script game ular

import pygame
import time
import random

# Inisialisasi pygame
pygame.init()

# Warna
white = (255, 255, 255)
yellow = (255, 255, 102)
black = (0, 0, 0)
red = (213, 50, 80)
green = (0, 255, 0)
blue = (50, 153, 213)

# Dimensi layar
width = 800
height = 600

# Membuat layar
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("Snake Game")

# Kecepatan ular
clock = pygame.time.Clock()
snake_speed = 15

# Ukuran blok
block_size = 20

# Font untuk pesan
font_style = pygame.font.SysFont("bahnschrift", 25)
score_font = pygame.font.SysFont("comicsansms", 35)


def your_score(score):
    """Menampilkan skor pada layar."""
    value = score_font.render("Your Score: " + str(score), True, yellow)
    screen.blit(value, [10, 10])


def our_snake(block_size, snake_list):
    """Menggambar ular di layar."""
    for block in snake_list:
        pygame.draw.rect(screen, green, [block[0], block[1], block_size, block_size])


def message(msg, color):
    """Menampilkan pesan pada layar."""
    mesg = font_style.render(msg, True, color)
    screen.blit(mesg, [width / 6, height / 3])


def gameLoop():
    """Fungsi utama untuk menjalankan game."""
    game_over = False
    game_close = False

    # Posisi awal ular
    x1 = width / 2
    y1 = height / 2

    # Pergerakan awal
    x1_change = 0
    y1_change = 0

    # Panjang ular
    snake_list = []
    length_of_snake = 1

    # Posisi makanan
    foodx = round(random.randrange(0, width - block_size) / block_size) * block_size
    foody = round(random.randrange(0, height - block_size) / block_size) * block_size

    while not game_over:

        while game_close:
            screen.fill(blue)
            message("You lost! Press Q-Quit or C-Play Again", red)
            your_score(length_of_snake - 1)
            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        game_over = True
                        game_close = False
                    if event.key == pygame.K_c:
                        gameLoop()

        # Mengontrol pergerakan ular
        for event in pygame.event.get():
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    x1_change = -block_size
                    y1_change = 0
                elif event.key == pygame.K_RIGHT:
                    x1_change = block_size
                    y1_change = 0
                elif event.key == pygame.K_UP:
                    y1_change = -block_size
                    x1_change = 0
                elif event.key == pygame.K_DOWN:
                    y1_change = block_size
                    x1_change = 0

        # Memastikan ular tetap berada di layar
        if x1 >= width or x1 < 0 or y1 >= height or y1 < 0:
            game_close = True

        x1 += x1_change
        y1 += y1_change
        screen.fill(black)

        # Gambar makanan
        pygame.draw.rect(screen, red, [foodx, foody, block_size, block_size])

        # Menambah posisi ular
        snake_head = []
        snake_head.append(x1)
        snake_head.append(y1)
        snake_list.append(snake_head)

        if len(snake_list) > length_of_snake:
            del snake_list[0]

        # Game over jika ular menabrak dirinya sendiri
        for block in snake_list[:-1]:
            if block == snake_head:
                game_close = True

        # Gambar ular
        our_snake(block_size, snake_list)
        your_score(length_of_snake - 1)

        pygame.display.update()

        # Makanan dimakan
        if x1 == foodx and y1 == foody:
            foodx = round(random.randrange(0, width - block_size) / block_size) * block_size
            foody = round(random.randrange(0, height - block_size) / block_size) * block_size
            length_of_snake += 1

        clock.tick(snake_speed)

    pygame.quit()
    quit()


# Jalankan game
gameLoop()