我一直在到处搜索，但是没有找到答案。问题是如何让玩家用枪射击子弹（bullet-image.jpg），该子弹会一直走到窗口宽度的尽头或击中敌人。
我尝试过这种方法-How to create bullets in pygame?，但是每当我按下分配用于发射子弹的键时，它都不会发射它们。我也尝试过类似此处的其他方法-https://www.youtube.com/watch?v=-5GNbL33hz0，但没有用。代码在下面给出
玩家类
class thePlayer(pygame.sprite.Sprite):
heroWalkRight = [pygame.image.load('HeroWalkRight/PenRunR0.png'), pygame.image.load('HeroWalkRight/PenRunR1.png'),
pygame.image.load('HeroWalkRight/PenRunR2.png'), pygame.image.load('HeroWalkRight/PenRunR3.png'),
pygame.image.load('HeroWalkRight/PenRunR4.png'), pygame.image.load('HeroWalkRight/PenRunR5.png'),
pygame.image.load('HeroWalkRight/PenRunR6.png'), pygame.image.load('HeroWalkRight/PenRunR7.png'),
pygame.image.load('HeroWalkRight/PenRunR8.png'), pygame.image.load('HeroWalkRight/PenRunR9.png'),
pygame.image.load('HeroWalkRight/PenRunR10.png'), pygame.image.load('HeroWalkRight/PenRunR11.png'),
pygame.image.load('HeroWalkRight/PenRunR12.png'), pygame.image.load('HeroWalkRight/PenRunR13.png'),
pygame.image.load('HeroWalkRight/PenRunR14.png'), pygame.image.load('HeroWalkRight/PenRunR15.png')]
heroWalkLeft = [pygame.image.load('HeroWalkLeft/PenRunL0.png'), pygame.image.load('HeroWalkLeft/PenRunL1.png'),
pygame.image.load('HeroWalkLeft/PenRunL2.png'), pygame.image.load('HeroWalkLeft/PenRunL3.png'),
pygame.image.load('HeroWalkLeft/PenRunL4.png'), pygame.image.load('HeroWalkLeft/PenRunL5.png'),
pygame.image.load('HeroWalkLeft/PenRunL6.png'), pygame.image.load('HeroWalkLeft/PenRunL7.png'),
pygame.image.load('HeroWalkLeft/PenRunL8.png'), pygame.image.load('HeroWalkLeft/PenRunL9.png'),
pygame.image.load('HeroWalkLeft/PenRunL10.png'), pygame.image.load('HeroWalkLeft/PenRunL11.png'),
pygame.image.load('HeroWalkLeft/PenRunL12.png'), pygame.image.load('HeroWalkLeft/PenRunL13.png'),
pygame.image.load('HeroWalkLeft/PenRunL14.png'), pygame.image.load('HeroWalkLeft/PenRunL15.png')]
heroShootR = [pygame.image.load('HeroShootR/shot0.png'), pygame.image.load('HeroShootR/shot1.png'),
pygame.image.load('HeroShootR/shot2.png'), pygame.image.load('HeroShootR/shot3.png'),
pygame.image.load('HeroShootR/shot4.png'), pygame.image.load('HeroShootR/shot5.png'),
pygame.image.load('HeroShootR/shot6.png'), pygame.image.load('HeroShootR/shot7.png')]
heroShootL = [pygame.image.load('HeroShootL/shot0.png'), pygame.image.load('HeroShootL/shot1.png'),
pygame.image.load('HeroShootL/shot2.png'), pygame.image.load('HeroShootL/shot3.png'),
pygame.image.load('HeroShootL/shot4.png'), pygame.image.load('HeroShootL/shot5.png'),
pygame.image.load('HeroShootL/shot6.png'), pygame.image.load('HeroShootL/shot7.png')]
hero_charR = pygame.image.load('HeroStandChar/PStandStillR.png')
hero_charL = pygame.image.load('HeroStandChar/PStandStillL.png')
def __init__(self, x, y, width, height):
pygame.sprite.Sprite.__init__(self)
self.x = x
self.y = y
self.width = width
self.height = height
self.velocity = 5
self.isJump = False
self.jumpCount = 10
self.left = False
self.right = False
self.shoot = False
self.walkCount = 0
self.shootCount = 0
self.standing = True
self.hitbox = (self.x + 20, self.y, 28, 60)
self.image = pygame.image.load('HeroStandChar/PStandStillR.png')
self.rect = self.image.get_rect()
def draw(self, window):
if self.walkCount + 1 >= 15:
self.walkCount = 0
if self.shootCount + 1 >= 7:
self.shootCount = 0
if not self.standing:
if self.left:
window.blit(self.heroWalkLeft[self.walkCount], (self.x, self.y))
self.walkCount += 1
elif self.right:
window.blit(self.heroWalkRight[self.walkCount], (self.x, self.y))
self.walkCount += 1
else:
if self.left:
if self.shoot:
window.blit(self.heroShootL[self.shootCount], (self.x, self.y))
self.shootCount += 1
else:
window.blit(self.hero_charL, (self.x, self.y))
elif self.right:
if self.shoot:
window.blit(self.heroShootR[self.shootCount], (self.x, self.y))
self.shootCount += 1
else:
window.blit(self.hero_charR, (self.x, self.y))
self.hitbox = (self.x + 20, self.y, 28, 60)
def shootB(self):
bullet = Bullet(self.x, self.y)
bullets.add(bullet)
allSprites.add(bullet)
敌人的班级
class theEnemy(pygame.sprite.Sprite):
enemyWalkRight = [pygame.image.load('enemy_right/1R.png'), pygame.image.load('enemy_right/2R.png'),
