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847天前import pygame |
from random import randint |
import math |
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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') |
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pygame.mixer.music.load('bg.wav') |
pygame.mixer.music.play(-1) |
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bomb_sound = pygame.mixer.Sound('exp.wav') |
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playerimg = pygame.image.load('player.png') |
playerX = 400 |
playerY = 500 |
playStep = 0 |
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score = 0 |
font = pygame.font.Font('freesansbold.ttf', 35) |
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def show_score(): |
text = f"score:{score}" |
score_render = font.render(text, True, (0, 200, 255)) |
screen.blit(score_render, (10, 10)) |
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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)) |
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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) |
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Enemies = [] |
for i in range(number_of_enemies): |
Enemies.append(Enemy()) |
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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) |
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bullets = [] |
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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 |
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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) |
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def distance_two(bx, by, ex, ey): |
a = bx - ex |
b = by - ey |
return math.sqrt(a*a + b*b) |
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bullets_two = [] |
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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 |
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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() |
