Merge branch '39-game-configuration-fallback' into 'dev'

Resolve "Game Configuration Fallback"

See merge request softwaregrundprojekt/2025-2026/einzelprojekt/tutorium-moritz/bernroider-dominik/bernroider-dominik!9

assets/config.json

@@ -1,5 +1,5 @@
 {
-  "grid_width": 10,
+  "grid_width": 12,
-  "grid_height": 10,
+  "grid_height": 4,
-  "pom_speed": 2
+  "pom_speed": 1.5
 }

src/config.rs

@@ -10,6 +10,16 @@ pub struct GameConfig {
     pub pom_speed: f32,
 }
 
+impl Default for GameConfig {
+    fn default() -> Self {
+        Self {
+            grid_width: 12,
+            grid_height: 4,
+            pom_speed: 1.5,
+        }
+    }
+}
+
 pub fn read_config() -> Option<GameConfig> {
     let file = File::open("assets/config.json").ok()?;
     let reader = BufReader::new(file);

src/main.rs

@@ -1,11 +1,11 @@
 use bevy::prelude::*;
 use bevy_aseprite_ultra::prelude::*;
 use bevy_dev_tools::fps_overlay::*;
-use pomomon_garden::config::read_config;
+use pomomon_garden::config::{GameConfig, read_config};
 use pomomon_garden::plugins;
 
 fn main() {
-    let config = read_config().expect("Error reading config");
+    let config = read_config().unwrap_or(GameConfig::default());
 
     App::new()
         .add_plugins((