Style {
width: Val::Px(200.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
image: UiImage::default().with_color(NORMAL_BUTTON),
..default()
},
MenuButton::Play,
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Play",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
parent
.spawn((
ButtonBundle {
style: Style {
width: Val::Px(200.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
image: UiImage::default().with_color(match tutorial_state.get() {
TutorialState::Active => ACTIVE_BUTTON,
TutorialState::Inactive => NORMAL_BUTTON,
}),
..default()
},
MenuButton::Tutorial,
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Tutorial",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
})
.id();
commands.insert_resource(MenuData {
root_entity: button_entity,
});
}
pub fn cleanup_menu(mut commands: Commands, menu_data: Res<MenuData>) {
commands.entity(menu_data.root_entity).despawn_recursive();
}
pub fn setup_game(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn((
StateBound(InGame),
SpriteBundle {
texture: asset_server.load("branding/icon.png"),
..default()
},
));
}
const SPEED: f32 = 100.0;
const TURBO_SPEED: f32 = 300.0;
pub fn movement(
time: Res<Time>,
input: Res<ButtonInput<KeyCode>>,
turbo: Option<Res<State<TurboMode>>>,
mut query: Query<&mut Transform, With<Sprite>>,
) {
for mut transform in &mut query {
let mut direction = Vec3::ZERO;
if input.pressed(KeyCode::ArrowLeft) {
direction.x -= 1.0;
}
if input.pressed(KeyCode::ArrowRight) {
direction.x += 1.0;
}
if input.pressed(KeyCode::ArrowUp) {
direction.y += 1.0;
}
if input.pressed(KeyCode::ArrowDown) {
direction.y -= 1.0;
}
if direction != Vec3::ZERO {
transform.translation += direction.normalize()
* if turbo.is_some() { TURBO_SPEED } else { SPEED }
* time.delta_seconds();
}
}
}
pub fn setup_paused_screen(mut commands: Commands) {
info!("Printing Pause");
commands
.spawn((
StateBound(IsPaused::Paused),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent
.spawn((
NodeBundle {
style: Style {
width: Val::Px(400.),
height: Val::Px(400.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
background_color: NORMAL_BUTTON.into(),
..default()
},
MenuButton::Play,
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Paused",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
});
}
pub fn setup_turbo_text(mut commands: Commands) {
commands
.spawn((
StateBound(TurboMode),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Start,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"TURBO MODE",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.3, 0.1),
..default()
},
));
});
}
pub fn change_color(time: Res<Time>, mut query: Query<&mut Sprite>) {
for mut sprite in &mut query {
let new_color = LinearRgba {
blue: (time.elapsed_seconds() * 0.5).sin() + 2.0,
..LinearRgba::from(sprite.color)
};
sprite.color = new_color.into();
}
}
pub fn movement_instructions(mut commands: Commands) {
commands
.spawn((
StateBound(Tutorial::MovementInstructions),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::End,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Move the bevy logo with the arrow keys",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press T to enter TURBO MODE",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press SPACE to pause",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press ESCAPE to return to the menu",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
});
}
pub fn pause_instructions(mut commands: Commands) {
commands
.spawn((
StateBound(Tutorial::PauseInstructions),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::End,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
position_type: PositionType::Absolute,
..default()
},
..default()
},
))
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Press SPACE to resume",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
parent.spawn(TextBundle::from_section(
"Press ESCAPE to return to the menu",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.3, 0.3, 0.7),
..default()
},
));
});
}
}

224
examples/ecs/sub_states.rs
View File

@ -9,6 +9,8 @@
use bevy::prelude::*; use bevy::prelude::*;
use ui::*;
#[derive(Debug, Clone, Copy, Default, Eq, PartialEq, Hash, States)] #[derive(Debug, Clone, Copy, Default, Eq, PartialEq, Hash, States)]
enum AppState { enum AppState {
#[default] #[default]
@ -61,62 +63,6 @@ fn main() {
.run(); .run();
} }
#[derive(Resource)]
