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C# Unity Pac-Man Style Maze Game with Optional Wax Blockchain integration

C# Unity Pac-Man Style Maze Game with Optional Wax Blockchain integration

Create a 2D, Pac-Man style, maze game using Unity and C#. Then learn how to integrate NFTs using the WAX blockchain

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Creating a Pac-Man style maze game in Unity with optional Wax Blockchain integration involves a combination of game development and blockchain technology. Here's a detailed guide to building such a game, focusing on the key aspects of game mechanics, Unity development, and Wax Blockchain integration.

Setting Up the Unity Project

  1. Install Unity: Start by installing the latest version of Unity Hub and the Unity Editor. Create a new 2D project.

  2. Project Structure: Organize your project folders. A typical structure might include:

    • Assets: All your game assets.
    • Scripts: For your C# scripts.
    • Prefabs: For reusable game objects.
    • Scenes: For your game levels.
    • Sprites: For images and animations.

Designing the Maze

  1. Maze Layout: Design your maze using a grid layout. Unity’s Tilemap feature is perfect for this. Create a Tilemap by going to GameObject > 2D Object > Tilemap.

  2. Creating Tiles: Use sprite sheets to create tiles for walls, pathways, and pellets. Import your sprites into Unity, slice them in the Sprite Editor, and create tile assets.

  3. Tilemap Setup: Paint your maze layout using the Tile Palette window. Arrange the walls, pathways, and place special items like power-ups and pellets.

Player Character (Pac-Man)

  1. Player Sprite: Import a Pac-Man sprite and create an animation for movement. Use Unity's Animator to manage the animations.

  2. Player Script: Write a C# script to control Pac-Man’s movement. Here’s a simple example:

using UnityEngine; public class PacManController : MonoBehaviour { public float speed = 5f; private Vector2 direction =; void Update() { HandleInput(); Move(); } void HandleInput() { if (Input.GetKey(KeyCode.UpArrow)) direction = Vector2.up; else if (Input.GetKey(KeyCode.DownArrow)) direction = Vector2.down; else if (Input.GetKey(KeyCode.LeftArrow)) direction = Vector2.left; else if (Input.GetKey(KeyCode.RightArrow)) direction = Vector2.right; } void Move() { transform.Translate(direction * speed * Time.deltaTime); } }

Enemies (Ghosts)

  1. Ghost AI: Import ghost sprites and create animations. Write a script for basic enemy behavior, including movement and AI to chase the player.
public class GhostAI : MonoBehaviour { public Transform player; public float speed = 3f; void Update() { Vector2 direction = (player.position - transform.position).normalized; transform.Translate(direction * speed * Time.deltaTime); } }

Game Mechanics

  1. Pellets and Power-Ups: Create scripts to handle collisions with pellets and power-ups. Update the player score and modify ghost behavior when power-ups are collected.
public class Pellet : MonoBehaviour { void OnTriggerEnter2D(Collider2D other) { if (other.CompareTag("Player")) { // Increase score Destroy(gameObject); } } } public class PowerUp : MonoBehaviour { void OnTriggerEnter2D(Collider2D other) { if (other.CompareTag("Player")) { // Trigger power-up effect Destroy(gameObject); } } }

Wax Blockchain Integration (Optional)

  1. Setting Up Wax SDK: To integrate with the Wax Blockchain, use a Wax SDK or API. This allows you to manage blockchain transactions, such as storing high scores or unlocking NFTs.

  2. Installing Wax SDK: Follow the Wax SDK documentation to install and configure it within your Unity project. You might need to use a plugin or a Unity package manager.

  3. Blockchain Authentication: Implement user authentication to connect to the Wax Blockchain. This usually involves linking a Wax wallet.

using WaxSDK; public class BlockchainManager : MonoBehaviour { private Wax wax; void Start() { wax = new Wax("", "your-app-name"); } public void AuthenticateUser() { wax.Login(OnLoginSuccess, OnLoginError); } private void OnLoginSuccess(string userAccount) { Debug.Log("User authenticated: " + userAccount); } private void OnLoginError(string error) { Debug.LogError("Login failed: " + error); } }
  1. Storing High Scores: After authentication, you can write functions to store and retrieve high scores on the blockchain.
public void SaveScore(int score) { wax.Transaction(new Transaction { Actions = new List<Action> { new Action { Account = "highscores", Name = "save", Authorization = new List<Authorization> { new Authorization { Actor = wax.UserAccount, Permission = "active" } }, Data = new { user = wax.UserAccount, score = score } } } }, OnTransactionSuccess, OnTransactionError); } private void OnTransactionSuccess(string transactionId) { Debug.Log("Score saved successfully: " + transactionId); } private void OnTransactionError(string error) { Debug.LogError("Transaction failed: " + error); }

Final Touches

  1. UI and UX: Create a user interface for score display, game over screens, and blockchain authentication prompts. Use Unity’s UI system to design these elements.

  2. Testing and Debugging: Test the game thoroughly. Ensure that the player movement, enemy AI, collisions, and blockchain interactions work seamlessly.

  3. Build and Deployment: Once satisfied with your game, build it for your target platform (Windows, macOS, Android, iOS, etc.). Distribute your game through appropriate channels, and if integrating blockchain, ensure users are informed about how to use the Wax wallet.


Building a Pac-Man style maze game in Unity with Wax Blockchain integration is an exciting project that combines classic game development with modern blockchain technology. By following this guide, you’ll create a game that not only entertains but also introduces players to the world of decentralized applications. Whether or not you choose to integrate blockchain features, the core game development process remains a valuable learning experience.

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