问题描述
我上传了完整的代码，我确定问题出在“ def score_display”周围，我所做的与作者完全相同。但不幸的是我得到了错误。在开始时，代码可以完美运行，当我摔倒并且应该执行我错误的功能时，游戏会中断并给出此错误。谢谢（对语法感到抱歉）
import pygame
import sys,random
def floor_repetition():
win.blit(floor_surface,(floor_x_pos,588))
win.blit(floor_surface,(floor_x_pos + 576,588))
def create_pipe():
random_pipe_pos = random.choice(pipe_height)
bottom_pipe = pipe_surface.get_rect(midtop = (700,random_pipe_pos))
top_pipe = pipe_surface.get_rect(midbottom = (700,random_pipe_pos - 170))
return bottom_pipe,top_pipe
def move_pipes(pipes):
for pipe in pipes:
pipe.centerx -= 5
return pipes
def draw_pipes(pipes):
for pipe in pipes:
if pipe.bottom >= 588:
win.blit(pipe_surface,pipe)
else:
flip_pipe = pygame.transform.flip(pipe_surface,False,True)
win.blit(flip_pipe,pipe)
def check_collision(pipes):
for pipe in pipes:
if bird_rect.colliderect(pipe):
death_sound.play()
return False
if bird_rect.top <= -100 or bird_rect.bottom >= 588:
return False
return True
def rotate_bird(bird1):
new_bird = pygame.transform.rotozoom(bird1,-bird_movement * 3,1)
return new_bird
def bird_animation():
new_bird = bird_frames[bird_index]
new_bird_rect = new_bird.get_rect(center = (100,bird_rect.centery))
return new_bird,new_bird_rect
def score_display(game_state):
if game_state == 'main_game':
score_surface = game_font.render(str(int(score)),True,(255,255,255))
score_rect = score_surface.get_rect(center = (288,50))
win.blit(score_surface,score_rect)
if game_state == 'game over':
score_surface = game_font.render(f'score: {(int(score))}',255))
score_rect = score_surface.get_rect(center = (288,score_rect)
high_score_surface = game_font.render(f'High score: {(int(high_score))}',255))
high_score_rect = high_score_surface.get_rect(center = (288,250))
win.blit(high_score_surface,high_score_rect)
def update_score(score,high_score):
if score > high_score:
high_score = score
return high_score
pygame.mixer.pre_init(frequency = 44100,size = 16,channels = 1,buffer = 512)
pygame.init()
#pygame.set_caption('Flappy bird')
win = pygame.display.set_mode((576,700))
clock = pygame.time.Clock()
game_font = pygame.font.Font('04B_19.TTF',40)
# Game valiables
gravity = 0.25
bird_movement = 0
game_active = True
score = 0
high_score = 0
bg = pygame.image.load('assets/background-day.png').convert()
bg = pygame.transform.scale2x(bg)
floor_surface = pygame.image.load('assets/base.png')
floor_surface = pygame.transform.scale2x(floor_surface)
floor_x_pos = 0
bird_downflap = pygame.transform.scale2x(pygame.image.load('assets/bluebird-downflap.png').convert_alpha())
bird_midflap = pygame.transform.scale2x(pygame.image.load('assets/bluebird-midflap.png').convert_alpha())
bird_upflap = pygame.transform.scale2x(pygame.image.load('assets/bluebird-upflap.png').convert_alpha())
bird_frames = [bird_downflap,bird_midflap,bird_upflap]
bird_index = 2
bird = bird_frames[bird_index]
bird_rect = bird.get_rect(center = (100,350))
BIRDFLAP = pygame.USEREVENT + 1
pygame.time.set_timer(BIRDFLAP,200)
# bird
#bird = pygame.image.load('assets/bluebird-midflap.png').convert_alpha()
#bird = pygame.transform.scale2x(bird)
#bird_rect = bird.get_rect(center = (100,350))
pipe_surface = pygame.image.load('assets/pipe-green.png')
pipe_surface = pygame.transform.scale2x(pipe_surface)
pipe_list = []
SPAWNPIPE = pygame.USEREVENT
pygame.time.set_timer(SPAWNPIPE,1200)
pipe_height = [200,300,400]
game_over_surface = pygame.transform.scale2x(pygame.image.load('assets/message.png').convert_alpha())
game_over_rect = game_over_surface.get_rect(center = (288,350))
flap_sound = pygame.mixer.sound('sound/sfx_wing.wav')
death_sound = pygame.mixer.sound('sound/sfx_hit.wav')
score_sound = pygame.mixer.sound('sound/sfx_point.wav')
score_sound_countdown = 100
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE and game_active:
bird_movement = 0
bird_movement -= 6
flap_sound.play()
if event.key == pygame.K_SPACE and game_active == False:
game_active = True
pipe_list.clear()
bird_rect.center = (100,350)
bird_movement = 0
score = 0
if event.type == SPAWNPIPE:
pipe_list.extend(create_pipe())
if event.type == BIRDFLAP:
if bird_index < 2:
bird_index += 1
else:
bird_index = 0
bird,bird_rect = bird_animation()
win.blit(bg,(0,0))
if game_active:
# bird
bird_movement += gravity
rotated_bird = rotate_bird(bird)
bird_rect.centery += bird_movement
win.blit(bird,bird_rect)
game_active = check_collision(pipe_list)
# pipes
pipe_list = move_pipes(pipe_list)
draw_pipes(pipe_list)
score += 0.01
score_display('main game')
score_sound_countdown -= 1
if score_sound_countdown <= 0:
score_sound.play()
score_sound_countdown = 100
else:
win.blit(game_over_surface,game_over_rect)
high_score = update_score(score,high_score)
score_display('game over')
# floor
floor_x_pos -= 1
floor_repetition()
if floor_x_pos <= -576:
floor_x_pos = 0
win.blit(floor_surface,588))
pygame.display.update()
clock.tick(120)
这是错误本身
Flappy bird.py:173: DeprecationWarning: an integer is required (got type float). Implicit conversion to integers using __int__ is deprecated,and may be removed in a future version of Python.
bird_rect.centery += bird_movement
Traceback (most recent call last):
File "Flappy bird.py",line 190,in <module>
score_display('game over')
File "Flappy bird.py",line 65,in score_display
high_score_surface = game_font.render(f'High score: {(int(high_score))}',255))
TypeError: int() argument must be a string,a bytes-like object or a number,not 'nonetype'
解决方法
问题出在update_score中，当score <= high_score时您返回None。只是使该return语句显得呆板。
def update_score(score,high_score):
if score > high_score:
high_score = score
return high_score