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发表于 2019-12-30 19:52:53
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缩进错误,试试这样:
- import pygame
- class MyPlane(pygame.sprite.Sprite): # inherit sprite from pygame
- def __init__(self, bg_size):
- pygame.sprite.Sprite.__init__(self)
- self.image = pygame.image.load('Images/me1.png').convert_alpha()
- self.rect = self.image.get_rect()
- self.width, self.height = bg_size[0], bg_size[1]
- self.rect.left, self.rect.top = (
- self.width - self.rect.width) // 2, self.height - self.rect.height - 60 # -60: we need this space to show something
- self.speed = 10
- # up
- def MoveUp(self):
- if self.rect.top > 0: # top is 0, bottom is 'height'
- self.rect.top = self.rect.top - self.speed # if not, move up
- else:
- self.rect.top = 0 # can only be 0, not smaller than 0
- # down
- def MoveDown(self):
- if self.rect.bottom < self.height - 60: # top is 0, bottom is 'height'
- self.rect.bottom = self.rect.bottom + self.speed # if not, move down
- else:
- self.rect.bottom = self.height - 60 # -60: we need this space to show something
- # left
- def MoveLeft(self):
- if self.rect.left > 0: # top is 0, bottom is 'height'
- self.rect.left = self.rect.left - self.speed # if not, move left
- else:
- self.rect.left = 0
- # right
- def MoveRight(self):
- if self.rect.right < self.width: # top is 0, bottom is 'height'
- self.rect.right = self.rect.right + self.speed # if not, move right
- else:
- self.rect.left = self.width
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