Merge pull request #7 from sinproject-iwasaki/5-add-text-animation

Add text animation #5

src/lib.rs

@@ -8,6 +8,9 @@ pub fn run() {
         .add_plugins(DefaultPlugins)
         .add_systems(Startup, setup)
         .add_systems(Update, update_time)
+        // .add_systems(Update, animate_transform)
+        .add_systems(Update, animate_rotation)
+        .add_systems(Update, animate_scale)
         .run();
 }
 
@@ -25,13 +28,14 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
     };
     let text_justification = JustifyText::Center;
 
-    commands
-        .spawn(Text2dBundle {
+    commands.spawn((
+        Text2dBundle {
             text: Text::from_section("00:00:00", text_style.clone())
                 .with_justify(text_justification),
             ..default()
-        })
-        .insert(TimeText);
+        },
+        TimeText,
+    ));
 }
 
 fn update_time(mut query: Query<&mut Text, With<TimeText>>, windows: Query<&Window>) {
@@ -42,9 +46,38 @@ fn update_time(mut query: Query<&mut Text, With<TimeText>>, windows: Query<&Wind
     let font_size_by_height = window.height();
     let font_size = font_size_by_width.min(font_size_by_height) / 1.5;
 
-    for mut text in query.iter_mut() {
+    for mut text in &mut query {
         let now = Local::now();
         text.sections[0].value = now.format("%H:%M:%S.%3f").to_string();
         text.sections[0].style.font_size = font_size;
     }
 }
+
+// fn animate_transform(
+//     time: Res<Time>,
+//     mut query: Query<&mut Transform, (With<Text>, With<TimeText>)>,
+// ) {
+//     for mut transform in query.iter_mut() {
+//         transform.translation.x = 50.0 * time.elapsed_seconds().sin();
+//         transform.translation.y = 50.0 * time.elapsed_seconds().cos();
+//     }
+// }
+
+fn animate_rotation(
+    time: Res<Time>,
+    mut query: Query<&mut Transform, (With<Text>, With<TimeText>)>,
+) {
+    for mut transform in query.iter_mut() {
+        transform.rotation = Quat::from_rotation_z(time.elapsed_seconds().cos() * 0.1);
+    }
+}
+
+fn animate_scale(time: Res<Time>, mut query: Query<&mut Transform, (With<Text>, With<TimeText>)>) {
+    for mut transform in query.iter_mut() {
+        // transform.translation = Vec3::new(400.0, 0.0, 0.0);
+
+        let scale = (time.elapsed_seconds().sin() + 1.1) * 2.0;
+        transform.scale.x = scale;
+        transform.scale.y = scale;
+    }
+}