initial commit

2026-07-31 18:33:06 +02:00
commit 64b2f479e0
8 changed files with 5475 additions and 0 deletions
@@ -0,0 +1,84 @@
+use bevy::prelude::*;
+
+const SCREEN_W: f32 = 640.0;
+const SCREEN_H: f32 = 480.0;
+const MESSAGE: &str = "TELETYPE GAMES";
+const CHAR_W: f32 = 40.0;
+const WAVE_AMPLITUDE: f32 = 28.0;
+
+fn palette(i: usize) -> Color {
+    match i % 5 {
+        0 => Color::srgb_u8(0x1a, 0x1c, 0x2c),
+        1 => Color::srgb_u8(0x5d, 0x27, 0x5d),
+        2 => Color::srgb_u8(0xb1, 0x3e, 0x53),
+        3 => Color::srgb_u8(0xef, 0x7d, 0x57),
+        _ => Color::srgb_u8(0xff, 0xcd, 0x75),
+    }
+}
+
+#[derive(Component)]
+struct Letter(usize);
+
+#[derive(Component)]
+struct Shadow;
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins.set(WindowPlugin {
+            primary_window: Some(Window {
+                title: "Teletype Games".into(),
+                resolution: (SCREEN_W, SCREEN_H).into(),
+                ..default()
+            }),
+            ..default()
+        }))
+        .insert_resource(ClearColor(Color::BLACK))
+        .add_systems(Startup, setup)
+        .add_systems(Update, animate)
+        .run();
+}
+
+fn setup(mut commands: Commands) {
+    commands.spawn(Camera2d);
+
+    let total_w = MESSAGE.chars().count() as f32 * CHAR_W;
+    for (i, ch) in MESSAGE.chars().enumerate() {
+        let x = i as f32 * CHAR_W - total_w / 2.0 + CHAR_W / 2.0;
+        let font = TextFont {
+            font_size: 48.0,
+            ..default()
+        };
+
+        commands.spawn((
+            Text2d::new(ch.to_string()),
+            font.clone(),
+            TextColor(Color::srgba(0.0, 0.0, 0.0, 0.7)),
+            Transform::from_xyz(x + 4.0, -4.0, 0.0),
+            Letter(i),
+            Shadow,
+        ));
+        commands.spawn((
+            Text2d::new(ch.to_string()),
+            font,
+            TextColor(palette(i)),
+            Transform::from_xyz(x, 0.0, 1.0),
+            Letter(i),
+        ));
+    }
+}
+
+fn animate(
+    time: Res<Time>,
+    mut query: Query<(&Letter, &mut Transform, &mut TextColor, Option<&Shadow>)>,
+) {
+    let t = time.elapsed_secs() * 2.5;
+    for (letter, mut transform, mut color, shadow) in &mut query {
+        let y = (t + letter.0 as f32 * 0.4).sin() * WAVE_AMPLITUDE;
+        if shadow.is_some() {
+            transform.translation.y = y - 4.0;
+        } else {
+            transform.translation.y = y;
+            color.0 = palette(letter.0 + (t * 0.8) as usize);
+        }
+    }
+}