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各位,我刚上完小甲鱼飞机大战的第二节课,不知道代码出了什么问题,敌方大小飞机一开始就一起出现,然后就没了import pygame
import sys
import mine_plane
import mine_enemy
import traceback
from pygame.locals import *
pygame.init()
pygame.mixer.init()
bg_size = width, height = 480, 700
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption('喜闻乐见的飞机大战')
background = pygame.image.load('images/background.png').convert()
# 载入游戏音乐
pygame.mixer.music.load("sound/game_music.ogg")
pygame.mixer.music.set_volume(0.2)
bullet_sound = pygame.mixer.Sound("sound/bullet.wav")
bullet_sound.set_volume(0.2)
bomb_sound = pygame.mixer.Sound("sound/use_bomb.wav")
bomb_sound.set_volume(0.2)
supply_sound = pygame.mixer.Sound("sound/supply.wav")
supply_sound.set_volume(0.2)
get_bomb_sound = pygame.mixer.Sound("sound/get_bomb.wav")
get_bomb_sound.set_volume(0.2)
get_bullet_sound = pygame.mixer.Sound("sound/get_bullet.wav")
get_bullet_sound.set_volume(0.2)
upgrade_sound = pygame.mixer.Sound("sound/upgrade.wav")
upgrade_sound.set_volume(0.2)
enemy3_fly_sound = pygame.mixer.Sound("sound/enemy3_flying.wav")
enemy3_fly_sound.set_volume(0.2)
enemy1_down_sound = pygame.mixer.Sound("sound/enemy1_down.wav")
enemy1_down_sound.set_volume(0.2)
enemy2_down_sound = pygame.mixer.Sound("sound/enemy2_down.wav")
enemy2_down_sound.set_volume(0.2)
enemy3_down_sound = pygame.mixer.Sound("sound/enemy3_down.wav")
enemy3_down_sound.set_volume(0.5)
me_down_sound = pygame.mixer.Sound("sound/me_down.wav")
me_down_sound.set_volume(0.2)
def add_small_enemies(group1, group2, num):
for i in range(num):
e1 = mine_enemy.SmallEnemy(bg_size)
group1.add(e1)
group2.add(e1)
def add_big_enemies(group1, group2, num):
for i in range(num):
e3 = mine_enemy.BigEnemy(bg_size)
group1.add(e3)
group2.add(e3)
def add_mid_enemies(group1, group2, num):
for i in range(num):
e2 = mine_enemy.MidEnemy(bg_size)
group1.add(e2)
group2.add(e2)
def main():
pygame.mixer.music.play(-1)
# 生成我方飞机
me = mine_plane.MyPlane(bg_size)
enemies = pygame.sprite.Group()
# 生成敌方小飞机
small_enemies = pygame.sprite.Group()
add_small_enemies(small_enemies, enemies, 15)
# 生成敌方中飞机
mid_enemies = pygame.sprite.Group()
add_mid_enemies(mid_enemies, enemies, 4)
# 生成敌方大飞机
big_enemies = pygame.sprite.Group()
add_big_enemies(big_enemies, enemies, 2)
clock = pygame.time.Clock()
# 用于切换图片
switch_image = True
# 用于延迟
delay = 100
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
# 检测用户的键盘操作
key_pressed = pygame.key.get_pressed()
if key_pressed[K_w] or key_pressed[K_UP]:
me.moveUp()
if key_pressed[K_s] or key_pressed[K_DOWN]:
me.moveDown()
if key_pressed[K_a] or key_pressed[K_LEFT]:
me.moveLeft()
if key_pressed[K_d] or key_pressed[K_RIGHT]:
me.moveRight()
screen.blit(background, (0, 0))
#绘制敌方大飞机
for each in big_enemies:
each.move()
if switch_image:
screen.blit(each.image1, each.rect)
else:
screen.blit(each.image2, each.rect)
#即将出现在画面中,播放音效
if each.rect.bottom > -50:
enemy3_fly_sound.play()
#绘制敌方中飞机
for each in mid_enemies:
each.move()
screen.blit(each.image, each.rect)
#绘制敌方小飞机
for each in small_enemies:
each.move()
screen.blit(each.image, each.rect)
# 绘制我方飞机
if switch_image:
screen.blit(me.image1, me.rect)
else:
screen.blit(me.image2, me.rect)
# 切换图片
if not (delay % 5):
switch_image = not switch_image
delay -= 1
if not delay:
delay = 100
pygame.display.flip()
clock.tick(60)
if __name__ == '__main__':
try:
main()
except SystemExit:
pass
except BaseException:
traceback.print_exc()
pygame.quit()
input()
import pygame
class MyPlane(pygame.sprite.Sprite):
def __init__(self, bg_size):
pygame.sprite.Sprite.__init__(self)
self.image1 = pygame.image.load('images/me1.png').convert_alpha()
self.image2 = pygame.image.load('images/me2.png').convert_alpha()
self.rect = self.image1.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
self.speed = 5
def moveUp(self):
if self.rect.top > 0:
self.rect.top -= self.speed * 1.5
else:
self.rect.top = 0
def moveDown(self):
if self.rect.bottom < self.height:
self.rect.top += self.speed * 0.7
else:
self.rect.bottom = self.height - 60
def moveLeft(self):
if self.rect.left > 0:
self.rect.left -= self.speed
else:
self.rect.left = 0
def moveRight(self):
if self.rect.right < self.width:
self.rect.right += self.speed
else:
self.rect.right = self.width
import pygame
from random import *
class SmallEnemy(pygame.sprite.Sprite):
def __init__(self, bg_size):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load('images/enemy1.png').convert_alpha()
self.rect = self.image.get_rect()
self.width, self.height = bg_size[0], bg_size[1]
self.speed = 2
self.rect.left, self.rect.height = \
randint(0, (self.width - self.rect.width)), \
randint(-5 * self.height, 0)
def move(self):
if self.rect.top < self.height:
self.rect.top += self.speed
else:
self.reset()
def reset(self):
self.rect.left, self.rect.height = \
randint(0, (self.width - self.rect.width)), \
randint(-5 * self.height, 0)
class MidEnemy(pygame.sprite.Sprite):
def __init__(self, bg_size):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load('images/enemy1.png').convert_alpha()
self.rect = self.image.get_rect()
self.width, self.height = bg_size[0], bg_size[1]
self.speed = 1
self.rect.left, self.rect.height = \
randint(0, (self.width - self.rect.width)), \
randint(-10 * self.height, -self.height)
def move(self):
if self.rect.top < self.height:
self.rect.top += self.speed
else:
self.reset()
def reset(self):
self.rect.left, self.rect.height = \
randint(0, (self.width - self.rect.width)), \
randint(-10 * self.height, -self.height)
class BigEnemy(pygame.sprite.Sprite):
def __init__(self, bg_size):
pygame.sprite.Sprite.__init__(self)
self.image1 = pygame.image.load('images/enemy3_n1.png').convert_alpha()
self.image2 = pygame.image.load('images/enemy3_n2.png').convert_alpha()
self.rect = self.image1.get_rect()
self.width, self.height = bg_size[0], bg_size[1]
self.speed = 1
self.rect.left, self.rect.height = \
randint(0, (self.width - self.rect.width)), \
randint(-15 * self.height, -5 * self.height)
def move(self):
if self.rect.top < self.height:
self.rect.top += self.speed
else:
self.reset()
def reset(self):
self.rect.left, self.rect.height = \
randint(0, (self.width - self.rect.width)), \
randint(-15 * self.height, -5 * self.height)
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