简介
以前的代码了，今天刚好看到，就传上来了，当时是网上看了下python的书，里面讲了打飞机这个游戏，就用python写出来玩了下，使用的是pygame模块
主函数
主函数主要创建子弹，飞机，敌机，调度各功能部件
def run_game():
#init game and screen
pygame.init()
game_settings = settings.Settings()
screen = pygame.display.set_mode((game_settings.screen_width, game_settings.screen_height))
pygame.display.set_caption('Plane')
ship = Ship(game_settings, screen)
bullets = Group()
enemys = Group()
booms = Group()
gf.create_enemys(game_settings, screen, enemys, ship)
stats = GameStats(game_settings)
try:
with open("./score.txt", "r") as file_score:
stats.high_score = int(file_score.read())
except FileNotFoundError:
pass
play_button = Button(game_settings, screen, "Play")
score = Scoreboard(screen, game_settings, stats)
while True:
gf.check_events(game_settings, stats, screen, ship, bullets, enemys, booms, play_button, score)
if stats.game_active:
ship.update()
gf.update_bullets(game_settings, stats, screen, bullets, enemys, booms, ship, score)
gf.update_enemys(game_settings, screen, enemys, ship, bullets, stats, score)
gf.update_screen(game_settings, stats, screen, ship, bullets, enemys, booms, play_button, score)
if __name__ == '__main__':
run_game()配置
主要是生命，速度，击毁敌机得分
class Settings(object):
"""some settings of the game"""
def __init__(self):
self.screen_width = 400
self.screen_height = 600
self.bg_color = (218, 218, 218)
self.ship_limit = 3
#bullet settings
self.bullet_width = 3
self.bullet_height = 15
self.bullet_color = (110, 20, 70)
self.bullet_allow = 50
self.speed_up_scale = 1.1
self.enemy_drop_speed = 0.03
self.reset_speed_factors()
def reset_speed_factors(self):
self.ship_speed_factor = 1
self.bullet_speed_factor = 1
self.enemy_speed_factor = 1
#self.enemy_drop_speed = 0.01
self.enemy_direction = 1
self.enemy_score = 50
def increase_speed(self):
#self.ship_speed_factor *= self.speed_up_scale
self.bullet_speed_factor *= self.speed_up_scale
self.enemy_speed_factor *= self.speed_up_scale
self.enemy_drop_speed *= self.speed_up_scale
self.enemy_score *= 2游戏状态
记录飞机等级，分数，游戏是否暂停
class GameStats(object):
"""stats the game info and score of player"""
def __init__(self, game_settings):
self.game_settings = game_settings
self.reset_stats()
self.game_active = False
self.high_score = 0
self.level = 1
def reset_stats(self):
self.ship_left = self.game_settings.ship_limit
self.score = 0
self.level = 1敌机
包含边界检查，绘制，运动
import pygame
from pygame.sprite import Sprite
class Enemy(Sprite):
"""define the behavior of enemy"""
def __init__(self, game_settings, screen):
super().__init__()
self.screen = screen
self.game_settings = game_settings
self.image = pygame.image.load("images/enemy.bmp")
self.rect = self.image.get_rect()
self.rect.x = self.rect.width
self.rect.y = self.rect.height
self.x = float(self.rect.x)
self.y = float(self.rect.y)
def blitme(self):
self.screen.blit(self.image, self.rect)
def update(self):
self.y += self.game_settings.enemy_drop_speed
self.rect.y = self.y
#self.x += (self.game_settings.enemy_speed_factor * self.game_settings.enemy_direction)
#self.rect.x = self.x
def check_edges(self):
screen_rect = self.screen.get_rect()
if self.rect.right >= screen_rect.right:
return True
elif self.rect.left <= 0:
return True
else:
return False子弹
包含子弹的绘制与运动
import pygame
from pygame.sprite import Sprite
class Bullet(Sprite):
"""define the of behavior bullet"""
def __init__(self, game_settings, screen, ship):
super().__init__()
self.screen = screen
self.rect = pygame.Rect(0, 0, game_settings.bullet_width, game_settings.bullet_height)
self.rect.centerx = ship.rect.centerx
self.rect.top = ship.rect.top
self.y = float(self.rect.y)
self.color = game_settings.bullet_color
self.speed_factor = game_settings.bullet_speed_factor
def update(self):
self.y -= self.speed_factor
self.rect.y = self.y
def draw_bullet(self):
pygame.draw.rect(self.screen, self.color, self.rect)爆炸效果
碰撞后显示图片，然后擦除，制造爆炸效果
import pygame
from pygame.sprite import Sprite
class Boom(Sprite):