struct MenuData {
button_entity: Entity,
}
const NORMAL_BUTTON: Color = Color::srgb(0.15, 0.15, 0.15);
const HOVERED_BUTTON: Color = Color::srgb(0.25, 0.25, 0.25);
const PRESSED_BUTTON: Color = Color::srgb(0.35, 0.75, 0.35);
fn setup(mut commands: Commands) {
commands.spawn(Camera2dBundle::default());
}
fn setup_menu(mut commands: Commands) {
let button_entity = commands
.spawn(NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn(ButtonBundle {
style: Style {
width: Val::Px(150.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
image: UiImage::default().with_color(NORMAL_BUTTON),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Play",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
})
.id();
commands.insert_resource(MenuData { button_entity });
}
fn menu( fn menu(
mut next_state: ResMut<NextState<AppState>>, mut next_state: ResMut<NextState<AppState>>,
mut interaction_query: Query< mut interaction_query: Query<
@ -145,13 +91,6 @@ fn cleanup_menu(mut commands: Commands, menu_data: Res<MenuData>) {
commands.entity(menu_data.button_entity).despawn_recursive(); commands.entity(menu_data.button_entity).despawn_recursive();
} }
fn setup_game(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn(SpriteBundle {
texture: asset_server.load("branding/icon.png"),
..default()
});
}
const SPEED: f32 = 100.0; const SPEED: f32 = 100.0;
fn movement( fn movement(
time: Res<Time>, time: Res<Time>,
@ -218,52 +157,6 @@ fn clear_state_bound_entities<S: States>(
} }
} }
fn setup_paused_screen(mut commands: Commands) {
commands
.spawn((
StateBound(IsPaused::Paused),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
..default()
},
..default()
},
))
.with_children(|parent| {
parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(400.),
height: Val::Px(400.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
background_color: NORMAL_BUTTON.into(),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Paused",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
});
}
/// print when an `AppState` transition happens /// print when an `AppState` transition happens
fn log_transitions(mut transitions: EventReader<StateTransitionEvent<AppState>>) { fn log_transitions(mut transitions: EventReader<StateTransitionEvent<AppState>>) {
for transition in transitions.read() { for transition in transitions.read() {
@ -273,3 +166,116 @@ fn log_transitions(mut transitions: EventReader<StateTransitionEvent<AppState>>)
); );
} }
} }
mod ui {
use crate::*;
#[derive(Resource)]
pub struct MenuData {
pub button_entity: Entity,
}
pub const NORMAL_BUTTON: Color = Color::srgb(0.15, 0.15, 0.15);
pub const HOVERED_BUTTON: Color = Color::srgb(0.25, 0.25, 0.25);
pub const PRESSED_BUTTON: Color = Color::srgb(0.35, 0.75, 0.35);
pub fn setup(mut commands: Commands) {
commands.spawn(Camera2dBundle::default());
}
pub fn setup_menu(mut commands: Commands) {
let button_entity = commands
.spawn(NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
..default()
},
..default()
})
.with_children(|parent| {
parent
.spawn(ButtonBundle {
style: Style {
width: Val::Px(150.),
height: Val::Px(65.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
image: UiImage::default().with_color(NORMAL_BUTTON),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Play",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
})
.id();
commands.insert_resource(MenuData { button_entity });
}
pub fn setup_game(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn(SpriteBundle {
texture: asset_server.load("branding/icon.png"),
..default()
});
}
pub fn setup_paused_screen(mut commands: Commands) {
commands
.spawn((
StateBound(IsPaused::Paused),
NodeBundle {
style: Style {
// center button
width: Val::Percent(100.),
height: Val::Percent(100.),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
flex_direction: FlexDirection::Column,
row_gap: Val::Px(10.),
..default()
},
..default()
},
))
.with_children(|parent| {
parent
.spawn(NodeBundle {
style: Style {
width: Val::Px(400.),
height: Val::Px(400.),
// horizontally center child text
justify_content: JustifyContent::Center,
// vertically center child text
align_items: AlignItems::Center,
..default()
},
background_color: NORMAL_BUTTON.into(),
..default()
})
.with_children(|parent| {
parent.spawn(TextBundle::from_section(
"Paused",
TextStyle {
font_size: 40.0,
color: Color::srgb(0.9, 0.9, 0.9),
..default()
},
));
});
});
}
}