hello 這里是新手一名
我根據b站黑馬程式員的教程撰寫了飛機大戰，但是運行時老是有重影問題
特此奉上可能出問題的部分碼 求指教！
問題圖片
主程式：
類：
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沒看出什么問題，把代碼粘貼上來吧uj5u.com熱心網友回復：
可是可是 這已經是所有的代碼了呀uj5u.com熱心網友回復：
用復制粘貼代碼，別用圖片uj5u.com熱心網友回復：
游戲背景沒有updateuj5u.com熱心網友回復：
更新位置后沒update的錯吧uj5u.com熱心網友回復：
我在update這邊加了一個update背景 仍然有重影呢
uj5u.com熱心網友回復：
類檔案原始碼：import random
import pygame
SCREEN_RECT = pygame.Rect(0, 0, 480, 700)
FPS = 60
CREATE_ENEMY_EVENT = pygame.USEREVENT
HERO_FIRE_EVENT = pygame.USEREVENT + 1
class GameSprite(pygame.sprite.Sprite):
"""游戲精靈基類"""
def __init__(self, image_name, speed=1):
super().__init__()
self.image = pygame.image.load(image_name)
self.rect = self.image.get_rect()
self.speed = speed
def update(self):
# 默認在垂直方向移動
self.rect.y += self.speed
class Background(GameSprite):
"""游戲背景"""
def __init__(self, is_alt=False):
image_name = "./images/background.png"
super().__init__(image_name)
if is_alt:
self.rect.y = -self.rect.height
class Enemy(GameSprite):
def __init__(self):
super().__init__("./images/enemy1.png")
self.speed = random.randint(1, 3)
self.rect.bottom = 0
max_x = SCREEN_RECT.width - self.rect.width
self.rect.x = random.randint(0, max_x)
def update(self):
super().update()
if self.rect.y > SCREEN_RECT.height:
self.kill()
def __del__(self):
print("敵機掛了")
class Hero(GameSprite):
def __init__(self):
super().__init__("./images/me1.png", 0)
self.rect.centerx = SCREEN_RECT.centerx
self.rect.bottom = SCREEN_RECT.bottom - 120
self.bullets = pygame.sprite.Group()
def update(self):
self.rect.x += self.speed
if self.rect.left < 0:
self.rect.left = 0
if self.rect.right > SCREEN_RECT.right:
self.rect.right = SCREEN_RECT.right
def fire(self):
for i in (0,1,2):
bullet = Bullet()
bullet.rect.bottom = self.rect.y - i*20
bullet.rect.centerx = self.rect.centerx
self.bullets.add(bullet)
class Bullet(GameSprite):
def __init__(self):
super().__init__("./images/bullet1.png", -2)
def update(self):
super().update()
if self.rect.bottom < 0:
self.kill()
def __del__(self):
print("子彈被銷毀")
主函式：
import pygame
from pygame.sprite import Group
from class_gamesprite import *
class PlaneGame(object):
def __init__(self):
print("游戲初始化")
self.screen = pygame.display.set_mode(SCREEN_RECT.size)
self.clock = pygame.time.Clock()
self.__create_sprites()
pygame.time.set_timer(CREATE_ENEMY_EVENT, 1000)
pygame.time.set_timer(HERO_FIRE_EVENT, 500)
def __create_sprites(self):
bg1 = Background()
bg2 = Background(True)
self.bg_group = pygame.sprite.Group(bg1, bg2)
self.enemy_group = pygame.sprite.Group() # 一開始沒有敵機所以里面不需要加物件
self.hero = Hero()
self.hero_group = pygame.sprite.Group(self.hero)
def start_game(self):
print("開始游戲")
while True:
self.clock.tick(FPS)
self.__event_handler()
self.__check_collide()
self.__update_sprites()
pygame.display.update()
def __event_handler(self):
# 事件監聽
for event in pygame.event.get():
if event.type == pygame.QUIT:
PlaneGame.__game_over()
elif event.type == CREATE_ENEMY_EVENT:
enemy = Enemy()
self.enemy_group.add(Enemy())
elif event.type == HERO_FIRE_EVENT:
self.hero.fire()
key_pressed = pygame.key.get_pressed()
if key_pressed[pygame.K_RIGHT]:
self.hero.speed = 4
elif key_pressed[pygame.K_LEFT]:
self.hero.speed = -4
else:
self.hero.speed = 0
def __check_collide(self):
"""碰撞檢測"""
pygame.sprite.groupcollide(self.enemy_group,self.hero.bullets,True,True)
list= pygame.sprite.spritecollide(self.hero,self.enemy_group,True)
if len(list)>0:
self.hero.kill()
PlaneGame.__game_over()
def __update_sprites(self):
"""更新精靈租"""
self.bg_group.update()
self.bg_group.draw(self.screen)
self.enemy_group.update()
self.enemy_group.draw(self.screen)
self.hero_group.update()
self.hero_group.draw(self.screen)
self.hero.bullets.update()
self.hero.bullets.draw(self.screen)
self.bg_group.update()
@staticmethod
def __game_over():
print("游戲結束")
pygame.quit()
exit()
if __name__ == "__main__":
game = PlaneGame()
game.start_game()
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