while running:
# 4.设置游戏帧率
clock.tick(FPS)
# 5. 处理用户输入
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
# 6. 更新所有角色
all_sprites.update()
# 获得用户所有的键盘输入序列(如果用户通过键盘发出“向上”的指令,其他类似)
key_pressed = pygame.key.get_pressed()
if key_pressed[K_w] or key_pressed[K_UP]:
plane.move_up()
if key_pressed[K_s] or key_pressed[K_DOWN]:
plane.move_down()
if key_pressed[K_a] or key_pressed[K_LEFT]:
plane.move_left()
if key_pressed[K_d] or key_pressed[K_RIGHT]:
plane.move_right()
if key_pressed[K_SPACE]:
bullet = Bullet.new_bullet((plane.rect.x, plane.rect.y))
if bullet:
bullet_sprites.add(bullet)
all_sprites.add(bullet)
# 子弹击毁敌舰
for enemy in enemy_sprites:
if enemy.is_survive():
def main():
me_destroy_index = 0
bullets = []
pygame.mixer.music.play(loops=-1) # loops = -1，音乐无限循环(默认循环播放一次)
running = True
delay = 60 # 对一些效果进行延迟，效果更好一些
plane = Plane(bg_size)
switch_image = False
enemies = pygame.sprite.Group() # 生成敌方飞机组(一种精灵组用以存储所有敌机精灵)
small_enemies = pygame.sprite.Group() # 敌方小型飞机组(不同型号敌机创建不同的精灵组来存储)
add_small_enemies(small_enemies, enemies, 4) # 生成若干敌方小型飞机
# 定义子弹, 各种敌机和我方敌机的毁坏图像索引
bullet_index = 0
e1_destroy_index = 0
plane_destroy_index = 0
# 定义子弹实例化个数
bullet1 = []
bullet_num = 6
for i in range(bullet_num):
bullet1.append(Bullet(plane.rect.midtop))
while running:
# 绘制背景图
screen.blit(backgroud, (0, 0))
# 飞机是喷气式的, 那么这个就涉及到一个帧数的问题
clock = pygame.time.Clock()
clock.tick(60)
# 绘制我方飞机的两种不同状态，喷气时与不喷气时
if not delay % 3:
switch_image = not switch_image
for each in small_enemies:
if each.active:
each.move()
screen.blit(each.image, each.rect)
pygame.draw.line(screen, color_black,
(each.rect.left, each.rect.top - 5),
(each.rect.right, each.rect.top - 5), 2)
energy_remain = each.energy / SmallEnemy.energy
# 如果血量大约百分之二十则为绿色，否则为红色
if energy_remain > 0.2:
energy_color = color_green
else:
energy_color = color_red
pygame.draw.line(
screen, energy_color, (each.rect.left, each.rect.top - 5),
(each.rect.left + each.rect.width * energy_remain,
each.rect.top - 5), 2)
# 随机循环输出敌方小飞机
for e in small_enemies:
e.move()
screen.blit(e.image, e.rect)
else:
while e1_destroy_index == 0:
e1_destroy_index_second = 0
screen.blit(each.destroy_images[e1_destroy_index_second],
each.rect)
e1_destroy_index = (e1_destroy_index_second + 1) % 4
e1_destroy_index_second += 1
enemy1_die_sound.play()
each.reset()
# 飞机存活状态
if plane.active:
if switch_image:
screen.blit(plane.image_one, plane.rect)
else:
screen.blit(plane.image_two, plane.rect)
# 飞机存活状态下才能发射子弹，且没10帧发射一颗移动的子弹
if not (delay % 10):
bullet_sound.play()
bullets = bullet1
bullets[bullet_index].reset(plane.rect.midtop)
bullet_index = (bullet_index + 1) % bullet_num
for b in bullets:
# 只有激活的子弹才能击中敌机
if b.active:
b.move()
screen.blit(b.image, b.rect)
enemies_hit = pygame.sprite.spritecollide(
b, enemies, False, pygame.sprite.collide_mask)
# 如果子弹击中敌机
if enemies_hit:
b.active = False # 子弹损毁
for e in enemies_hit:
e.active = False # 小型飞机被毁
# 毁坏状态绘制爆炸的场面
else:
if not (delay % 3):
while me_destroy_index == 0:
screen.blit(plane.destroy_images[plane_destroy_index],
plane.rect)
# 四张图片切换实现动画效果
me_destroy_index = (plane_destroy_index + 1) % 4
plane_destroy_index += 1
