1f97717a3d
# Objective - Resolves #10853 ## Solution - ~~Changed the name of `Input` struct to `PressableInput`.~~ - Changed the name of `Input` struct to `ButtonInput`. ## Migration Guide - Breaking Change: Users need to rename `Input` to `ButtonInput` in their projects.
87 lines
2.8 KiB
Rust
87 lines
2.8 KiB
Rust
//! This example illustrates how to use `TextureAtlases` within ui
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use bevy::{prelude::*, winit::WinitSettings};
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins.set(
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// This sets image filtering to nearest
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// This is done to prevent textures with low resolution (e.g. pixel art) from being blurred
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// by linear filtering.
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ImagePlugin::default_nearest(),
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))
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// Only run the app when there is user input. This will significantly reduce CPU/GPU use.
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.insert_resource(WinitSettings::desktop_app())
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.add_systems(Startup, setup)
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.add_systems(Update, increment_atlas_index)
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.run();
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}
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fn setup(
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mut commands: Commands,
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asset_server: Res<AssetServer>,
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mut texture_atlases: ResMut<Assets<TextureAtlas>>,
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) {
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// Camera
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commands.spawn(Camera2dBundle::default());
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let text_style = TextStyle {
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font_size: 20.,
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..default()
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};
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let texture_handle = asset_server.load("textures/rpg/chars/gabe/gabe-idle-run.png");
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let texture_atlas =
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TextureAtlas::from_grid(texture_handle, Vec2::new(24.0, 24.0), 7, 1, None, None);
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let texture_atlas_handle = texture_atlases.add(texture_atlas);
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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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flex_direction: FlexDirection::Column,
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justify_content: JustifyContent::Center,
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align_items: AlignItems::Center,
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row_gap: Val::Px(text_style.font_size * 2.),
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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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parent.spawn(AtlasImageBundle {
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style: Style {
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width: Val::Px(256.),
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height: Val::Px(256.),
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..default()
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},
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texture_atlas: texture_atlas_handle,
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texture_atlas_image: UiTextureAtlasImage::default(),
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..default()
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});
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parent.spawn(TextBundle::from_sections([
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TextSection::new("press ".to_string(), text_style.clone()),
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TextSection::new(
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"space".to_string(),
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TextStyle {
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color: Color::YELLOW,
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..text_style.clone()
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},
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),
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TextSection::new(" to advance frames".to_string(), text_style),
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]));
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});
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}
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fn increment_atlas_index(
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mut atlas_images: Query<&mut UiTextureAtlasImage>,
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keyboard: Res<ButtonInput<KeyCode>>,
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) {
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if keyboard.just_pressed(KeyCode::Space) {
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for mut atlas_image in &mut atlas_images {
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atlas_image.index = (atlas_image.index + 1) % 6;
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}
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}
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}
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