Debug info, rotating cards, fixed backgrounds

src/debug.rs

@@ -1,10 +1,73 @@
 use bevy::prelude::*;
 
+use crate::deck::Card;
+
 /// Debugging systems
 pub struct DebugPlugin;
 
 impl Plugin for DebugPlugin {
-    fn build(&self, _app: &mut App) {
+    fn build(&self, app: &mut App) {
-        // Nothing yet!
+        app.add_observer(track_card_info)
+            .add_systems(Startup, init_ui);
+    }
+}
+
+#[derive(Component)]
+pub(crate) struct DebugText;
+
+fn init_ui(mut commands: Commands) {
+    commands
+        .spawn((
+            Sprite::from_color(Color::BLACK.with_alpha(0.9), [100.0, 100.0].into()),
+            DebugText,
+            Visibility::Hidden,
+            Transform::default().with_translation(Vec3::new(0.0, 0.0, 1.0)),
+            PickingBehavior::IGNORE,
+        ))
+        .with_children(|parent| {
+            parent.spawn((
+                Text2d("...".to_string()),
+                DebugText,
+                Transform::default().with_translation(Vec3::new(0.0, 0.0, 2.0)),
+                PickingBehavior::IGNORE,
+            ));
+        });
 }
+
+fn track_card_info(
+    trigger: Trigger<Pointer<Move>>,
+    mut transforms: Query<&mut Transform, (With<DebugText>, With<Sprite>)>,
+    window: Query<&Window>,
+) {
+    let p = trigger.pointer_location.position;
+    transforms.iter_mut().for_each(|mut t| {
+        let offset = window.single().resolution.size() / 2.0;
+        let pos = p - offset + Vec2::new(-50.0, 50.0);
+        t.translation.x = pos.x;
+        t.translation.y = -pos.y;
+    });
+}
+
+pub(crate) fn set_debug_card(
+    trigger: Trigger<Pointer<Over>>,
+    cards: Query<&Card>,
+    mut vis: Query<&mut Visibility, With<DebugText>>,
+    mut debug_text: Query<&mut Text2d, With<DebugText>>,
+) {
+    let card = cards.get(trigger.entity()).unwrap();
+    debug_text.iter_mut().for_each(|mut text| {
+        text.0 = format!("{}", card);
+    });
+    vis.iter_mut().for_each(|mut v| {
+        *v = Visibility::Inherited;
+    });
+}
+
+pub(crate) fn hide_debug_card(
+    _trigger: Trigger<Pointer<Out>>,
+    mut vis: Query<&mut Visibility, With<DebugText>>,
+) {
+    vis.iter_mut().for_each(|mut v| {
+        *v = Visibility::Hidden;
+    });
 }

src/deck.rs

@@ -81,12 +81,23 @@ impl Card {
             ItemNumber::Two => 1,
             ItemNumber::Three => 2,
         };
-        let layout = TextureAtlasLayout::from_grid(UVec2 { x: 20, y: 32 }, 3, 1, None, None);
+        let size = UVec2 { x: 20, y: 32 };
+        let layout = TextureAtlasLayout::from_grid(size, 3, 1, None, None);
 
         (fname, layout, num)
     }
 }
 
+impl std::fmt::Display for Card {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(
+            f,
+            "{}\n{}\n{}\n{}",
+            self.number, self.pattern, self.color, self.shape
+        )
+    }
+}
+
 /// Item colors for the card may be red, green or purple
 /// All items must be the same color
 #[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
@@ -96,6 +107,17 @@ pub(crate) enum ItemColor {
     Purple,
 }
 
+impl std::fmt::Display for ItemColor {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        let color = match self {
+            ItemColor::Red => "red",
+            ItemColor::Green => "green",
+            ItemColor::Purple => "purple",
+        };
+        write!(f, "{}", color)
+    }
+}
+
 /// A card may have 1 to 3 items
 #[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
 pub(crate) enum ItemNumber {
@@ -104,6 +126,17 @@ pub(crate) enum ItemNumber {
     Three,
 }
 
+impl std::fmt::Display for ItemNumber {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        let num = match self {
+            ItemNumber::One => 1,
+            ItemNumber::Two => 2,
+            ItemNumber::Three => 3,
+        };
+        write!(f, "{}", num)
+    }
+}
+
 /// Each item can be solid, striped, or open
 /// a card has all of it's item as one pattern
 #[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
@@ -113,6 +146,17 @@ pub(crate) enum ItemPattern {
     Open,
 }
 
+impl std::fmt::Display for ItemPattern {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        let fill = match self {
+            ItemPattern::Open => "empty",
+            ItemPattern::Striped => "shaded",
+            ItemPattern::Solid => "solid",
+        };
+        write!(f, "{}", fill)
+    }
+}
+
 /// Each item can be an oval, diamond, or squiggle
 /// All items on a card are one shape
 #[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
@@ -121,3 +165,14 @@ pub(crate) enum ItemShape {
     Diamond,
     Squiggle,
 }
+
+impl std::fmt::Display for ItemShape {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        let shape = match self {
+            ItemShape::Oval => "oval",
+            ItemShape::Diamond => "diamond",
+            ItemShape::Squiggle => "squiggle",
+        };
+        write!(f, "{}", shape)
+    }
+}

src/main.rs

@@ -11,10 +11,10 @@ fn main() {
         .add_plugins(DefaultPlugins.set(ImagePlugin::default_nearest()))
         .add_plugins((
             deck::DeckPlugin,
-            debug::DebugPlugin,
             boot::BootPlugin,
             setup::SetupPlugin,
             play::PlayPlugin,
+            debug::DebugPlugin,
         ))
         .init_state::<GameState>()
         .run();

src/play.rs

@@ -1,9 +1,18 @@
 use bevy::prelude::*;
 
+use crate::deck::Card;
+
 pub struct PlayPlugin;
 
 impl Plugin for PlayPlugin {
-    fn build(&self, _app: &mut App) {
+    fn build(&self, app: &mut App) {
-        // Nothing yet!
+        app.add_systems(Update, rotate_cards);
+    }
 }
+
+fn rotate_cards(mut query: Query<&mut Transform, With<Card>>, time: Res<Time>) {
+    let dt = time.delta().as_secs_f32();
+    query.iter_mut().for_each(|mut t| {
+        t.rotate_z(dt * 0.5);
+    });
 }

src/setup.rs

@@ -1,5 +1,5 @@
 use crate::{deck::*, *};
-use bevy::prelude::*;
+use bevy::{prelude::*, sprite::AlphaMode2d};
 
 pub struct SetupPlugin;
 
@@ -22,7 +22,7 @@ pub(crate) fn setup_cards(mut commands: Commands, deck: Res<Deck>) {
             .unwrap_or_else(|| panic!("fech card sprite {:?}", this_card))
             .clone();
         let new_this = Sprite {
-            custom_size: Some(Vec2::new(size, size)),
+            custom_size: Some(Vec2::new(40.0, 64.0)),
             ..this
         };
         // for a 9x9 grid we want x to wrap every 9 and y to increment every 9
@@ -33,7 +33,10 @@ pub(crate) fn setup_cards(mut commands: Commands, deck: Res<Deck>) {
         let x_off = -(size / 2.0) * 9.0;
         let y_off = -(size / 2.0) * 8.0;
         let t = Transform::from_xyz(l * (x as f32) + x_off, l * (y as f32) + y_off, 0.0);
-        commands.spawn((new_this, this_card, t));
+        commands
+            .spawn((new_this, this_card, t))
+            .observe(debug::set_debug_card)
+            .observe(debug::hide_debug_card);
     });
 }