def play(self): """Play the game.""" previousDirection = None listener = KeyListener() # Start the key listener listener.start() # Get the command for clearing the screen (dependent on OS) clearScreen = "cls" if platform.system() == "Windows" else "clear" # Place the first food self.placeFood() # Main game loop while not self.gameOver() and not listener.quit: # Display the game os.system(clearScreen) self.display(listener.paused) # Delay movement for the specified time time.sleep(self.speed) # Update the current direction currentDirection = listener.direction # Snake cannot immediately reverse direction if currentDirection == Direction.opposite(previousDirection): currentDirection = previousDirection # Move the snake if not paused if not listener.paused: self.move(currentDirection) # Store previous direction previousDirection = currentDirection # End the key listener listener.end() # Pause for 1 second time.sleep(1)
