在pygame中控制单发子弹,可以通过以下步骤实现:
import pygame
import sys
pygame.init()
screen_width = 800
screen_height = 600
screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption("控制单发子弹")
white = (255, 255, 255)
class Player(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.image.load("player.png")
self.rect = self.image.get_rect()
self.rect.centerx = screen_width // 2
self.rect.bottom = screen_height - 10
self.speed_x = 0
def update(self):
self.rect.x += self.speed_x
if self.rect.left < 0:
self.rect.left = 0
if self.rect.right > screen_width:
self.rect.right = screen_width
def shoot(self):
bullet = Bullet(self.rect.centerx, self.rect.top)
all_sprites.add(bullet)
bullets.add(bullet)
class Bullet(pygame.sprite.Sprite):
def __init__(self, x, y):
super().__init__()
self.image = pygame.Surface((5, 10))
self.image.fill(white)
self.rect = self.image.get_rect()
self.rect.centerx = x
self.rect.bottom = y
self.speed_y = -10
def update(self):
self.rect.y += self.speed_y
if self.rect.bottom < 0:
self.kill()
all_sprites = pygame.sprite.Group()
bullets = pygame.sprite.Group()
player = Player()
all_sprites.add(player)
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
player.shoot()
keys = pygame.key.get_pressed()
if keys[pygame.K_LEFT]:
player.speed_x = -5
elif keys[pygame.K_RIGHT]:
player.speed_x = 5
else:
player.speed_x = 0
all_sprites.update()
screen.fill((0, 0, 0))
all_sprites.draw(screen)
pygame.display.flip()
pygame.quit()
sys.exit()
这样,你就可以在pygame中控制单发子弹了。
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