def shiftSnake():
#shifting each snake element to the back by one
for i in range(len(snake) - 1, 0, -1):
snake[i].x = snake[i - 1].x
snake[i].y = snake[i - 1].y
# turning off the last pixel of snake
pixel(int(snake[len(snake) - 1].x), int(snake[len(snake) - 1].y), "off")
def gameOverAnimation():
for i in range(0, 5):
for x in range(0, config.NUM_ROWS):
for y in range(0, config.NUM_COLLS):
pixel(x, y, "red")
show()
time.sleep(0.1)
for x in range(0, config.NUM_ROWS):
for y in range(0, config.NUM_COLLS):
pixel(x, y, "off")
show()
time.sleep(0.1)
def checkFood():
#if snake head position is equal to food position, insert food position into snake list
if snake[0].x == food.x and snake[0].y == food.y:
snake.insert(len(snake) - 2, Cords(int(food.x), int(food.y)))
# print("found food, current snake length:" + str(len(snake)-1))
#turn off old food
pixel(food.x, food.y, "off")
#find new position for food that is not in snake
while True:
inSnake = False
food.x = random.randint(0, config.NUM_COLLS - 1)
food.y = random.randint(0, config.NUM_ROWS - 1)
for obj in snake:
if obj.x == food.x and obj.y == food.y:
inSnake = True
if not inSnake:
break
pixel(int(food.x), int(food.y), "green")
show()
def snakepixelOn():
#turn on each segment of the snake except for the last one (old tail position)
for i in range(0, len(snake) - 1):
pixel(int(snake[i].x), int(snake[i].y), SNAKECOLOR)
show()
def shiftSnake():
#shifting each snake element to the back by one
for i in range(len(snake) - 1, 0, -1):
snake[i].x = snake[i - 1].x
snake[i].y = snake[i - 1].y
# turning off the last pixel of snake
pixel(int(snake[len(snake) - 1].x), int(snake[len(snake) - 1].y), "off")
#initialize food
food = Cords
food.x = random.randint(0, config.NUM_COLLS - 1)
food.y = random.randint(0, config.NUM_ROWS - 1)
pixel(int(food.x), int(food.y), "green")
show()
#initialize snake
snake = []
snake.append(Cords(config.NUM_COLLS / 2, config.NUM_ROWS / 2))
snake.append(Cords(config.NUM_COLLS / 2 - 1, config.NUM_ROWS / 2)) #aus pixel
#main
while not gameover:
f = open("direction.txt", "r")
direction = str(f.read(1))
f.close()
snakepixelOn()