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src/app.rs

@@ -26,8 +26,6 @@ impl Game for App {
     }
 
     fn load(&mut self, _asset_store: &mut AssetStore) {
-        self.board.generate_tile();
-        self.board.generate_tile();
     }
 
     fn key_press(
@@ -47,6 +45,9 @@ impl Game for App {
         if key == keyboard::Down {
             self.board.merge_from_top_to_bottom();
         }
+        if key == keyboard::Space {
+            self.board = Board::new();
+        }
     }
 
     fn key_release(

src/board.rs

@@ -18,11 +18,14 @@ pub struct Board {
 
 impl Board {
     pub fn new() -> Board {
-        Board {
+        let mut board = Board {
             tiles: Vec::<Tile>::new(),
             score: 0,
             highest_score: 0,
-        }
+        };
+        board.generate_tile();
+        board.generate_tile();
+        board
     }
 
     pub fn generate_tile(&mut self) {