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目录
效果展示
准备工作
库的安装方法
科普小知识
完整代码
最后
效果展示
准备工作
首先,确保你有安装cfg的库和pygame的库,没有安装的看下安装方法
库的安装方法
首先,win+r,在运行框里输入cmd或者CMD,进入终端,输入以下两行代码
pip install pygame
pip install cfg
注:cfg容易安装错误,具体看报错,如有报错评论区留言,我会一一答复
科普小知识
1.凡是安装Python的第三方库,只需要输入pip install 库的名字(当然有一些特例)
2.凡是程序运行不起来,整体代码大部分报错,一般是没安装库,一个Python文件里面引用的库一般在开头:import 库的名字,检查这里有没有报错或者黄色下划线就好了,如果有,就用方法一安装库,如果没有,可能是自身代码的问题了
完整代码
import os
import sys
import cfg
import random
import pygame
from modules import *
'''开始游戏'''
def startGame(screen):
clock = pygame.time.Clock()
# 加载字体
font = pygame.font.SysFont('arial', 18)
if not os.path.isfile('score'):
f = open('score', 'w')
f.write('0')
f.close()
with open('score', 'r') as f:
highest_score = int(f.read().strip())
# 敌方
enemies_group = pygame.sprite.Group()
for i in range(55):
if i < 11:
enemy = enemySprite('small', i, cfg.WHITE, cfg.WHITE)
elif i < 33:
enemy = enemySprite('medium', i, cfg.WHITE, cfg.WHITE)
else:
enemy = enemySprite('large', i, cfg.WHITE, cfg.WHITE)
enemy.rect.x = 85 + (i % 11) * 50
enemy.rect.y = 120 + (i // 11) * 45
enemies_group.add(enemy)
boomed_enemies_group = pygame.sprite.Group()
en_bullets_group = pygame.sprite.Group()
ufo = ufoSprite(color=cfg.RED)
# 我方
myaircraft = aircraftSprite(color=cfg.GREEN, bullet_color=cfg.WHITE)
my_bullets_group = pygame.sprite.Group()
# 用于控制敌方位置更新
# --移动一行
enemy_move_count = 24
enemy_move_interval = 24
enemy_move_flag = False
# --改变移动方向(改变方向的同时集体下降一次)
enemy_change_direction_count = 0
enemy_change_direction_interval = 60
enemy_need_down = False
enemy_move_right = True
enemy_need_move_row = 6
enemy_max_row = 5
# 用于控制敌方发射子弹
enemy_shot_interval = 100
enemy_shot_count = 0
enemy_shot_flag = False
# 游戏进行中
running = True
is_win = False
# 主循环
while running:
screen.fill(cfg.BLACK)
for event in pygame.event.get():
# --点右上角的X或者按Esc键退出游戏
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
# --射击
if event.type == pygame.MOUSEBUTTONDOWN:
my_bullet = myaircraft.shot()
if my_bullet:
my_bullets_group.add(my_bullet)
# --我方子弹与敌方/UFO碰撞检测
for enemy in enemies_group:
if pygame.sprite.spritecollide(enemy, my_bullets_group, True, None):
boomed_enemies_group.add(enemy)
enemies_group.remove(enemy)
myaircraft.score += enemy.reward
if pygame.sprite.spritecollide(ufo, my_bullets_group, True, None):
ufo.is_dead = True
myaircraft.score += ufo.reward
# --更新并画敌方
# ----敌方子弹
enemy_shot_count += 1
if enemy_shot_count > enemy_shot_interval:
enemy_shot_flag = True
enemies_survive_list = [enemy.number for enemy in enemies_group]
shot_number = random.choice(enemies_survive_list)
enemy_shot_count = 0
# ----敌方移动
enemy_move_count += 1
if enemy_move_count > enemy_move_interval:
enemy_move_count = 0
enemy_move_flag = True
enemy_need_move_row -= 1
if enemy_need_move_row == 0:
enemy_need_move_row = enemy_max_row
enemy_change_direction_count += 1
if enemy_change_direction_count > enemy_change_direction_interval:
enemy_change_direction_count = 1
enemy_move_right = not enemy_move_right
enemy_need_down = True
# ----每次下降提高移动和射击速度
enemy_move_interval = max(15, enemy_move_interval-3)
enemy_shot_interval = max(50, enemy_move_interval-10)
