I have created a snake game in python IDLE, however there is an attribute error on line 24 and I'm not quite sure what that means. Does anyone know? The game was starting to work as it showed my rectangle and the screen however it is just a black window. Not sure wherer i have gone wrong.... This is for my a - level coursework.
from typing import List, Tuple
import pygame
FPS = 10
WINDOW_WIDTH = 900 #how big the window is going to be
WINDOW_HEIGHT = 900
class Snake(object):
WIDTH = 40 #how big ther snakes body starts off
HEIGHT = 40
def __init__(self):
self.pos_a = 1
self.pos_b = 1 #position it starts in
self.vel_a = 0
self.vel_b =0
def update(self, events: List[pygame.event.Event]) -> None:
self.pos_a += self.vel_a
self.pos_a += self.vel_b
self.vel_a, self.vel_b = self.handle_mov(events)
def draw(self,screen: pygame.Surface):
pygame.draw.rect( #what colour the snake is
screen,
pygame.color.Color("purple"),
(
self.pos_a,
self.pos_b,
self.WIDTH, #spelt it colour
self.HEIGHT,
), 0
)
def handle_mov(self, events: List[pygame.event.Event]) -> Tuple[int, int]:
travelling = (self.vel_a, self.vel_b)
for ev in events:
if ev.type == pygame.KEYDOWN:
if ev.key == pygame.K_UP:
travelling = (0, -1)
elif ev.key == pygame.K_DOWN:
travelling = (0, 1)
elif ev.key == pygame.K_LEFT:
travelling = (-1, 0)
elif ev.key == pygame.K_RIGHT:
travelling = (1, 0)
return travelling
def run() -> None:
pygame.init()
screen = pygame.display.set_mode(
(WINDOW_WIDTH, WINDOW_HEIGHT), #syntax error on height
pygame.HWSURFACE
)
snakegame_loop(screen)
def snakegame_loop(screen: pygame.Surface) -> None:
snake = Snake()
clock = pygame.time.Clock()
while True:
events = pygame.event.get()
handle_quit(events)
screen.fill(pygame.color.Color("pink"))
snake.update(events)
snake.draw(screen) #the screen color
pygame.display.update() #updating all the adjustments added
clock.tick(FPS)
def handle_quit(events: List[pygame.event.Event]) -> None:
for ev in events:
if ev.type == pygame.QUIT:
exit(0)
if ev.type == pygame.KEYDOWN and ev.key == pygame.K_ESCAPE:
exit(0)
run()
