Untitled

import random
from tkinter import *

GAME_WIDTH = 800
GAME_HEIGHT = 800
SNAKE_SPEED = 40
SPACE_SIZE = 50
SNAKE_SIZE = 3
SNAKE_COLOR = "lime"
BIT_COLOR = "red"
BG_COLOR = "black"


class Snake:

    def __init__(self):
        self.body_size = SNAKE_SIZE
        self.coordinates = []
        self.squares = []

        for i in range(0, SNAKE_SIZE):
            self.coordinates.append([150,150])

        for x,y in self.coordinates:
            square = canvas.create_rectangle(x,y, x + SPACE_SIZE, y + SPACE_SIZE, fill=SNAKE_COLOR, tag="snake")
            self.squares.append(square)

class Food:

    def __init__(self):

        x = random.randint(0, (GAME_WIDTH/SPACE_SIZE)-1) * SPACE_SIZE
        y = random.randint(0, (GAME_HEIGHT/SPACE_SIZE)-1) * SPACE_SIZE

        self.coordinates = [x,y]

        canvas.create_rectangle(x,y, x + SPACE_SIZE, y + SPACE_SIZE, fill =BIT_COLOR, tag="food" )


def next_turn(snake, food):

    x, y = snake.coordinates[0]

    if direction == "up":
        y -= SPACE_SIZE
    elif direction == "down":
        y += SPACE_SIZE
    elif direction == "right":
        x += SPACE_SIZE
    elif direction == "left":
        x -= SPACE_SIZE

    snake.coordinates.insert(0,(x, y))

    square = canvas.create_rectangle(x,y, x + SPACE_SIZE, y + SPACE_SIZE, fill=SNAKE_COLOR)

    snake.squares.insert(0, square)

    if x == food.coordinates[0] and y == food.coordinates[1]:
        global score
        score +=1

        label.config(text=f"Score:{score}")

        canvas.delete("food")

        food = Food()
    else:

        del snake.coordinates[-1]
        canvas.delete(snake.squares[-1])
        del snake.squares[-1]

    if collision_check(snake):
        game_over()

    else:
        window.after(SNAKE_SPEED, next_turn, snake, food)

def direction_change(new_direction):

    global direction

    if new_direction == "left":
        if direction != "right":
            direction = new_direction

    elif new_direction == "right":
        if direction != "left":
            direction = new_direction

    elif new_direction == "up":
        if direction != "down":
            direction = new_direction

    elif new_direction == "down":
        if direction != "up":
            direction = new_direction

def collision_check(snake):

    x, y = snake.coordinates[0]

    if x < 0 or x >= GAME_WIDTH:
        return True
    elif y < 0 or y >= GAME_HEIGHT:
        return True

    for body_part in snake.coordinates[1:]:
        if x == body_part[0] and y == body_part[1]:
            return True

    return False

def game_over():

    canvas.delete(ALL)
    canvas.create_text(canvas.winfo_width()/2, canvas.winfo_height()/2,
                       font=("consolas", 80), text="GAME OVER!", fill= "red", tag="gameover")

window = Tk()
window.title("Snake Game")
icon = PhotoImage(file="R.png")
window.iconphoto(True, icon)
window.resizable(False,False)

score = 0
direction = "down"

label = Label(window, text=f"score:{score}", font=("consolas", 35))
label.pack()

canvas = Canvas(window, bg=BG_COLOR, width=GAME_WIDTH, height=GAME_HEIGHT)
canvas.pack()

window.update()
window_width = window.winfo_width()
window_height = window.winfo_height()
screen_width = window.winfo_screenwidth()
screen_height = window.winfo_screenheight()

x = int(((screen_width/2)- window_width/2))
y = int(((screen_height/2)- window_height/2))

window.geometry(f"{window_width}x{window_height}+{x}+{y}")

window.bind("<Left>", lambda event: direction_change("left"))
window.bind("<Right>", lambda event: direction_change("right"))
window.bind("<Up>", lambda event: direction_change("up"))
window.bind("<Down>", lambda event: direction_change("down"))
window.bind("<a>", lambda event: direction_change("left"))
window.bind("<d>", lambda event: direction_change("right"))
window.bind("<w>", lambda event: direction_change("up"))
window.bind("<s>", lambda event: direction_change("down"))

snake = Snake()
food = Food()

next_turn(snake, food)

window.mainloop()