class SnakeGame():
def __init__(self):
self.score = 0
self.snake = Snake(SCREEN_SIZE[0] // 2, SCREEN_SIZE[1] // 2)
self.apple = Apple()
self.apple.placeApple(self.snake.getBody(), SCREEN_SIZE[0],
SCREEN_SIZE[1])
self.scorePosX = SCREEN_SIZE[0] // 2 - 10
self.eatingSound = pygame.mixer.Sound('Eating.ogg')
def reset(self):
self.score = 0
self.snake = Snake(SCREEN_SIZE[0] // 2, SCREEN_SIZE[1] // 2)
self.apple.placeApple(self.snake.getBody(), SCREEN_SIZE[0],
SCREEN_SIZE[1])
def isSnakeCollision(self):
body = self.snake.getBody()
head = body[0]
# check left and righside screen
if ((head[0] < 0 or head[0] >
(SCREEN_SIZE[0] - self.snake.getSize()))):
return True
# check top and bottom of screen
if ((head[1] < 0 or head[1] >
(SCREEN_SIZE[1] - self.snake.getSize()))):
return True
# check if snake hit self
if (len(body) > 3):
for i in range(3, len(body)):
if isSquareHit(head, body[i], self.snake.getSize()):
return True
return False
def isAppleCollision(self):
head = self.snake.getBody()[0]
return isSquareHit((self.apple.getX(), self.apple.getY()), head,
self.snake.getSize())
def drawScore(self, surface):
scoreFont = pygame.font.Font(None, 40)
scoreSurface = scoreFont.render(str(self.score), True, (255, 255, 255))
surface.blit(scoreSurface, (self.scorePosX, 0))
def drawSplashScreen(self, surface, text, color):
""" Surface, String --> void
Draws text centered at the center of the given Surface.
"""
splashFont = pygame.font.Font(None, 100)
splashSurface = splashFont.render(text, True, color)
textXPos = (SCREEN_SIZE[0] // 2) - (splashFont.size(text)[0] // 2)
textYpos = (SCREEN_SIZE[1] // 2) - (splashFont.size(text)[1] // 2)
surface.blit(splashSurface, (textXPos, textYpos))
def handleQuit(self, event):
if event.type == KEYDOWN:
if event.key == K_ESCAPE:
pygame.quit()
exit()
elif event.type == QUIT:
pygame.quit()
exit()
def play(self):
self.drawSplashScreen(SCREEN, "SNAKE", (255, 255, 255))
pygame.display.flip()
while True: # starting splashcreen
event = pygame.event.wait()
self.handleQuit(event)
if event.type == KEYDOWN:
break
while True: # main loop for running the game
pygame.event.pump()
SCREEN.blit(BG, (0, 0)) # Makes clean background
self.apple.drawApple(SCREEN, self.snake.getSize())
self.snake.drawSnake(SCREEN)
self.drawScore(SCREEN)
pygame.display.flip()
# Handle Key events
didChangeDir = False
for event in pygame.event.get():
self.handleQuit(event)
if event.type == KEYDOWN and not didChangeDir:
didChangeDir = self.snake.changeDir(event)
# Move the snake
self.snake.moveSnake()
# Handle Collisions
if self.isSnakeCollision():
self.snake.drawSnake(
SCREEN) # update the snake's position to when it crashed
self.drawSplashScreen(SCREEN, "GAME OVER", (169, 169, 169))
pygame.display.flip()
while True: # game over screen
event = pygame.event.wait()
self.handleQuit(event)
if event.type == KEYDOWN:
self.reset()
break
if self.isAppleCollision():
self.eatingSound.play()
self.apple.placeApple(self.snake.getBody(), SCREEN_SIZE[0],
SCREEN_SIZE[1])
self.snake.addSegment()
self.score += 1
# Game Speed
pygame.time.delay(80)
