hacktoberfest/python/import pygame.py at 7f9bdb06a2c7e25cb49ff1c53dc9c0038f92fccd · sbmxc/hacktoberfest · GitHub

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import pygame
import time
import random

# Initialize pygame
pygame.init()

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

# Set game screen dimensions
width = 600
height = 400

# Create the game window
dis = pygame.display.set_mode((width, height))
pygame.display.set_caption('Snake Game')

# Set clock and snake block size
clock = pygame.time.Clock()
snake_block = 10
snake_speed = 15

# Fonts for displaying text
font_style = pygame.font.SysFont("bahnschrift", 25)
score_font = pygame.font.SysFont("comicsansms", 35)

# Function to display the score
def score_display(score):
    value = score_font.render("Your Score: " + str(score), True, yellow)
    dis.blit(value, [0, 0])

# Function to draw the snake
def our_snake(snake_block, snake_list):
    for x in snake_list:
        pygame.draw.rect(dis, green, [x[0], x[1], snake_block, snake_block])

# Function to display messages
def message(msg, color):
    mesg = font_style.render(msg, True, color)
    dis.blit(mesg, [width / 6, height / 3])

# Game loop
def gameLoop():
    game_over = False
    game_close = False

    # Initial snake position
    x1 = width / 2
    y1 = height / 2

    # Snake movement variables
    x1_change = 0
    y1_change = 0

    # Snake's body
    snake_list = []
    length_of_snake = 1

    # Create the food for the snake
    foodx = round(random.randrange(0, width - snake_block) / 10.0) * 10.0
    foody = round(random.randrange(0, height - snake_block) / 10.0) * 10.0

    # Main game loop
    while not game_over:

        while game_close:
            dis.fill(blue)
            message("You Lost! Press Q-Quit or C-Play Again", red)
            score_display(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()

        # Capture events for key presses
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_over = True
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    x1_change = -snake_block
                    y1_change = 0
                elif event.key == pygame.K_RIGHT:
                    x1_change = snake_block
                    y1_change = 0
                elif event.key == pygame.K_UP:
                    y1_change = -snake_block
                    x1_change = 0
                elif event.key == pygame.K_DOWN:
                    y1_change = snake_block
                    x1_change = 0

        # Ensure the snake does not go out of bounds
        if x1 >= width or x1 < 0 or y1 >= height or y1 < 0:
            game_close = True
        x1 += x1_change
        y1 += y1_change
        dis.fill(black)

        # Draw the food
        pygame.draw.rect(dis, blue, [foodx, foody, snake_block, snake_block])

        # Update snake's position
        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]

        # Check if the snake collides with itself
        for x in snake_list[:-1]:
            if x == snake_head:
                game_close = True

        our_snake(snake_block, snake_list)
        score_display(length_of_snake - 1)

        pygame.display.update()

        # If the snake eats food
        if x1 == foodx and y1 == foody:
            foodx = round(random.randrange(0, width - snake_block) / 10.0) * 10.0
            foody = round(random.randrange(0, height - snake_block) / 10.0) * 10.0
            length_of_snake += 1

        clock.tick(snake_speed)

    # Quit the game
    pygame.quit()
    quit()

# Start the game
gameLoop()