我有一个MUDBALL图像，通过将其添加到all_sprites组显示在屏幕上。应该使用TRUMP类的shoot（）方法多次触发MUDBALL，而不是仅在游戏开始时出现一次，然后不再显示。我的猜测是我需要为MUDBALL的更多实例编写代码，但不知道如何编写代码。我没有收到一个错误只是1微小的显示MUDBALL而不是多个。我有一个打印“拍摄功能”声明，打印显示正在调用shoot（）但仍然只显示1个图像。请任何帮助将不胜感激。我被鼓励包含我的代码的完整版本。
import pygame as pg
class Game:
def __init__(self):
# initialize game window, etc
pg.init()
pg.mixer.init()
self.screen = pg.display.set_mode((WIDTH, HEIGHT))
pg.display.set_caption(TITLE)
self.clock = pg.time.Clock()
self.running = True
self.font_name = pg.font.match_font(FONT_NAME)
self.load_data()
def load_data(self):
# load high score
self.dir = path.dirname(__file__)
img_dir = path.join(self.dir, 'img')
with open(path.join(self.dir, HS_FILE), 'r') as f:
try:
self.highscore = int(f.read())
except:
self.highscore = 0
# load spritesheet image
self.spritesheet = Spritesheet(path.join(img_dir, SPRITESHEET))
def new(self):
# start a new game
self.score = 0
self.all_sprites = pg.sprite.Group()
self.platforms = pg.sprite.Group()
self.player = Player(self)
#ME: TRUMP added to all sprites!!!
self.trump = TRUMP(self)
self.all_sprites.add(self.trump)
需要针对多个实例进行修改的#MUDBALL语句
self.mudball = MUDBALL(self.trump.rect.centerx,
self.trump.rect.centery)
self.all_sprites.add(self.mudball)
self.all_sprites.add(self.player)
for plat in PLATFORM_LIST:
p = Platform(*plat)
self.all_sprites.add(p)
self.platforms.add(p)
self.run()
def run(self):
# Game Loop
self.playing = True
while self.playing:
self.clock.tick(FPS)
self.events()
self.update()
self.draw()
class TRUMP(pg.sprite.Sprite):
def __init__(self, game):
pg.sprite.Sprite.__init__(self)
self.game = game
self.current_frame2 = 0
self.last_update2 = 0
self.load_images()
self.image = self.TRUMP_fingers_l
self.rect = self.image.get_rect()
self.rect.center = (WIDTH *3/4), (589)
self.rect.centerx = (WIDTH *3/4)
self.rect.centery = 589
self.rect.centerx = (WIDTH*3/4)
self.rect.centery = 589
self.pos = vec((WIDTH/2), (HEIGHT/2))
self.vel = vec(0, 0)
self.acc = vec(0, 0)
self.dir = 0
self.screen = pg.display.set_mode((WIDTH, HEIGHT))
self.clock = pg.time.Clock()
def load_images(self):
self.TRUMPhail = pg.image.load("trumpHAILING.png")
self.TRUMP_walk_cycle = [self.game.spritesheet.get_image(1, 1704, 248, 559),
self.game.spritesheet.get_image(1, 565, 312, 561),
self.game.spritesheet.get_image(1, 1, 312, 562)]
for frame in self.TRUMP_walk_cycle:
frame.set_colorkey(BLACK)
self.TRUMP_fingers_l = self.game.spritesheet.get_image(1, 1704, 248, 559)
self.TRUMP_fingers_l.set_colorkey(BLACK)
self.TRUMP_walk1_l = self.game.spritesheet.get_image(1, 565, 312, 561)
self.TRUMP_walk1_l.set_colorkey(BLACK)
self.TRUMP_walk2_l = self.game.spritesheet.get_image(1, 1, 312, 562)
self.TRUMP_walk2_l.set_colorkey(BLACK)
self.TRUMP_hailing = self.game.spritesheet.get_image(1, 2265, 248, 439)
self.TRUMP_hailing.set_colorkey(BLACK)
self.TRUMP_hailing = pg.transform.scale(self.TRUMP_hailing,(283, 500))
self.TRUMP_throwing = self.game.spritesheet.get_image(1, 1128, 302, 574)
self.TRUMP_throwing.set_colorkey(BLACK)
self.TRUMP_smug = self.game.spritesheet.get_image(251, 1704, 247, 558)
self.TRUMP_smug.set_colorkey(BLACK)
self.TRUMP_flexing_l = self.game.spritesheet.get_image(251, 2264, 243, 554)
self.TRUMP_flexing_l.set_colorkey(BLACK)
def update(self):
now = pg.time.get_ticks()
if now - self.last_update2 > 500:
self.last_update2 = now
self.current_frame2 = (self.current_frame2 + 1) % len(self.TRUMP_walk_cycle)
self.image = self.TRUMP_walk_cycle[self.current_frame2]
print(self.rect.centerx, self.rect.centery)
self.dir = random.randint(1,10)
if self.dir == 1: #moving right
self.rect.centerx +=10
print("move right 1")
if self.dir == 2: #Moving left
self.rect.centerx -=10
print("move left 2")
if self.dir == 3:
self.image = self.TRUMP_flexing_l
if self.dir == 4:
self.shoot()
print("shoot")
self.image = self.TRUMP_throwing
if self.dir == 5: #SMUG
self.image = self.TRUMP_smug
if self.dir == 6: #flexing
self.image = self.TRUMP_flexing_l
if self.dir == 7: #Moving right
self.rect.centerx +=10
print("move right 5")
if self.dir == 8: #move left
self.rect.centerx -=10
print("move left 6")
if self.dir == 9: #Moving right
self.rect.centerx +=10
print("move right 7")
if self.dir == 10: #move left
self.rect.centerx -=10
print("move left 8")
def shoot(self):
mudballs = pg.sprite.Group()
mudball = MUDBALL(self.rect.centerx, self.rect.centery)
print("SHOOT function")
mudballs.add(mudball)
class MUDBALL(pg.sprite.Sprite):
def __init__(self, x, y):
pg.sprite.Sprite.__init__(self)
self.image = pg.image.load("0MUDBALL200.png")
self.rect = self.image.get_rect()
self.rect.bottom = y
self.rect.centerx = x
self.speedx = -30
def update(self):
self.rect.x += self.speedx
if self.rect.centerx < 0:
self.kill()