137 lines
5.5 KiB
Rust
137 lines
5.5 KiB
Rust
use bevy::prelude::*;
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fn main() {
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App::build()
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.add_default_plugins()
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.add_startup_system(setup.system())
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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 textures: ResMut<Assets<Texture>>,
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mut materials: ResMut<Assets<ColorMaterial>>,
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) {
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let texture_handle = asset_server
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.load_sync(&mut textures, "assets/branding/bevy_logo_dark_big.png")
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.unwrap();
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let font_handle = asset_server.load("assets/fonts/FiraSans-Bold.ttf").unwrap();
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let texture = textures.get(&texture_handle).unwrap();
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let aspect = texture.aspect();
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commands
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// ui camera
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.spawn(OrthographicCameraComponents::default())
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// root node
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.spawn(NodeComponents {
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node: Node::new(Anchors::FULL, Margins::default()),
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material: materials.add(Color::NONE.into()),
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..Default::default()
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})
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.with_children(|parent| {
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parent
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// left vertical fill
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.spawn(NodeComponents {
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node: Node::new(Anchors::LEFT_FULL, Margins::new(10.0, 200.0, 10.0, 10.0)),
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material: materials.add(Color::rgb(0.02, 0.02, 0.02).into()),
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..Default::default()
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})
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.with_children(|parent| {
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parent.spawn(LabelComponents {
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node: Node::new(Anchors::TOP_LEFT, Margins::new(10.0, 200.0, 40.0, 10.0)),
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label: Label {
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text: "Text Label".to_string(),
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font: font_handle,
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style: TextStyle {
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font_size: 30.0,
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color: Color::WHITE,
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..Default::default()
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},
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},
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..Default::default()
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});
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})
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// right vertical fill
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.spawn(NodeComponents {
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node: Node::new(Anchors::RIGHT_FULL, Margins::new(10.0, 100.0, 100.0, 100.0)),
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material: materials.add(Color::rgb(0.02, 0.02, 0.02).into()),
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..Default::default()
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})
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// render order test: reddest in the back, whitest in the front
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.spawn(NodeComponents {
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node: Node::positioned(
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Vec2::new(75.0, 60.0),
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Anchors::CENTER,
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Margins::new(0.0, 100.0, 0.0, 100.0),
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),
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material: materials.add(Color::rgb(1.0, 0.0, 0.0).into()),
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..Default::default()
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})
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.spawn(NodeComponents {
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node: Node::positioned(
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Vec2::new(50.0, 35.0),
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Anchors::CENTER,
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Margins::new(0.0, 100.0, 0.0, 100.0),
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),
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material: materials.add(Color::rgb(1.0, 0.3, 0.3).into()),
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..Default::default()
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})
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.spawn(NodeComponents {
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node: Node::positioned(
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Vec2::new(100.0, 85.0),
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Anchors::CENTER,
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Margins::new(0.0, 100.0, 0.0, 100.0),
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),
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material: materials.add(Color::rgb(1.0, 0.5, 0.5).into()),
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..Default::default()
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})
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.spawn(NodeComponents {
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node: Node::positioned(
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Vec2::new(150.0, 135.0),
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Anchors::CENTER,
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Margins::new(0.0, 100.0, 0.0, 100.0),
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),
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material: materials.add(Color::rgb(1.0, 0.7, 0.7).into()),
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..Default::default()
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})
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// parenting
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.spawn(NodeComponents {
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node: Node::positioned(
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Vec2::new(210.0, 0.0),
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Anchors::BOTTOM_LEFT,
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Margins::new(0.0, 200.0, 10.0, 210.0),
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),
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material: materials.add(Color::rgb(0.1, 0.1, 1.0).into()),
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..Default::default()
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})
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.with_children(|parent| {
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parent.spawn(NodeComponents {
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node: Node::new(Anchors::FULL, Margins::new(20.0, 20.0, 20.0, 20.0)),
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material: materials.add(Color::rgb(0.6, 0.6, 1.0).into()),
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..Default::default()
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});
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})
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// alpha test
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.spawn(NodeComponents {
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node: Node::positioned(
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Vec2::new(200.0, 185.0),
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Anchors::CENTER,
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Margins::new(0.0, 100.0, 0.0, 100.0),
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),
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material: materials.add(Color::rgba(1.0, 0.9, 0.9, 0.4).into()),
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..Default::default()
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})
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// texture
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.spawn(NodeComponents {
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node: Node::new(
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Anchors::CENTER_TOP,
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Margins::new(-250.0, 250.0, 510.0 * aspect, 10.0),
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),
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material: materials.add(ColorMaterial::texture(texture_handle)),
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..Default::default()
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});
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});
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}
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