Traceback (последний вызов — последний): проблема ⇐ Python

[Anonymous]

Код: Выделить всё

import pygame
import os
import random

pygame.font.init()

WIDTH = 750
HEIGHT = 600
WIN = pygame.display.set_mode((WIDTH, HEIGHT))
COOLDOWN = 30

#imageları yüklemek
# #arkaplan
BG = pygame.image.load(os.path.join('assets', 'background_space.png'))

#görev gemisi
MISSION_SHIP = pygame.image.load(os.path.join('assets', 'mission_ship.png'))

#düşman gemisi
RED_ENEMY_SHIP = pygame.image.load(os.path.join("assets", "enemy_ship_red.png"))
GREEN_ENEMY_SHIP = pygame.image.load(os.path.join("assets", "enemy_ship_green.png"))
BLUE_ENEMY_SHIP = pygame.image.load(os.path.join("assets", "enemy_ship_blue.png"))

#player lazerleri
PLAYER_LASER = pygame.image.load(os.path.join("assets", "blue_rocket.png"))

#düşman lazerleri
LASER01 = pygame.image.load(os.path.join("assets", "laser01.png"))
LASER02 = pygame.image.load(os.path.join("assets", "laser02.png"))
LASER03 = pygame.image.load(os.path.join("assets", "laser03.png"))

def collide(object1, object2):
offset_x = object2.x - object1.x
offset_y = object2.y - object1.y
return object1.mask.overlap(object2.mask, (offset_x, offset_y)) != None

class Laser():
def __init__(self, x, y, img):
self.x = x
self.y = y
self.img = img
self.mask = pygame.mask.from_surface(self.img)

def move(self, velocity):
self.y += velocity

def draw(self, window):
window.blit(self.img, (self.x, self.y))

def collision(self, object):
return collide(object, self)

class Ship():
def __init__(self, x, y, health=100):

self.x = x
self.y = y
self.health = health
self.ship_img = None
self.laser_img = None
self.lasers = []
self.cool_down_counter = 0

def cool_down(self):
if self.cool_down_counter >= COOLDOWN:
self.cool_down_counter = 0
else:
self.cool_down_counter += 1
def shoot(self):
if self.cool_down_counter == 0:
laser = Laser(self.x, self.y, self.laser_img)
self.lasers.append(laser)

def move_lasers(self, velocity, object):
self.cool_down() #ne kadar sürede bir lazer atacak
for laser in self.lasers:
laser.move(velocity)
if laser.collision(object):
object.health -= 10 #düşman lazeri görev gemisine çarptığında canının 10'da 1'ini götür
self.lasers.remove(laser) #lazer çarptıktan sonra lazeri yok et

def draw(self, window):
window.blit(self.ship_img, (self.x, self.y))
for laser in self.lasers:
laser.draw(window)

def get_width(self):
return self.ship_img.get_width()

def get_height(self):
return self.ship_img.get_height()

class PlayerShip(Ship):

def __init__(self, x, y, health=100):
super().__init__(x, y, health)
self.ship_img = MISSION_SHIP
self.lazer_img = PLAYER_LASER
self.mask = pygame.mask.from_surface(self.ship_img)

def shoot(self):
if self.cool_down_counter == 0:
laser = Laser(self.x+20, self.y, self.laser_img)
self.lasers.append(laser)

def move_lasers(self, velocity, objects):
self.cool_down()
for laser in self.lasers:
laser.move(velocity)
for object in objects:
if laser.collision(object):
objects.remove(object) #düşman gemilerine lazer çarptığında germileri yok et
self.lasers.remove(laser)

class EnemyShip(Ship):
COLOR_MAP = {
"red": [RED_ENEMY_SHIP, LASER01],
"green": [GREEN_ENEMY_SHIP, LASER02],
"blue":  [BLUE_ENEMY_SHIP, LASER03]
}

def __init__(self, x, y, color, health=100):
super().__init__(x, y, health)
self.ship_img, self.laser_img = self.COLOR_MAP[color]
self.mask = pygame.mask.from_surface(self.ship_img)

def move(self, velocity):
self.y += velocity

def shoot(self):
if self.cool_down_counter == 0:
laser = Laser(self.x+5, self.y, self.laser_img)
self.lasers.append(laser)

def main():
run = True
FPS = 60  #saniye başına hareket hızı ayarlama
enemies = []
enemy_velocity = 1
laser_velocity = 5
enemy_length = 0
level = 0

main_font = pygame.font.SysFont("Algerian", 30)

player_velocity = 5  #gemilerin hızı

clock = pygame.time.Clock()

player = PlayerShip(350, 490)

def draws():
WIN.blit(BG, (0, 0))
player.draw(WIN)
level_label = main_font.render("LEVEL: {}".format(level), 1, (255, 255, 255))
WIN.blit(level_label, (600, 10))

for enemy in enemies:
enemy.draw(WIN)

pygame.display.update()  #arkaplan resmini günceller

while run:
clock.tick(FPS)
draws()

if len(enemies) == 0:
enemy_velocity += 1
laser_velocity += 1
enemy_length += 5
level += 1
global COOLDOWN
COOLDOWN -= 5 #her seviyede 5 frame daha hızlı roket

for i in range(enemy_length):
enemy = EnemyShip(random.randrange(1, 700), random.randrange(-1500, -100),
random.choice(["red", "blue", "green"]))

enemies.append(enemy)

for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False  #programın sonsuz döngüye girmesini engeller

keys = pygame.key.get_pressed()

#gemiyi 4 yöne hareket ettirme
if keys[pygame.K_LEFT] and player.x > 0:  #and kısmından sonrası geminin pencere dışına çıkmasını engeller
player.x -= player_velocity

if keys[pygame.K_RIGHT] and player.x < 670:
player.x += player_velocity

if keys[pygame.K_UP] and player.y > 0:
player.y -= player_velocity

if keys[pygame.K_DOWN] and player.y < 490:
player.y += player_velocity

if keys[pygame.K_SPACE]:
player.shoot()

for enemy in enemies:
enemy.move(enemy_velocity)
enemy.move_lasers(laser_velocity, player)
if random.randrange(0, 10) == 1:
enemy.shoot()

if enemy.y > HEIGHT:
enemies.remove(enemy)

player.move_lasers(-laser_velocity, enemies)

main()

Думаю, с моим кодом проблем нет, но я запускаю игру и нажимаю пробел, чтобы выстрелить, но игра внезапно закрывается и выдает следующие ошибки:
Traceback (последний вызов последний):
Файл "C:\Users\cemre\PycharmProjects\SpaceInvaders\main.py", строка 220, в
main()
Файл "C :\Users\cemre\PycharmProjects\SpaceInvaders\main.py", строка 205, в основном
player.shoot()
файле "C:\Users\cemre\PycharmProjects\SpaceInvaders\main.py" , строка 106, в Shoot
laser = Laser(self.x+20, self.y, self.laser_img)
Файл "C:\Users\cemre\PycharmProjects\SpaceInvaders\main.py", строка 43 в init
self.mask = pygame.mask.from_surface(self.img)
TypeError: аргумент 1 должен быть pygame.surface.Surface, а не None
пожалуйста, помогите мне, это мой последний проект

Подробнее здесь: https://stackoverflow.com/questions/785 ... st-problem