pygame.image.load('enemy_right/3R.png'), pygame.image.load('enemy_right/4R.png'),
pygame.image.load('enemy_right/5R.png'), pygame.image.load('enemy_right/6R.png'),
pygame.image.load('enemy_right/7R.png'), pygame.image.load('enemy_right/8R.png'),
pygame.image.load('enemy_right/9R.png'), pygame.image.load('enemy_right/10R.png'),
pygame.image.load('enemy_right/11R.png'), pygame.image.load('enemy_right/12R.png'),
pygame.image.load('enemy_right/13R.png'), pygame.image.load('enemy_right/14R.png')]
enemyWalkLeft = [pygame.image.load('enemy_left/1L.png'), pygame.image.load('enemy_left/2L.png'),
pygame.image.load('enemy_left/3L.png'), pygame.image.load('enemy_left/4L.png'),
pygame.image.load('enemy_left/5L.png'), pygame.image.load('enemy_left/6L.png'),
pygame.image.load('enemy_left/7L.png'), pygame.image.load('enemy_left/8L.png'),
pygame.image.load('enemy_left/9L.png'), pygame.image.load('enemy_left/10L.png'),
pygame.image.load('enemy_left/11L.png'), pygame.image.load('enemy_left/12L.png'),
pygame.image.load('enemy_left/13L.png'), pygame.image.load('enemy_left/14L.png')]
enemyDeath = [pygame.image.load('enemy_dead/1.png'), pygame.image.load('enemy_dead/2.png'),
pygame.image.load('enemy_dead/3.png'), pygame.image.load('enemy_dead/4.png')]
enemy_CharR = pygame.image.load('enemy_idle/EnemyLeft.png')
enemy_CharL = pygame.image.load('enemy_idle/EnemyRight.png')
def __init__(self, x, y, width, height, end):
pygame.sprite.Sprite.__init__(self)
self.x = x
self.y = y
self.width = width
self.height = height
self.end = end
self.path = [self.x, self.end]
self.walkCount = 0
self.velocity = 3
self.hitbox = (self.x + 20, self.y, 28, 60)
self.health = 5
self.visible = True
self.image = pygame.image.load('enemy_idle/EnemyLeft.png')
self.rect = self.image.get_rect()
def draw(self, window):
self.move()
if self.walkCount + 1 >= 14:
self.walkCount = 0
if self.velocity > 0:
window.blit(self.enemyWalkRight[self.walkCount], (self.x, self.y))
self.walkCount += 1
else:
window.blit(self.enemyWalkLeft[self.walkCount], (self.x, self.y))
self.walkCount += 1
self.hitbox = (self.x + 20, self.y, 28, 60)
#pygame.draw.rect(win, (0, 0, 0), self.hitbox, 2)
def move(self):
if self.velocity > 0:
if self.x + self.velocity < self.path[1]:
self.x += self.velocity
else:
self.velocity = self.velocity * -1
self.walkCount = 0
else:
if self.x - self.velocity > self.path[0]:
self.x += self.velocity
else:
self.velocity = self.velocity * -1
self.walkCount = 0
class Bullet(pygame.sprite.Sprite):
def __init__(self, x, y):
pygame.sprite.Sprite.__init__(self)
self.bullet_image = pygame.image.load('Bullet/BulletR.png')
self.rect = self.bullet_image.get_rect()
self.velocity = 10
def update(self):
self.rect.x += self.velocity
if self.rect.x > 928:
self.kill()
def redrawGameWindow():
win.blit(bg, (0, 0))
hero.draw(win)
enemy.draw(win)
pygame.display.flip()
pygame.init()
win = pygame.display.set_mode((928, 793))
pygame.display.set_caption("First Game")
bg = pygame.image.load('darkForestBG.png')
clock = pygame.time.Clock()
allSprites = pygame.sprite.Group()
enemies = pygame.sprite.Group()
# Main Loop
font = pygame.font.SysFont('comicsans', 30, True, True)
hero = thePlayer(45, 625, 40, 40)
allSprites.add(hero)
enemy = theEnemy(400, 625, 40, 40, 928)
allSprites.add(enemy)
enemies.add(enemy)
run = True
while run:
clock.tick(60)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
keys = pygame.key.get_pressed()
if keys[pygame.K_LEFT] and hero.x > hero.velocity:
hero.standing = False
hero.x -= hero.velocity
hero.left = True
hero.right = False
elif keys[pygame.K_RIGHT] and hero.x < 928 - hero.velocity - hero.width:
hero.standing = False
hero.x += hero.velocity
hero.left = False
hero.right = True
elif keys[pygame.K_r]:
hero.shoot = True
else:
hero.standing = True
hero.shoot = False
hero.walkCount = 0
if not hero.isJump:
if keys[pygame.K_SPACE]:
hero.isJump = True
hero.walkCount = 0
else:
if hero.jumpCount >= -10:
hero.y -= (hero.jumpCount * abs(hero.jumpCount)) * 0.5
hero.jumpCount -= 1
else:
hero.jumpCount = 10
hero.isJump = False
redrawGameWindow()
allSprites.draw(win)
pygame.quit()
按下按钮时，子弹必须被发射，但那永远不会发生。如前所述，项目符号不是由pygame.draw形成的圆形或矩形。...
感谢您的帮助！