<p>之前看到过很多人写的飞机大战，当然了之前我也写过多个版本，总体来说功能是实现了，但总感觉不够“炫”</p>
<p>今天浏览Python资料的时候，意外发现了这个很好的“射击”类游戏，看上去类似飞机大战，但更好玩</p>
<h2>一、游戏特点</h2>
<p>1. 运行非常流畅</p>
<p>2. 默认有3条命，每条命的HP可以增加（吃补品）也可以减少（被击中）</p>
<p>3. 有碰撞时的音效</p>
<p>4. 有碰撞时的爆炸效果</p>
<h2>二、运行效果展示</h2>
<p style="text-align: center"><img alt="" src="https://beijingoptbbs.oss-cn-hangzhou.aliyuncs.com/jb/2426819-c2275b839f4a8f7cfdd96add39360d76.gif"></p>
<h2>三、完整代码</h2>
<div class="blockcode">
<pre class="brush:py;">
from __future__ import division
import pygame
import random
from os import path
## assets folder
img_dir = path.join(path.dirname(__file__), 'assets')
sound_folder = path.join(path.dirname(__file__), 'sounds')
###############################
## to be placed in "constant.py" later
WIDTH = 480
HEIGHT = 600
FPS = 60
POWERUP_TIME = 5000
BAR_LENGTH = 100
BAR_HEIGHT = 10
# Define Colors
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
YELLOW = (255, 255, 0)
###############################
###############################
## to placed in "__init__.py" later
## initialize pygame and create window
pygame.init()
pygame.mixer.init() ## For sound
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Space Shooter")
clock = pygame.time.Clock() ## For syncing the FPS
###############################
font_name = pygame.font.match_font('arial')
def main_menu():
global screen
menu_song = pygame.mixer.music.load(path.join(sound_folder, "menu.ogg"))
pygame.mixer.music.play(-1)
title = pygame.image.load(path.join(img_dir, "main.png")).convert()
title = pygame.transform.scale(title, (WIDTH, HEIGHT), screen)
screen.blit(title, (0,0))
pygame.display.update()
while True:
ev = pygame.event.poll()
if ev.type == pygame.KEYDOWN:
if ev.key == pygame.K_RETURN:
break
elif ev.key == pygame.K_q:
pygame.quit()
quit()
else:
draw_text(screen, "Press [ENTER] To Begin", 30, WIDTH/2, HEIGHT/2)
draw_text(screen, "or [Q] To Quit", 30, WIDTH/2, (HEIGHT/2)+40)
pygame.display.update()
#pygame.mixer.music.stop()
ready = pygame.mixer.Sound(path.join(sound_folder,'getready.ogg'))
ready.play()
screen.fill(BLACK)
draw_text(screen, "GET READY!", 40, WIDTH/2, HEIGHT/2)
pygame.display.update()
def draw_text(surf, text, size, x, y):
## selecting a cross platform font to display the score
font = pygame.font.Font(font_name, size)
text_surface = font.render(text, True, WHITE) ## True denotes the font to be anti-aliased
text_rect = text_surface.get_rect()
text_rect.midtop = (x, y)
surf.blit(text_surface, text_rect)
def draw_shield_bar(surf, x, y, pct):
# if pct < 0:
# pct = 0
pct = max(pct, 0)
## moving them to top
# BAR_LENGTH = 100
# BAR_HEIGHT = 10
fill = (pct / 100) * BAR_LENGTH
outline_rect = pygame.Rect(x, y, BAR_LENGTH, BAR_HEIGHT)
fill_rect = pygame.Rect(x, y, fill, BAR_HEIGHT)
pygame.draw.rect(surf, GREEN, fill_rect)
pygame.draw.rect(surf, WHITE, outline_rect, 2)
def draw_lives(surf, x, y, lives, img):
for i in range(lives):
img_rect= img.get_rect()
img_rect.x = x + 30 * i
img_rect.y = y
surf.blit(img, img_rect)
def newmob():
mob_element = Mob()
all_sprites.add(mob_element)
mobs.add(mob_element)
class Explosion(pygame.sprite.Sprite):
def __init__(self, center, size):
pygame.sprite.Sprite.__init__(self)
self.size = size
self.image = explosion_anim[self.size][0]
self.rect = self.image.get_rect()
self.rect.center = center
self.frame = 0
self.last_update = pygame.time.get_ticks()
self.frame_rate = 75
def update(self):
now = pygame.time.get_ticks()
if now - self.last_update > self.frame_rate:
self.last_update = now
self.frame += 1
if self.frame == len(explosion_anim[self.size]):
self.kill()
else:
center = self.rect.center
self.image = explosion_anim[self.size][self.frame]
self.rect = self.image.get_rect()
self.rect.center = center
class Player(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
## scale the player img down
self.image = pygame.transform.scale(player_img, (50, 38))
self.image.set_colorkey(BLACK)
self.rect = self.image.get_rect()
self.radius = 20
self.rect.centerx = WIDTH / 2
self.rect.bottom = HEIGHT - 10
self.speedx = 0
self.shield = 100
self.shoot_delay = 250
self.last_shot = pygame.time.get_ticks()
self.lives = 3
self.hidden = False
self.hide_timer = pygame.time.get_ticks()
self.power = 1
self.power_timer = pygame.time.get_ticks()
def update(self):
## time out for powerups
if self.power >=2 and pygame.time.get_ticks() - self.power_time > POWERUP_TIME:
self.power -= 1
self.power_time = pygame.time.get_ticks()
## unhide
if self.hidden and pygame.time.get_ticks() - self.hide_timer > 1000:
self.hidden = False
self.rect.centerx = WIDTH / 2
self.rect.bottom = HEIGHT - 30
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