life: pan sorta kinda works

life/src/main.rs

@@ -2,7 +2,10 @@
 
 use std::time::Duration;
 
-use bevy::{audio::Volume, picking::hover::Hovered, platform::collections::HashMap};
+use bevy::{
+    audio::Volume, input::mouse::{AccumulatedMouseMotion, MouseMotion}, picking::hover::Hovered,
+    platform::collections::HashMap,
+};
 use engine::*;
 
 const TILE: &str = "tileGrey_01.png";
@@ -30,7 +33,7 @@ fn main() {
         )
         .add_systems(
             Update,
-            modulate_volume // TODO: .run_if(any_component_added::<AudioSink>)
+            modulate_volume, // TODO: .run_if(any_component_added::<AudioSink>)
         )
         .add_systems(Update, grid_gizmo)
         .add_systems(
@@ -53,10 +56,6 @@ fn main() {
                 .run_if(in_state(SimulationState::Run))
                 .run_if(cooldown_secs(FRAME_DURATION)),
         )
-        .add_systems(
-            Update,
-            start_audio_synced.run_if(cooldown_secs(FRAME_DURATION))
-        )
         .add_systems(
             Update,
             simulation_step.run_if(on_message::<SimulationState>),
@@ -66,6 +65,7 @@ fn main() {
             visualize_ui_state.run_if(on_message::<Pointer<Click>>),
         )
         .add_systems(Update, cell_lifecycle.run_if(on_message::<Lifecycle>))
+        .add_systems(Update, mouse_pan.run_if(on_message::<MouseMotion>))
         .add_observer(on_add_ui_button)
         .add_observer(on_add_coordinates)
         .run();
@@ -166,11 +166,14 @@ fn setup(mut commands: Commands) {
         ))
         .with_children(|parent| {
             parent.spawn(UiButton::Power).observe(shutdown);
+            // TODO: Play/Pause Toggle
             parent.spawn(UiButton::Pause).observe(pause_sim);
-            parent.spawn(UiButton::Step).observe(step_sim);
             parent.spawn(UiButton::Play).observe(play_sim);
+            parent.spawn(UiButton::Step).observe(step_sim);
             parent.spawn(UiButton::ZoomOut).observe(zoom_out);
             parent.spawn(UiButton::ZoomIn).observe(zoom_in);
+            // TODO: Reset button
+            // TODO: Mute/Unmute Toggle
         });
 
     fn shutdown(_trigger: On<Pointer<Press>>, mut writer: MessageWriter<AppExit>) {
@@ -261,7 +264,7 @@ impl Coordinates {
     fn as_color(&self) -> Color {
         // hue (0..360.0) evenly spaced x in -2..4
         // chroma (0..1) evenly spaced y in -2..5
-        let hue = (360.0 / 5.0) * ((self.x + 2)  % 5) as f32;
+        let hue = (360.0 / 5.0) * ((self.x + 2) % 5) as f32;
         let chroma = (1.0 / 5.0) * ((self.y + 2) % 5) as f32;
         let lightness = (1.0 / 5.0) * ((self.y + 2) % 5) as f32;
         Color::Oklcha(Oklcha {
@@ -272,7 +275,6 @@ impl Coordinates {
         })
     }
 
-
     fn as_cell_pitch(&self) -> CellPitch {
         debug!("Generating cell pitch for {:?}", self);
 
@@ -288,11 +290,15 @@ impl Coordinates {
         let octave = ((self.y + 2).abs() % 5) - 2;
         debug_assert!((-2..=2).contains(&octave));
 
-        debug!("\t{:?}", CellPitch { note: note.clone(), octave });
+        debug!(
+            "\t{:?}",
+            CellPitch {
+                note: note.clone(),
+                octave
+            }
+        );
 
-        CellPitch {
-            note, octave
-        }
+        CellPitch { note, octave }
     }
 }
 
