About Orbix — Gesture Controlled Brick Breaker

Inspiration

Orbix was inspired by the idea of blending classic arcade gameplay with modern hand gesture controls. I wanted to take the nostalgic fun of brick breaker games and make it more immersive by using natural, intuitive hand movements instead of a keyboard or mouse.

What I Learned

During the development of Orbix, I learned:

• How to integrate OpenCV and MediaPipe for real-time hand tracking.
  
• How to implement smooth paddle movement and ball physics in Pygame.
  
• Techniques for game UI/UX, such as scoreboards, lifebars, and dynamic messages.
  
• How to handle game states like instructions, gameplay, pause, and game over.
  

How I Built It

Orbix is built using Python and Pygame for the game engine. The hand tracking system uses MediaPipe to detect two-finger gestures:

• Moving your hand left or right moves the paddle.
  
• Tapping your fingers launches the ball from the paddle.
  

The game also features:

• Gradually increasing ball speed for a challenging yet balanced experience.
  
• Scoreboard and lifebar with elegant overlays for clear gameplay feedback.
  
• Smooth paddle motion using interpolation for a natural feel.
  
• Instruction and detection messages to guide players throughout the game.
  

Challenges Faced

Some of the key challenges included:

• Ensuring the hand tracking was accurate under different lighting conditions.
  
• Making the game physics smooth, especially with variable frame rates.
  
• Preventing the UI texts from overlapping and maintaining a clean, readable interface.
  
• Balancing the ball speed so the game feels fast but not uncontrollable.
  

Orbix combines nostalgia, interactivity, and modern tech to create a fun and engaging gameplay experience.

Built With

• mediapipe
• pygame
• python