"""description of class"""
def __init__(self, screen):
super().__init__()
self.screen = screen
self.image = pygame.image.load("images/boom.bmp")
self.rect = self.image.get_rect()
self.rect.x = 0
self.rect.y = 0
self.earse = 10
def blitme(self):
self.screen.blit(self.image, self.rect)
self.earse -= 1飞船
实现飞船的绘制与运动
import pygame
from pygame.sprite import Sprite
class Ship(Sprite):
"""Define the ship object"""
def __init__(self, game_settings, screen):
#init ship and set the original position
super().__init__()
self.screen = screen
self.game_settings = game_settings
self.image = pygame.image.load("images/ship.bmp")
self.rect = self.image.get_rect()
self.screen_rect = screen.get_rect()
self.rect.centerx = self.screen_rect.centerx
self.rect.bottom = self.screen_rect.bottom
self.center = float(self.rect.centerx)
self.move_right = False
self.move_left = False
def blitme(self):
self.screen.blit(self.image, self.rect)
def update(self):
if self.move_right and self.rect.right < self.screen_rect.right:
self.center += self.game_settings.ship_speed_factor
if self.move_left and self.rect.left > 0:
self.center -= self.game_settings.ship_speed_factor
self.rect.centerx = self.center
def center_ship(self):
self.rect.centerx = self.screen_rect.centerx
self.rect.bottom = self.screen_rect.bottom
self.center = float(self.rect.centerx)
self.move_right = False
self.move_left = False
功能模块
实现按键检测，碰撞检测，开火，生成敌机等
import sys
import pygame
import settings
from ship import Ship
from bullet import Bullet
from enemy import Enemy
from time import sleep
from boom import Boom
def check_events(game_settings, stats, screen, ship, bullets, enemys, booms, play_button, score):
for event in pygame.event.get():
if event.type == pygame.QUIT:
with open("./score.txt", "w") as file_score:
file_score.write(str(stats.high_score))
sys.exit()
elif event.type == pygame.KEYDOWN:
check_events_keydown(event, game_settings, stats, screen, ship, bullets, enemys, booms, score)
elif event.type == pygame.KEYUP:
check_events_keyup(event, ship)
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_x, mouse_y = pygame.mouse.get_pos()
check_play_button_click(game_settings, stats, screen, play_button, mouse_x, mouse_y, ship, bullets,
enemys, booms, score)
def check_play_button_click(game_settings, stats, screen, play_button, x, y, ship, bullets, enemys, booms, score):
if not stats.game_active and play_button.rect.collidepoint(x, y):
start_game(game_settings, stats, screen, ship, bullets, enemys, booms, score)
def start_game(game_settings, stats, screen, ship, bullets, enemys, booms, score):
pygame.mouse.set_visible(False)
game_settings.reset_speed_factors()
stats.game_active = True
stats.reset_stats()
ship.center_ship()
bullets.empty()
enemys.empty()
booms.empty()
score.prep_images()
create_enemys(game_settings, screen, enemys, ship)
def check_events_keydown(event, game_settings, stats, screen, ship, bullets, enemys, booms, score):
if event.key == pygame.K_RIGHT:
ship.move_right = True
elif event.key == pygame.K_LEFT:
ship.move_left = True
elif event.key == pygame.K_UP:
pass
elif event.key == pygame.K_DOWN:
pass
elif event.key == pygame.K_SPACE:
fire_bullet(game_settings, screen, ship, bullets)
elif event.key == pygame.K_q:
sys.exit()
elif event.key == pygame.K_p:
start_game(game_settings, stats, screen, ship, bullets, enemys, booms, score)
def fire_bullet(game_settings, screen, ship, bullets):
if len(bullets) < game_settings.bullet_allow:
new_bullet = Bullet(game_settings, screen, ship)
new_bullet1 = Bullet(game_settings, screen, ship)
new_bullet1.rect.centerx -= 5
new_bullet2 = Bullet(game_settings, screen, ship)
new_bullet2.rect.centerx += 5
bullets.add(new_bullet)
bullets.add(new_bullet1)
bullets.add(new_bullet2)
def check_events_keyup(event, ship):
if event.key == pygame.K_RIGHT:
ship.move_right = False
elif event.key == pygame.K_LEFT:
ship.move_left = False
elif event.key == pygame.K_UP:
pass
elif event.key == pygame.K_DOWN:
