# SNAKE
##### 10 - Game over ####
import pygame, random
from pygame.locals import *
# Helper functions
def on_grid_random():
x = random.randint(0,59)
y = random.randint(0,59)
return (x * 10, y * 10)
def collision(c1, c2):
return (c1[0] == c2[0]) and (c1[1] == c2[1])
# Macro definition for snake movement.
UP = 0
RIGHT = 1
DOWN = 2
LEFT = 3
pygame.init()
screen = pygame.display.set_mode((600, 600))
pygame.display.set_caption('Snake')
snake = [(200, 200), (210, 200), (220,200)]
snake_skin = pygame.Surface((10,10))
snake_skin.fill((255,255,255)) #White
apple_pos = on_grid_random()
apple = pygame.Surface((10,10))
apple.fill((255,0,0))
my_direction = LEFT
clock = pygame.time.Clock()
font = pygame.font.Font('freesansbold.ttf', 18)
score = 0
game_over = False
while not game_over:
clock.tick(10)
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
exit()
if event.type == KEYDOWN:
if event.key == K_UP and my_direction != DOWN:
my_direction = UP
if event.key == K_DOWN and my_direction != UP:
my_direction = DOWN
if event.key == K_LEFT and my_direction != RIGHT:
my_direction = LEFT
if event.key == K_RIGHT and my_direction != LEFT:
my_direction = RIGHT
if collision(snake[0], apple_pos):
apple_pos = on_grid_random()
snake.append((0,0))
score = score + 1
# Check if snake collided with boundaries
if snake[0][0] == 600 or snake[0][1] == 600 or snake[0][0] < 0 or snake[0][1] < 0:
game_over = True
break
# Check if the snake has hit itself
for i in range(1, len(snake) - 1):
if snake[0][0] == snake[i][0] and snake[0][1] == snake[i][1]:
game_over = True
break
if game_over:
break
for i in range(len(snake) - 1, 0, -1):
snake[i] = (snake[i-1][0], snake[i-1][1])
# Actually make the snake move.
if my_direction == UP:
snake[0] = (snake[0][0], snake[0][1] - 10)
if my_direction == DOWN:
snake[0] = (snake[0][0], snake[0][1] + 10)
if my_direction == RIGHT:
snake[0] = (snake[0][0] + 10, snake[0][1])
if my_direction == LEFT:
snake[0] = (snake[0][0] - 10, snake[0][1])
screen.fill((0,0,0))
screen.blit(apple, apple_pos)
for x in range(0, 600, 10): # Draw vertical lines
pygame.draw.line(screen, (40, 40, 40), (x, 0), (x, 600))
for y in range(0, 600, 10): # Draw vertical lines
pygame.draw.line(screen, (40, 40, 40), (0, y), (600, y))
score_font = font.render('Score: %s' % (score), True, (255, 255, 255))
score_rect = score_font.get_rect()
score_rect.topleft = (600 - 120, 10)
screen.blit(score_font, score_rect)
for pos in snake:
screen.blit(snake_skin,pos)
pygame.display.update()
while True:
game_over_font = pygame.font.Font('freesansbold.ttf', 75)
game_over_screen = game_over_font.render('Game Over', True, (255, 255, 255))
game_over_rect = game_over_screen.get_rect()
game_over_rect.midtop = (600 / 2, 10)
screen.blit(game_over_screen, game_over_rect)
pygame.display.update()
pygame.time.wait(500)
while True:
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
exit()
