我试图制作一个暂停功能我已经分别测试了这个暂停功能，它似乎工作得很好，虽然它目前没有什么可以做，但它仍然显示。但是，当我在游戏中实现它时，它不起作用？
我在while循环和while循环之前将它放在不同的地方。当它在while循环之前时，暂停功能将首先显示然后搞乱游戏。当它被放入while循环时，它甚至根本不会显示出来的情况下＆＃39; p＆＃39;被压了。
问题是什么？
import pygame
import os
import sys
pygame.init()
pygame.font.init()
WHITE = (255, 255, 255)
BLACK = (0, 0, 0, 0)
clock = pygame.time.Clock()
FPS = 60
DS = pygame.display.set_mode((900, 600))
sprite_image = pygame.Surface((50, 50), pygame.SRCALPHA)
pygame.draw.circle(sprite_image, (90, 100, 200), [25, 25], 25)
W, H = DS.get_size()
pause = True
st = pygame.font.SysFont("comicsans ms", 20)
lf = pygame.font.SysFont("comicsans ms", 120)
def paused():
DS.fill((50, 50, 70)) # Fill the display surface.
text_surf, text_rect = text_objects('Paused', (W/2, H/2), lf)
DS.blit(text_surf, text_rect)
# The buttons are dictionaries now.
resume_button = button('Resume', 150, 450, 100, 50, WHITE, WHITE)
quit_button = button('Quit', 350, 450, 100, 50, WHITE, WHITE)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit() # Should be pygame.quit not QUIT.
sys.exit() # Better use sys.exit() instead of quit().
elif event.type == pygame.MOUSEMOTION:
# Switch the active surface of the buttons
# if we're hovering over them.
for btn in (resume_button, quit_button):
if btn['rect'].collidepoint(event.pos):
btn['active_surface'] = btn['surface_hover']
else:
btn['active_surface'] = btn['surface']
elif event.type == pygame.MOUSEBUTTONDOWN:
# Check if the buttons were clicked.
if resume_button['rect'].collidepoint(event.pos):
return # Return to the main loop.
elif quit_button['rect'].collidepoint(event.pos):
pygame.quit()
sys.exit()
def text_objects(text, pos, font):
text_surface = font.render(text, True, BLACK)
return text_surface, text_surface.get_rect(center=pos)
def display_message(text):
lf = pygame.font.SysFont("comicsans", 120)
TextSurf, TextRect = text_objects(text, lf)
TextRect.center = ((W / 2)), ((H / 2))
DS.blit(TextSurf, TextRect)
pygame.display.update()
def button(msg, x, y, w, h, inactive_color, active_color):
"""Create a button dictionary with the images and a rect."""
text_surf, text_rect = text_objects(msg, (w/2, h/2), st)
# Create the normal and hover surfaces and blit the text onto them.
surface = pygame.Surface((w, h))
surface.fill(inactive_color)
surface.blit(text_surf, text_rect)
surface_hover = pygame.Surface((w, h))
surface_hover.fill(active_color)
surface_hover.blit(text_surf, text_rect)
return {'active_surface': surface,
'surface': surface,
'surface_hover': surface_hover,
'rect': pygame.Rect(x, y, w, h),
}
class Platform(pygame.sprite.Sprite):
def __init__(self, x, y, w, h):
super(Platform, self).__init__()
self.image = pygame.Surface((w, h))
self.image.fill((90, 90, 120))
self.rect = self.image.get_rect(topleft=(x, y))
class Sprite(pygame.sprite.Sprite):
def __init__(self, pos):
super(Sprite, self).__init__()
self.image = sprite_image
self.rect = self.image.get_rect()
self.rect.center = pos
self._vx = 0
self._vy = 0
self._spritex = pos[0]
self._spritey = pos[1]
self.level = None
self._gravity = .9
def update(self):
# Adjust the x-position.
self._spritex += self._vx
self.rect.centerx = self._spritex # And update the rect.
block_hit_list = pygame.sprite.spritecollide(self, self.level, False)
for block in block_hit_list:
if self._vx > 0:
self.rect.right = block.rect.left
elif self._vx < 0:
# Otherwise if we are moving left, do the opposite.
self.rect.left = block.rect.right
self._spritex = self.rect.centerx # Update the position.
# Adjust the y-position.
self._vy += self._gravity # Accelerate downwards.
self._spritey += self._vy
self.rect.centery = self._spritey # And update the rect.
# Check and see if we hit anything
if block_hit_list == pygame.sprite.spritecollide(self, self.level, False):
for block in block_hit_list:
# Reset our position based on the top/bottom of the object.
if self._vy > 0:
self.rect.bottom = block.rect.top
elif self._vy < 0:
self.rect.top = block.rect.bottom
self._spritey = self.rect.centery # Update the position.
# Stop our vertical movement
self._vy = 0
def jump(self):
self.rect.y += 3
platform_hit_list = pygame.sprite.spritecollide(self, self.level, False)
self.rect.y -= 3
# If it is ok to jump, set our speed upwards
if len(platform_hit_list) > 0 or self.rect.bottom >= H:
self._vy = -17
def go_left(self):
# Called when the user hits the left arrow.
self._vx = -3
def go_right(self):
#Called when the user hits the right arrow.
