12外星人入侵 py小游戏

12外星人入侵

玩法:这让我想起了魂斗罗那几关的boss,有点类似

源代码分享:

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):
            myaircr

24349978