@@ -324,17 +330,9 @@ fn on_add_coordinates(
     commands.entity(trigger.entity).insert(t);
 
     let p = cell_assets.pitches.get(&c.as_cell_pitch()).unwrap();
-    commands.entity(trigger.entity).insert((AudioPlayer(p.clone()), PlaybackSettings::ONCE));
-}
-
-/// All audio starts paused so we can keep them in sync
-/// This starts audios when the system is triggered, which is on a timer
-fn start_audio_synced(query: Query<&AudioSink, With<Cell>>) {
-    query.iter().for_each(|sink| {
-        if sink.is_paused() {
-            sink.play()
-        }
-    });
+    commands
+        .entity(trigger.entity)
+        .insert((AudioPlayer(p.clone()), PlaybackSettings::ONCE));
 }
 
 /// When the cursor moves, update the Coordiantes
@@ -603,6 +601,10 @@ fn load_audio_tones(mut pitches: ResMut<Assets<Pitch>>, mut cell_assets: ResMut<
             };
             let frequency = cell_pitch.to_frequency();
             let duration = Duration::from_secs(100);
+            debug!(
+                "Adding Pitch frequency: {:?} duration: {:?}",
+                frequency, duration
+            );
             let handle = pitches.add(Pitch {
                 frequency,
                 duration,
@@ -613,6 +615,7 @@ fn load_audio_tones(mut pitches: ResMut<Assets<Pitch>>, mut cell_assets: ResMut<
     debug_assert!(cell_assets.pitches.iter().len() == 25);
 }
 
+// TODO: Why does audio only play when running simulation?
 fn modulate_volume(mut gv: ResMut<GlobalVolume>, active: Query<Entity, With<AudioSink>>) {
     let ratio = 1.0 / active.count() as f32;
     gv.volume = Volume::Linear(ratio);
@@ -630,11 +633,15 @@ fn load_materials(
     vertical.iter().for_each(|&x| {
         horizontal.iter().for_each(|&y| {
             let c = Coordinates { x, y };
-            let pitch =  c.as_cell_pitch();
+            let pitch = c.as_cell_pitch();
             let handle = {
                 let color = c.as_color();
                 let texture = Some(tile_handle.clone());
-                let color_material = ColorMaterial { color, texture, ..default() };
+                let color_material = ColorMaterial {
+                    color,
+                    texture,
+                    ..default()
+                };
                 materials.add(color_material)
             };
             cell_assets.materials.insert(pitch, handle);
@@ -646,3 +653,35 @@ fn load_materials(
 fn load_meshes(mut cell_assets: ResMut<CellAssets>, mut meshes: ResMut<Assets<Mesh>>) {
     cell_assets.mesh = meshes.add(Rectangle::new(SCALE, SCALE));
 }
+
+// TODO: Do not place piece if panning
+// TODO: Tie cursor to real world space, not pixels
+fn mouse_pan(
+    mouse_motion: Res<AccumulatedMouseMotion>,
+    button: Res<ButtonInput<MouseButton>>,
+    mut camera: Query<(&Camera, &mut Transform, &GlobalTransform), With<Camera2d>>,
+    window: Query<&Window>,
+) {
+    if button.pressed(MouseButton::Left) {
+        let delta = mouse_motion.delta;
+        camera.iter_mut().for_each(|(c, mut t, gt)| {
+            window.iter().for_each(|w| {
+                let Some(curr_cursor_position) = w.cursor_position() else {
+                    return;
+                };
+                let old_cursor_position = curr_cursor_position - delta / w.scale_factor();
+
+                let Ok(curr_world) = c.viewport_to_world_2d(gt, curr_cursor_position) else {
+                    return;
+                };
+                let Ok(old_world) = c.viewport_to_world_2d(gt, old_cursor_position) else {
+                    return;
+                };
+
+                let delta_world = old_world - curr_world;
+                t.translation.x += delta_world.x / 7.0;
+                t.translation.y += delta_world.y / 7.0;
+            });
+        });
+    }
+}

prototypes/src/bin/example.rs

@@ -0,0 +1,5 @@
+use engine::*;
+
+fn main() {
+    App::new().add_plugins(DefaultPlugins).run();
+}

scripts/fmt

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-for dir in $(find . -mindepth 2 -maxdepth 2 -name "Cargo.toml" -not -path "*/target/*" -exec dirname {} \;);
+for dir in $(find . -mindepth 2 -maxdepth 2 -name "Cargo.toml" -not -path "*/target/*" | xargs -I{} dirname {} );
 do
     cargo fmt --manifest-path "$dir/Cargo.toml";
 done