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import pygame
import sys
from pygame.locals import *
import enemy
import my_plane
import bullet
pygame.init()
pygame.mixer.init()
bg_size = width, height = 480, 700
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption("飞机大战")
background = pygame.image.load("background.png").convert()
# 设置一些颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GREEN = (0, 255, 0)
RED = (255, 0, 0)
# 加载背景音乐及音效
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)
get_heart_sound = pygame.mixer.Sound("sound/get_heart.wav")
get_heart_sound.set_volume(0.2)
get_ice_sound = pygame.mixer.Sound("sound/get_ice.wav")
get_ice_sound.set_volume(0.2)
lose_ice_sound = pygame.mixer.Sound("sound/lose_ice.wav")
lose_ice_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 = enemy.SmallEnemy(bg_size)
group1.add(e1)
group2.add(e1)
def add_mid_enemies(group1, group2, num):
for i in range(num):
e2 = enemy.MidEnemy(bg_size)
group1.add(e2)
group2.add(e2)
def add_big_enemies(group1, group2, num):
for i in range(num):
e3 = enemy.BigEnemy(bg_size)
group1.add(e3)
group2.add(e3)
def main():
pygame.mixer.music.play(-1)
# 生成我方飞机
me = my_plane.MyPlane(bg_size)
enemies = pygame.sprite.Group()
# 生成敌方小型飞机
small_enemies = pygame.sprite.Group()
add_small_enemies(small_enemies, enemies, 15)
# 生成敌方中型飞机
mid_enemies = pygame.sprite.Group()
add_mid_enemies(mid_enemies, enemies, 4)
# 生成敌方大型飞机
big_enemies = pygame.sprite.Group()
add_big_enemies(big_enemies, enemies, 2)
# 生成普通子弹
bullet1 = []
bullet1_index = 0
bullet1_num = 4
for i in range(bullet1_num):
bullet1.append(bullet.Bullet1(me.rect.midtop))
clock = pygame.time.Clock()
switch_image = True
delay = 100
score = 0
score_font = pygame.font.Font('font.ttf', 36)
# 标志是否暂停游戏
paused = False
pause_nor_image = pygame.image.load('pause_nor.png').convert_alpha()
pause_pressed_image = pygame.image.load('pause_pressed.png').convert_alpha()
resume_nor_image = pygame.image.load('resume_nor.png').convert_alpha()
resume_pressed_image = pygame.image.load('resume_pressed.png').convert_alpha()
paused_rect = pause_nor_image.get_rect()
paused_rect.left, paused_rect.top = width - paused_rect.width - 10, 10
paused.image = pause_nor_image
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == MOUSEBUTTONDOWN:
if event.button == 1 and paused_rect.collidepoint(event.pos):
paused = not paused
elif event.type == MOUSEMOTION:
if paused_rect.collidepoint(event.pos):
if paused:
paused_image = resume_pressed_image
else:
paused_image = pause_pressed_image
else:
if paused:
paused_image = resume_nor_image
else:
paused_image = pause_nor_image
screen.blit(background, (0, 0))
if not paused:
# 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.move_up()
if key_pressed[K_s] or key_pressed[K_DOWN]:
me.move_down()
if key_pressed[K_a] or key_pressed[K_LEFT]:
me.move_left()
if key_pressed[K_d] or key_pressed[K_RIGHT]:
me.move_right()
# 发射子弹
if not (delay % 10):
bullet1[bullet1_index].reset(me.rect.midtop)
bullet1_index = (bullet1_index + 1) % bullet1_num
# 检测子弹是否击中敌机
for b in bullet1:
if b.active:
b.move()
screen.blit(b.image, b.rect)
enemy_hit = pygame.sprite.spritecollide(b, enemies, False, pygame.sprite.collide_mask)
if enemy_hit:
b.active = False
for e in enemy_hit:
if e in mid_enemies or e in big_enemies:
e.energy -= 1
if e.energy == 0:
e.active = False
else:
e.active = False
# 绘制大型敌机
for each in big_enemies:
if each.active:
each.move()
screen.blit(each.image, each.rect)
# 绘制血槽
pygame.draw.line(screen, BLACK,
(each.rect.left, each.rect.top - 5),
(each.rect.right, each.rect.top - 5),
2)
# 当生命值大于20%时显示绿色,否则显示红色
enemy_remain = each.energy / enemy.BigEnemy.energy
if enemy_remain > 0.2:
enemy_color = GREEN
else:
enemy_color = RED
pygame.draw.line(screen, enemy_color,
(each.rect.left, each.rect.top - 5),
(each.rect.left + each.rect.width * enemy_remain,
each.rect.top - 5), 2)
if each.rect.bottom > -50:
enemy3_fly_sound.play(-1)
else:
# 毁灭
enemy3_down_sound.play()
enemy3_fly_sound.stop()
score += 10000
each.reset()
# 绘制中型敌机
for each in mid_enemies:
if each.active:
each.move()
screen.blit(each.image, each.rect)
# 绘制血槽
pygame.draw.line(screen, BLACK,
(each.rect.left, each.rect.top - 5),
(each.rect.right, each.rect.top - 5),
2)
# 当生命值大于20%时显示绿色,否则显示红色
enemy_remain = each.energy / enemy.MidEnemy.energy
if enemy_remain > 0.2:
enemy_color = GREEN
else:
enemy_color = RED
pygame.draw.line(screen, enemy_color,
(each.rect.left, each.rect.top - 5),
(each.rect.left + each.rect.width * enemy_remain,
each.rect.top - 5), 2)
else:
# 毁灭
enemy2_down_sound.play()
score += 6000
each.reset()
# 绘制小型敌机
for each in small_enemies:
if each.active:
each.move()
screen.blit(each.image, each.rect)
else:
# 毁灭
enemy1_down_sound.play()
score += 1000
each.reset()
# 检测我方飞机是否被撞
enemies_down = pygame.sprite.spritecollide(me, enemies, False, pygame.sprite.collide_mask)
if enemies_down:
me.active = False
for e in enemies_down:
e.active = False
# 绘制我方飞机
if me.active:
screen.blit(me.image, me.rect)
else:
# 毁灭
me_down_sound.play()
each.reset()
score_text = score_font.render("Score : %s" % str(score), True, BLACK)
screen.blit(score_text, (10, 5))
# 绘制暂停按钮
screen.blit(paused_image, paused_rect)
if not (delay % 5):
switch_image = not switch_image
delay -= 1
if not delay:
delay = 100
pygame.display.flip()
clock.tick(60)
为什么一运行就直接退出了
这个问题可能是由于程序中的pygame.quit()和sys.exit()导致的。这两行代码会立即退出程序,所以程序运行后会立即退出。
如果您想让程序保持运行状态,您可以将这两行代码注释掉,或者将它们放在一个条件语句中,以便在满足某个条件时才退出程序。例如,可以使用一个标志变量来控制程序是否退出,只有当标志变量为True时才执行退出操作。
另外,您还需要确保您的程序中的文件路径是正确的,比如background.png、sound文件夹中的音频文件以及font.ttf文件。如果这些文件不存在或者文件路径不正确,程序可能会在加载这些文件时出现错误并退出。您可以使用绝对路径或者相对路径来指定这些文件的位置。
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