feat: add maxLevel to GameOptions with default of 25

- New option: maxLevel (defaults to 25)
- Once a player reaches maxLevel, levels no longer progress
- Prevents unlimited level scaling and FPS increases
- Example: useGame({ maxLevel: 10 })

src/types.ts

@@ -34,6 +34,7 @@ export type GameOptions = {
   timeLimit?: number;
   startingLevel?: number;
   foodsPerLevel?: number;
+  maxLevel?: number;
 };
 
 // ============================================================================

src/useGame/useGame.ts

@@ -8,7 +8,7 @@ import { useKeyBindings, type UseKeyBindingsType } from "./useKeyBindings";
 import { useScore } from "../useScore";
 
 export function useGame(options?: GameOptions, platformHook?: unknown): GameManager {
-  const { cols = 30, rows = 20, startingLevel, foodsPerLevel } = options ?? {};
+  const { cols = 30, rows = 20, startingLevel, foodsPerLevel, maxLevel } = options ?? {};
 
   const boardManager = useBoard();
   const { containerRef, renderBoard } = boardManager;
@@ -18,7 +18,7 @@ export function useGame(options?: GameOptions, platformHook?: unknown): GameMana
 
   const foodManager = useFood(cols, rows, boardManager);
 
-  const gameManager = useGameStatus(boardManager, snakeManager, foodManager, { startingLevel, foodsPerLevel });
+  const gameManager = useGameStatus(boardManager, snakeManager, foodManager, { startingLevel, foodsPerLevel, maxLevel });
   const { gameStatus, setGameStatus, startGame, quitGame, togglePause, score, level } = gameManager;
 
   useEffect(() => {

src/useGameStatus/useGameStatus.ts

@@ -7,6 +7,7 @@ import type { UseFoodType } from "../useGame/useFood";
 export type UseGameStatusParams = {
   startingLevel?: number;
   foodsPerLevel?: number;
+  maxLevel?: number;
 };
 
 export function useGameStatus(
@@ -17,6 +18,7 @@ export function useGameStatus(
 ) {
   const startingLevel = params?.startingLevel ?? 1;
   const foodsPerLevel = params?.foodsPerLevel ?? 10;
+  const maxLevel = params?.maxLevel ?? 25;
   const { containerRef } = boardManager;
   const { initSnake, clearSnake, snakeBodyRef } = snakeManager;
   const { spawnFood, clearFood } = foodManager;
@@ -99,7 +101,7 @@ export function useGameStatus(
                const pointsToAdd = levelRef.current;
                
                // Update level OUTSIDE of setScore to avoid multiple triggers
-               if (willLevelUp) {
+               if (willLevelUp && levelRef.current < maxLevel) {
                  const newLevel = levelRef.current + 1;
                  levelRef.current = newLevel;
                  setLevel(newLevel);