term_gui.py

import curses
from curses import textpad
import random
import json

def create_food(snake, box):
    while 1:
        food = [random.randint(box[0][0] + 1, box[1][0]) - 1,
                random.randint(box[0][1] + 1, box[1][1] - 1)]
        if food in snake:
            continue
        break
    return food


def main(stdscr):



    curses.curs_set(0)
    stdscr.nodelay(1)
    stdscr.timeout(150)

    sh, sw = stdscr.getmaxydx()
    box = [[3, 3], [sh - 3, sw - 3]]
    textpad.rectangle(stdscr, box[0][0], box[0][1], box[1][0], box[1][1])

    snake = [[sh // 2, sw // 2 + 1], [sh // 2, sw // 2], [sh // 2, sw // 2 - 1]]
    direction = curses.KEY_RIGHT

    for y, x in snake:
        stdscr.addstr(y, x, '#')

    food = create_food(snake, box)
    stdscr.addstr(food[0], food[1], '*')

    score = 0
    score_text = f'Score = {score}'
    stdscr.addstr(0, sw // 2 - len(score_text) // 2, str(score_text))

    while 1:

        key = stdscr.getch()

        if key in [curses.KEY_RIGHT, curses.KEY_LEFT, curses.KEY_UP, curses.KEY_DOWN]:
            direction = key

        head = snake[0]

        if direction == curses.KEY_RIGHT:
            new_head = [head[0], head[1] + 1]
        elif direction == curses.KEY_LEFT:
            new_head = [head[0], head[1] - 1]
        elif direction == curses.KEY_UP:
            new_head = [head[0] - 1, head[1]]
        elif direction == curses.KEY_DOWN:
            new_head = [head[0] + 1, head[1]]

        snake.insert(0, new_head)
        stdscr.addstr(new_head[0], new_head[1], '#')

        if snake[0] == food:
            food = create_food(snake, box)
            stdscr.addstr(food[0], food[1], '*')

            score_text = f'Score = {score + 1}'
            score += 1
            stdscr.addstr(0, sw // 2 - len(score_text) // 2, score_text)
            stdscr.refresh()
        else:
            stdscr.addstr(snake[-1][0], snake[-1][1], ' ')
            snake.pop()



        if (snake[0][0] in [box[0][0], box[1][0]] or
                snake[0][1] in [box[0][1], box[1][1]] or
                snake[0] in snake[1:]):
            msg = "Game Over!"
            stdscr.addstr(sh // 2, sw // 2 - len(msg) // 2, msg)
            stdscr.nodelay(0)
            stdscr.getch()
            break

        stdscr.refresh()


curses.wrapper(main)