# ----遍历更新
for enemy in enemies_group:
if enemy_shot_flag:
if enemy.number == shot_number:
en_bullet = enemy.shot()
en_bullets_group.add(en_bullet)
if enemy_move_flag:
if enemy.number in range((enemy_need_move_row-1)*11, enemy_need_move_row*11):
if enemy_move_right:
enemy.update('right', cfg.SCREENSIZE[1])
else:
enemy.update('left', cfg.SCREENSIZE[1])
else:
enemy.update(None, cfg.SCREENSIZE[1])
if enemy_need_down:
if enemy.update('down', cfg.SCREENSIZE[1]):
running = False
is_win = False
enemy.change_count -= 1
enemy.draw(screen)
enemy_move_flag = False
enemy_need_down = False
enemy_shot_flag = False
# ----敌方爆炸特效
for boomed_enemy in boomed_enemies_group:
if boomed_enemy.boom(screen):
boomed_enemies_group.remove(boomed_enemy)
del boomed_enemy
# --敌方子弹与我方飞船碰撞检测
if not myaircraft.one_dead:
if pygame.sprite.spritecollide(myaircraft, en_bullets_group, True, None):
myaircraft.one_dead = True
if myaircraft.one_dead:
if myaircraft.boom(screen):
myaircraft.resetBoom()
myaircraft.num_life -= 1
if myaircraft.num_life < 1:
running = False
is_win = False
else:
# ----更新飞船
myaircraft.update(cfg.SCREENSIZE[0])
# ----画飞船
myaircraft.draw(screen)
if (not ufo.has_boomed) and (ufo.is_dead):
if ufo.boom(screen):
ufo.has_boomed = True
else:
# ----更新UFO
ufo.update(cfg.SCREENSIZE[0])
# ----画UFO
ufo.draw(screen)
# --画我方飞船子弹
for bullet in my_bullets_group:
if bullet.update():
my_bullets_group.remove(bullet)
del bullet
else:
bullet.draw(screen)
# --画敌方子弹
for bullet in en_bullets_group:
if bullet.update(cfg.SCREENSIZE[1]):
en_bullets_group.remove(bullet)
del bullet
else:
bullet.draw(screen)
if myaircraft.score > highest_score:
highest_score = myaircraft.score
# --得分每增加2000我方飞船增加一条生命
if (myaircraft.score % 2000 == 0) and (myaircraft.score > 0) and (myaircraft.score != myaircraft.old_score):
myaircraft.old_score = myaircraft.score
myaircraft.num_life = min(myaircraft.num_life + 1, myaircraft.max_num_life)
# --敌人都死光了的话就胜利了
if len(enemies_group) < 1:
is_win = True
running = False
# --显示文字
# ----当前得分
showText(screen, 'SCORE: ', cfg.WHITE, font, 200, 8)
showText(screen, str(myaircraft.score), cfg.WHITE, font, 200, 24)
# ----敌人数量
showText(screen, 'ENEMY: ', cfg.WHITE, font, 370, 8)
showText(screen, str(len(enemies_group)), cfg.WHITE, font, 370, 24)
# ----历史最高分
showText(screen, 'HIGHEST: ', cfg.WHITE, font, 540, 8)
showText(screen, str(highest_score), cfg.WHITE, font, 540, 24)
# ----FPS
showText(screen, 'FPS: ' + str(int(clock.get_fps())), cfg.RED, font, 8, 8)
# --显示剩余生命值
showLife(screen, myaircraft.num_life, cfg.GREEN)
pygame.display.update()
clock.tick(cfg.FPS)
with open('score', 'w') as f:
f.write(str(highest_score))
return is_win
'''主函数'''
def main():
# 初始化
pygame.init()
pygame.display.set_caption('外星人入侵 —— 九歌')
screen = pygame.display.set_mode(cfg.SCREENSIZE)
pygame.mixer.init()
pygame.mixer.music.load(cfg.BGMPATH)
pygame.mixer.music.set_volume(0.4)
pygame.mixer.music.play(-1)
while True:
is_win = startGame(screen)
endInterface(screen, cfg.BLACK, is_win)
'''run'''
if __name__ == '__main__':
main()
最后
那么完整代码写完后就可以双击运行代码啦,如果有报错记得按我说的方法排查一下!
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