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[python]代码库import pygame
from random import randint
import math
print("按下空格建发射子弹")
pygame.init()
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption("飞机大战")
icon = pygame.image.load('ufo.png')
pygame.display.set_icon(icon)
bgimg = pygame.image.load('bg.png')
enemyimg = pygame.image.load('enemy.png')
pygame.mixer.music.load('bg.wav')
pygame.mixer.music.play(-1)
bomb_sound = pygame.mixer.Sound('exp.wav')
playerimg = pygame.image.load('player.png')
playerX = 400
playerY = 500
playStep = 0
score = 0
font = pygame.font.Font('freesansbold.ttf', 35)
def show_score():
text = f"score:{score}"
score_render = font.render(text, True, (0, 200, 255))
screen.blit(score_render, (10, 10))
is_over = False
over_font = pygame.font.Font('freesansbold.ttf', 64)
def check_is_over():
if is_over:
text = "Game Over"
render = over_font.render(text, True, (255, 50, 10))
screen.blit(render, (230, 250))
number_of_enemies = 10
class Enemy():
def __init__(self):
self.img = pygame.image.load('enemy.png')
self.x = randint(100, 600)
self.y = randint(50, 250)
self.step = randint(2, 5)
def reset(self):
self.x = randint(100, 600)
self.y = randint(50, 250)
Enemies = []
for i in range(number_of_enemies):
Enemies.append(Enemy())
def show_enemy():
global is_over
for e in Enemies:
screen.blit(e.img, (e.x, e.y))
e.x += e.step
if (e.x > 736 or e.x < 0):
e.step *= -1
e.y += 40
if e.y > 450:
is_over = True
print("游戏结束啦！")
Enemies.clear()
def distance(bx, by, ex, ey):
a = bx - ex
b = by - ey
return math.sqrt(a*a + b*b)
bullets = []
class Bullet():
def __init__(self):
self.img = pygame.image.load('bullet.png')
self.x = playerX
self.y = playerY + 10
self.step = 10
def hit(self):
global score
for e in Enemies:
if (distance(self.x, self.y, e.x, e.y) < 40):
bomb_sound.play()
bullets.remove(self)
e.reset()
score += 1
def show_bullet():
for bull in bullets:
screen.blit(bull.img, (bull.x, bull.y))
bull.hit()
bull.y -= bull.step
if bull.y < 0:
bullets.remove(bull)
def distance_two(bx, by, ex, ey):
a = bx - ex
b = by - ey
return math.sqrt(a*a + b*b)
bullets_two = []
class Bullet_two():
def __init__(self):
self.img = pygame.image.load('bullet.png')
self.x = playerX + 30
self.y = playerY + 10
self.step = 10
def hit_two(self):
for d in Enemies:
if (distance_two(self.x, self.y, d.x, d.y) < 40):
bomb_sound.play()
bullets_two.remove(self)
d.reset()
def show_bullet_two():
for b in bullets_two:
screen.blit(b.img, (b.x, b.y))
b.hit_two()
b.y -= b.step
if b.y < 0:
bullets_two.remove(b)
def move_player():
global playerX
playerX += playStep
while playerX > 736:
playerX -= 6
while playerX < 0:
playerX +=6
running = True
while running:
screen.blit(bgimg, (0, 0))
show_score()
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_RIGHT:
playStep = 6
elif event.key == pygame.K_LEFT:
playStep = -6
elif event.key == pygame.K_SPACE:
print("发射子弹....")
bullets.append(Bullet())
bullets_two.append(Bullet_two())
if event.type == pygame.KEYUP:
playStep = 0
screen.blit(playerimg, (playerX, playerY))
move_player()
show_bullet()
show_bullet_two()
show_enemy()
check_is_over()
pygame.display.update()
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