Game over system fix

src/canvas.rs

@@ -0,0 +1,21 @@
+use crate::grid;
+use bevy::prelude::*;
+
+pub struct ModPlugin;
+
+impl Plugin for ModPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_startup_system(spawn_background);
+    }
+}
+
+fn spawn_background(mut commands: Commands) {
+    commands.spawn_bundle(SpriteBundle {
+        sprite: Sprite {
+            color: Color::DARK_GRAY,
+            custom_size: Some(Vec2::splat(grid::SEGMENT_SIZE * grid::SIZE as f32)),
+            ..Default::default()
+        },
+        ..Default::default()
+    });
+}