Snake game using Python

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Python code for Snake game








# SNAKES GAME



# Use ARROW KEYS to play, SPACE BAR for pausing/resuming and Esc Key for exiting







import curses



from curses import KEY_RIGHT, KEY_LEFT, KEY_UP, KEY_DOWN



from random import randint











curses.initscr()



win = curses.newwin(20, 60, 0, 0)



win.keypad(1)



curses.noecho()



curses.curs_set(0)



win.border(0)



win.nodelay(1)







key = KEY_RIGHT                                                    # Initializing values



score = 0







snake = [[4,10], [4,9], [4,8]]                                     # Initial snake co-ordinates



food = [10,20]                                                     # First food co-ordinates







win.addch(food[0], food[1], '*')                                   # Prints the food







while key != 27:                                                   # While Esc key is not pressed



    win.border(0)



    win.addstr(0, 2, 'Score : ' + str(score) + ' ')                # Printing 'Score' and



    win.addstr(0, 27, ' SNAKE ')                                   # 'SNAKE' strings



    win.timeout(150 - (len(snake)/5 + len(snake)/10)%120)          # Increases the speed of Snake as its length increases



    



    prevKey = key                                                  # Previous key pressed



    event = win.getch()



    key = key if event == -1 else event 











    if key == ord(' '):                                            # If SPACE BAR is pressed, wait for another



        key = -1                                                   # one (Pause/Resume)



        while key != ord(' '):



            key = win.getch()



        key = prevKey



        continue







    if key not in [KEY_LEFT, KEY_RIGHT, KEY_UP, KEY_DOWN, 27]:     # If an invalid key is pressed



        key = prevKey







    # Calculates the new coordinates of the head of the snake. NOTE: len(snake) increases.



    # This is taken care of later at [1].



    snake.insert(0, [snake[0][0] + (key == KEY_DOWN and 1) + (key == KEY_UP and -1), snake[0][1] + (key == KEY_LEFT and -1) + (key == KEY_RIGHT and 1)])







    # If snake crosses the boundaries, make it enter from the other side



    if snake[0][0] == 0: snake[0][0] = 18



    if snake[0][1] == 0: snake[0][1] = 58



    if snake[0][0] == 19: snake[0][0] = 1



    if snake[0][1] == 59: snake[0][1] = 1







    # Exit if snake crosses the boundaries (Uncomment to enable)



    #if snake[0][0] == 0 or snake[0][0] == 19 or snake[0][1] == 0 or snake[0][1] == 59: break







    # If snake runs over itself



    if snake[0] in snake[1:]: break







    



    if snake[0] == food:                                            # When snake eats the food



        food = []



        score += 1



        while food == []:



            food = [randint(1, 18), randint(1, 58)]                 # Calculating next food's coordinates



            if food in snake: food = []



        win.addch(food[0], food[1], '*')



    else:    



        last = snake.pop()                                          # [1] If it does not eat the food, length decreases



        win.addch(last[0], last[1], ' ')



    win.addch(snake[0][0], snake[0][1], '#')



    



curses.endwin()



print("\nScore - " + str(score))



print("http://bitemelater.in\n")

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