self._vx = 3
def stop(self):
# Called when the user lets off the keyboard.
self._vx = 0
sprite = Sprite([60, 60])
active_sprite_list = pygame.sprite.Group(sprite)
sprite.level = pygame.sprite.Group()
# A list with rect style tuples (x, y, width, height).
rects = [
(20, 20, 150, 20), (120, 200, 200, 20), (400, 440, 300, 20),
(40, 100, 200, 20), (320, 300, 150, 20), (520, 550, 300, 20),
(600, 100, 150, 20), (300, 200, 200, 20), (290, 440, 300, 20),
(40, 100, 200, 20), (320, 300, 150, 20), (95, 550, 300, 20),
(250,300,150,20), (350,100,150,20), (450,50,270,20), (700,185,70,20),
(650,350,350,20)
]
# You can unpack the rect tuples directly in the head of the for loop.
for x, y, width, height in rects:
# Create a new platform instance and pass the coords, width and height.
platform = Platform(x, y, width, height)
# Add the new platform instance to the sprite groups.
sprite.level.add(platform)
active_sprite_list.add(platform)
active_sprite_list.add(sprite.level)
done = False
while not done:
def paused():
DS.fill((50, 50, 70)) # Fill the display surface.
text_surf, text_rect = text_objects('Paused', (W / 2, H / 2), lf)
DS.blit(text_surf, text_rect)
# The buttons are dictionaries now.
resume_button = button('Resume', 150, 450, 100, 50, WHITE, WHITE)
quit_button = button('Quit', 350, 450, 100, 50, WHITE, WHITE)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit() # Should be pygame.quit not QUIT.
sys.exit() # Better use sys.exit() instead of quit().
elif event.type == pygame.MOUSEMOTION:
# Switch the active surface of the buttons
# if we're hovering over them.
for btn in (resume_button, quit_button):
if btn['rect'].collidepoint(event.pos):
btn['active_surface'] = btn['surface_hover']
else:
btn['active_surface'] = btn['surface']
elif event.type == pygame.MOUSEBUTTONDOWN:
# Check if the buttons were clicked.
if resume_button['rect'].collidepoint(event.pos):
return # Return to the main loop.
elif quit_button['rect'].collidepoint(event.pos):
pygame.quit()
sys.exit()
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_p:
pause = True
paused()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
sprite.go_left()
pause = False
if event.key == pygame.K_RIGHT:
sprite.go_right()
pause = False
if event.key == pygame.K_UP:
sprite.jump()
pause = False
elif event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT and sprite._vx < 0:
sprite.stop()
pause = False
if event.key == pygame.K_RIGHT and sprite._vx > 0:
sprite.stop()
# If the player gets near the right side, shift the world left (-x)
if sprite.rect.right > W:
sprite.rect.right = W
# If the player gets near the left side, shift the world right (+x)
if sprite.rect.left < 0:
sprite.rect.left = 0
active_sprite_list.update()
DS.fill(WHITE)
# Blit the sprite's image at the sprite's rect.topleft position.
active_sprite_list.draw(DS)
pygame.display.flip()
clock.tick(FPS)
pygame.quit()
答案 0 :(得分：0)
看看这个例子。我使用字典作为按钮，包括图像，当前活动的图像和用于碰撞检测的矩形以及位置。如果用户点击恢复按钮，我只需return到主游戏循环。
import sys
import pygame
pygame.init()
WHITE = (255, 255, 255)
GRAY = pygame.Color("gray30")
BLACK = (0, 0, 0, 0)
clock = pygame.time.Clock()
FPS = 60
DS = pygame.display.set_mode((900, 600))
W, H = DS.get_size()
# Define the fonts once when the program starts.
st = pygame.font.SysFont("comicsans ms", 20)
lf = pygame.font.SysFont("comicsans ms", 120)
def paused():
DS.fill((50, 50, 70)) # Fill the display surface.
text_surf, text_rect = text_objects('Paused', (W/2, H/2), lf)
DS.blit(text_surf, text_rect)
# The buttons are dictionaries now.
resume_button = button('Resume', 150, 450, 100, 50, WHITE, GRAY)
quit_button = button('Quit', 350, 450, 100, 50, WHITE, GRAY)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit() # Should be pygame.quit not QUIT.
sys.exit() # Better use sys.exit() instead of quit().
elif event.type == pygame.MOUSEMOTION:
# Switch the active surface of the buttons
# if we're hovering over them.
for btn in (resume_button, quit_button):
if btn['rect'].collidepoint(event.pos):
btn['active_surface'] = btn['surface_hover']
else:
btn['active_surface'] = btn['surface']
elif event.type == pygame.MOUSEBUTTONDOWN:
# Check if the buttons were clicked.
if resume_button['rect'].collidepoint(event.pos):
return # Return to the main loop.
elif quit_button['rect'].collidepoint(event.pos):
pygame.quit()
sys.exit()
# Draw the active surfaces at the rects of the buttons.
DS.blit(resume_button['active_surface'], resume_button['rect'])
DS.blit(quit_button['active_surface'], quit_button['rect'])
pygame.display.update()
clock.tick(15)
def text_objects(text, pos, font):
text_surface = font.render(text, True, BLACK)
return text_surface, text_surface.get_rect(center=pos)
def button(msg, x, y, w, h, inactive_color, active_color):
"""Create a button dictionary with the images and a rect."""
text_surf, text_rect = text_objects(msg, (w/2, h/2), st)
# Create the normal and hover surfaces and blit the text onto them.
surface = pygame.Surface((w, h))
surface.fill(inactive_color)
surface.blit(text_surf, text_rect)
surface_hover = pygame.Surface((w, h))
surface_hover.fill(active_color)
surface_hover.blit(text_surf, text_rect)
return {'active_surface': surface,
'surface': surface,
'surface_hover': surface_hover,
'rect': pygame.Rect(x, y, w, h),
}
done = False
while not done:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_p:
paused()
DS.fill((50, 50, 50))
pygame.draw.circle(DS, (0, 90, 190), (100, 100), 50)
pygame.display.flip()
clock.tick(FPS)
pygame.quit()