# 爆炸声音效果
me_die_sound.play()
plane.reset()
# 调用 pygame 实现的碰撞方法 spritecollide (我方飞机如果和敌机碰撞, 更改飞机的存活属性)
enemies_down = pygame.sprite.spritecollide(plane, enemies, False,
pygame.sprite.collide_mask)
if enemies_down:
plane.active = False
for enemy in enemies:
enemy.active = False
# 响应用户的操作
for event in pygame.event.get():
# 如果按下屏幕上的关闭按钮，触发quit事件，游戏退出
if event.type == 12:
pygame.quit()
sys.exit()
if delay == 0:
delay = 60
delay -= 1
# 获取用户输入的所有键盘序列，如向上
key_pressed = pygame.key.get_pressed()
if key_pressed[K_w] or key_pressed[K_UP]:
plane.move_up()
if key_pressed[K_s] or key_pressed[K_DOWN]:
plane.move_down()
if key_pressed[K_a] or key_pressed[K_LEFT]:
plane.move_left()
if key_pressed[K_d] or key_pressed[K_RIGHT]:
plane.move_right()
# 再而我们将背景图像输出到屏幕上
pygame.display.flip()
def main():
pygame.mixer.music.play(-1)
our_plane = Plane(bg_size)
switch_image = False # 定义飞机的切图效果标识
delay_time = 60
running = True
enemies = pygame.sprite.Group()
small_enemies = pygame.sprite.Group()
add_small_enemy(enemies, small_enemies, 4)
bullet_index = 0
e1_destroy_index = 0
plane_destroy_index = 0
bullet1 = []
bullet_num = 10
add_bullet(our_plane, bullet1, bullet_num)
while running:
screen.blit(bg_img, (0, 0))
clock = pygame.time.Clock()
clock.tick(60)
if not delay_time % 3:
switch_image = not switch_image
for small_enemy in small_enemies:
if small_enemy.active:
for e in small_enemies:
e.move()
screen.blit(e.image, e.rect)
else:
if e1_destroy_index == 0:
enemy_over_sound.play()
screen.blit(small_enemy.destroy_images[e1_destroy_index],
small_enemy.rect)
e1_destroy_index = (e1_destroy_index + 1) % 4
if e1_destroy_index == 0:
small_enemy.reset()
if our_plane.active:
if switch_image:
screen.blit(our_plane.image_one, our_plane.rect)
else:
screen.blit(our_plane.image_two, our_plane.rect)
if not (delay_time % 10):
bullet_sound.play()
bullets = bullet1
bullets[bullet_index].reset(our_plane.rect.midtop)
bullet_index = (bullet_index + 1) % bullet_num
for bullet in bullets:
if bullet.active:
bullet.move()
screen.blit(bullet.image, bullet.rect)
enemies_hit = pygame.sprite.spritecollide(
bullet, enemies, False, pygame.sprite.collide_mask)
if enemies_hit:
bullet.active = False
for e in enemies_hit:
e.active = False
else:
if not (delay_time % 3):
screen.blit(our_plane.destroy_images[plane_destroy_index],
our_plane.rect)
plane_destroy_index = (plane_destroy_index + 1) % 4
if plane_destroy_index == 0:
game_over_sound.play()
our_plane.reset()
plane_enemy_hit = pygame.sprite.spritecollide(
our_plane, enemies, False, pygame.sprite.collide_mask)
if plane_enemy_hit:
our_plane.active = False
for e in enemies:
e.active = False
if delay_time == 0:
delay_time = 60
delay_time -= 1
key_pressed = pygame.key.get_pressed()
if key_pressed[K_a] or key_pressed[K_LEFT]:
our_plane.move_left()
elif key_pressed[K_w] or key_pressed[K_UP]:
our_plane.move_up()
elif key_pressed[K_d] or key_pressed[K_RIGHT]:
our_plane.move_right()
elif key_pressed[K_s] or key_pressed[K_DOWN]:
our_plane.move_down()
if key_pressed[K_j]:
our_plane.active = False
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
# 再而我们将背景图像并输出到屏幕上面
pygame.display.flip()