monsters move and attack the player

src/game.rs

@@ -179,11 +179,11 @@ impl Game {
         }
     }
     /// updates the player's current level. This will remove collected artifacts and dead monsters.
-    pub fn update_level(&mut self) {
+    pub fn update_level(&mut self, ticks: u128) {
         let player_pos = &self.player.get_immutable_position();
         let player_level = player_pos.get_level();
         let level = &mut self.levels[player_level];
-        level.update();
+        level.update(ticks, &mut self.player);
     }
 }