pass
def update_screen(setting, stats, screen, ship, bullets, enemys, booms, play_button, score):
"""update the images on screen"""
screen.fill(setting.bg_color)
for bullet in bullets.sprites():
bullet.draw_bullet()
ship.blitme()
enemys.draw(screen)
score.show_images()
for boom in booms.sprites():
if boom.earse <= 0:
booms.remove(boom)
for boom in booms.sprites():
boom.blitme()
if not stats.game_active:
play_button.draw_button()
pygame.display.flip()
def update_bullets(game_settings, stats, screen, bullets, enemys, booms, ship, score):
bullets.update()
#delete the disappear bullets
for bullet in bullets.sprites():
if bullet.rect.bottom <= 0:
bullets.remove(bullet)
#print("current numbers of bullets is %d" % len(bullets))
check_bullet_enemy_collision(bullets, enemys, booms, game_settings, stats, screen, ship, score)
def check_bullet_enemy_collision(bullets, enemys, booms, game_settings, stats, screen, ship, score):
collisions = pygame.sprite.groupcollide(bullets, enemys, True, True)
for hit_enemys in collisions.values():
stats.score += len(hit_enemys) * game_settings.enemy_score
check_high_score(stats, score)
score.prep_score()
for enemy in hit_enemys:
new_boom = Boom(screen)
new_boom.rect.x = enemy.rect.x
new_boom.rect.y = enemy.rect.y
booms.add(new_boom)
if len(enemys) == 0:
bullets.empty()
booms.empty()
game_settings.increase_speed()
stats.level += 1
score.prep_images()
create_enemys(game_settings, screen, enemys, ship)
def check_high_score(stats, score):
if stats.high_score < stats.score:
stats.high_score = stats.score
score.prep_high_score()
def update_enemys(game_settings, screen, enemys, ship, bullets, stats, score):
check_enemys_edge(game_settings, enemys)
enemys.update()
#check collision
if pygame.sprite.spritecollideany(ship, enemys):
hit_ship(game_settings, screen, enemys, ship, bullets, stats, score)
check_enemys_bottom(game_settings, screen, enemys, ship, bullets, stats, score)
def hit_ship(game_settings, screen, enemys, ship, bullets, stats, score):
stats.ship_left -= 1
if stats.ship_left <= 0:
stats.game_active = False
pygame.mouse.set_visible(True)
score.prep_ships()
enemys.empty()
bullets.empty()
create_enemys(game_settings, screen, enemys, ship)
ship.center_ship()
sleep(1)
def check_enemys_bottom(game_settings, screen, enemys, ship, bullets, stats, score):
for enemy in enemys.sprites():
if enemy.y >= game_settings.screen_height:
hit_ship(game_settings, screen, enemys, ship, bullets, stats, score)
break
def create_enemys(game_settings, screen, enemys, ship):
enemy = Enemy(game_settings, screen)
number_enemys = get_number_of_enemys(game_settings.screen_width, enemy.rect.width)
#rows_enemys = get_rows_of_enemys(game_settings.screen_height, enemy.rect.height, ship.rect.height)
rows_enemys = 1
for row_index in range(rows_enemys):
for enemy_index in range(number_enemys):
create_enemy(game_settings, screen, enemy_index, row_index, enemys)
def get_number_of_enemys(screen_width, enemy_width):
available_space_x = screen_width - enemy_width * 2
number_enemys = int(available_space_x / (enemy_width * 2))
return number_enemys
def get_rows_of_enemys(screen_height, enemy_height, ship_height):
available_space_y = screen_height - ship_height - enemy_height * 3
rows_enemys = int(available_space_y / (enemy_height * 2))
return rows_enemys
def create_enemy(game_settings, screen, enemy_index, row_index, enemys):
enemy = Enemy(game_settings, screen)
enemy.x += enemy_index * enemy.rect.width * 2
enemy.y += row_index * enemy.rect.height * 2
enemy.rect.x = enemy.x
enemy.rect.y = enemy.y
enemys.add(enemy)
def check_enemys_edge(game_settings, enemys):
for enemy in enemys.sprites():
if enemy.check_edges():
change_enemys_direction(game_settings, enemys)
break
def change_enemys_direction(game_settings, enemys):
for enemy in enemys.sprites():
enemy.y += game_settings.enemy_drop_speed
enemy.rect.y = enemy.y
game_settings.enemy_direction *= -1
