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有2个错误。Player在每一帧中重新创建对象。Game在 的构造函数中而不是在方法中创建播放器update:
class Game:
def __init__(self):
# [...]
self.croc = Player() # <--- ADD
self.all_sprites = pygame.sprite.Group() # <--- ADD
self.all_sprites.add(self.croc) # <--- ADD
def update(self):
# self.croc = Player() # <--- DELETE
# self.all_sprites = pygame.sprite.Group() # <--- DELETE
# self.all_sprites.add(self.croc) # <--- DELETE
self.all_sprites.update()
事件循环中有一个类型。.key您必须从属性而不是属性中获取密钥.type:
if event.type == pygame.K_UP:
if event.key == pygame.K_UP:
完整代码:
import pygame
class Player(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.Surface((50, 50))
self.image.fill((255, 255, 0))
self.rect = self.image.get_rect()
self.rect.x = 0
self.rect.y = (700 / 2)
self.movex = 0
self.movey = 0
def control(self, x, y):
self.movex += x
self.movey += y
def update(self):
self.rect.x += self.movex
self.rect.y += self.movey
def animate(self):
pass
class Obstacle(pygame.sprite.Sprite):
def __init__(self, x, y, width, height):
pygame.sprite.Sprite.__init__(self)
self.x = x
self.y = y
self.width = width
self.height = height
WIDTH = 700
HEIGHT = 700
class Game:
def __init__(self):
pygame.init()
self.screen = pygame.display.set_mode((WIDTH, HEIGHT))
self.clock = pygame.time.Clock()
self.score = 0
self.running = True
self.croc = Player()
self.all_sprites = pygame.sprite.Group()
self.all_sprites.add(self.croc)
def new(self):
pass
def events(self):
self.game_on = True
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.game_on = False
self.running = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
self.croc.control(0, -20)
def update(self):
self.all_sprites.update()
def draw(self):
self.screen.fill((0, 0, 0))
self.all_sprites.draw(self.screen)
pygame.display.flip()
game = Game()
while game.running:
game.clock.tick(60)
game.new()
game.events()
game.update()
game.draw()
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