源码及注释:
import pygame from sys import exit from random import randint import time import os # 定义窗口分辨率 screen_width = 700 screen_height = 600 current_path = os.path.abspath(os.path.dirname(__file__)) root_path = current_path[:current_path.find("monkey-picking-peach\\") + len("monkey-picking-peach\\")] \ + "resource\\images\\" # 图片 background_image_path = root_path + "background.jpg" monkey_image_path = root_path + "monkey.png" apple_image_path = root_path + "apple.png" jump_status = false over_flag = false start_time = none offset = {pygame.k_left: 0, pygame.k_right: 0, pygame.k_up: 0, pygame.k_down: 0} # 定义画面帧率 frame_rate = 60 # 定义动画周期(帧数) animate_cycle = 30 ticks = 0 clock = pygame.time.clock() # 猴子类 class monkey(pygame.sprite.sprite): # 苹果的数量 apple_num = 0 def __init__(self, mon_surface, monkey_pos): pygame.sprite.sprite.__init__(self) self.image = mon_surface self.rect = self.image.get_rect() self.rect.topleft = monkey_pos self.speed = 5 # 控制猴子的移动 def move(self, _offset): global jump_status x = self.rect.left + _offset[pygame.k_right] - _offset[pygame.k_left] y = self.rect.top + _offset[pygame.k_down] - _offset[pygame.k_up] if y < 0: self.rect.top = 0 jump_status = true elif y >= screen_height - self.rect.height: self.rect.top = screen_height - self.rect.height jump_status = false else: self.rect.top = y jump_status = true if x < 0: self.rect.left = 0 elif x > screen_width - self.rect.width: self.rect.left = screen_width - self.rect.width else: self.rect.left = x # 接苹果 def picking_apple(self, app_group): # 判断接到几个苹果 picked_apples = pygame.sprite.spritecollide(self, app_group, true) # 添加分数 self.apple_num += len(picked_apples) # 接到的苹果消失 for picked_apple in picked_apples: picked_apple.kill() # 苹果类 class apple(pygame.sprite.sprite): def __init__(self, app_surface, apple_pos): pygame.sprite.sprite.__init__(self) self.image = app_surface self.rect = self.image.get_rect() self.rect.topleft = apple_pos self.speed = 1 def update(self): global start_time if start_time is none: start_time = time.time() self.rect.top += (self.speed * (1 + (time.time() - start_time) / 40)) if self.rect.top > screen_height: # 苹果落地游戏结束 global over_flag over_flag = true self.kill() # 初始化游戏 pygame.init() screen = pygame.display.set_mode((screen_width, screen_height)) pygame.display.set_caption("猴子接苹果") # 载入图片 background_surface = pygame.image.load(background_image_path).convert() monkey_surface = pygame.image.load(monkey_image_path).convert_alpha() apple_surface = pygame.image.load(apple_image_path).convert_alpha() # 创建猴子 monkey = monkey(monkey_surface, (200, 500)) # 创建苹果组 apple_group = pygame.sprite.group() # 分数字体 score_font = pygame.font.sysfont("arial", 40) # 主循环 while true: if over_flag: break # 控制游戏最大帧率 clock.tick(frame_rate) # 绘制背景 screen.blit(background_surface, (0, 0)) if ticks >= animate_cycle: ticks = 0 # 产生苹果 if ticks % 30 == 0: apple = apple(apple_surface, [randint(0, screen_width - apple_surface.get_width()), -apple_surface.get_height()]) apple_group.add(apple) # 控制苹果 apple_group.update() # 绘制苹果组 apple_group.draw(screen) # 绘制猴子 screen.blit(monkey_surface, monkey.rect) ticks += 1 # 接苹果 monkey.picking_apple(apple_group) # 更新分数 score_surface = score_font.render(str(monkey.apple_num), true, (0, 0, 255)) screen.blit(score_surface, (620, 10)) # 更新屏幕 pygame.display.update() for event in pygame.event.get(): if event.type == pygame.quit: pygame.quit() exit() # 控制方向 if event.type == pygame.keydown: if event.key in offset: if event.key == pygame.k_up: offset[event.key] = 80 else: offset[event.key] = monkey.speed elif event.type == pygame.keyup: if event.key in offset: offset[event.key] = 0 # 移动猴子 if jump_status: offset[pygame.k_down] = 5 offset[pygame.k_up] = 0 monkey.move(offset) # 游戏结束推出界面 score_surface = score_font.render(str(monkey.apple_num), true, (0, 0, 255)) over_surface = score_font.render(u"game over!", true, (0, 0, 255)) screen.blit(background_surface, (0, 0)) screen.blit(score_surface, (620, 10)) screen.blit(over_surface, (250, 270)) while true: pygame.display.update() for event in pygame.event.get(): if event.type == pygame.quit: pygame.quit() exit()
食用指南: 使用的图片
monkey.png:
background.jpg:
apple.png:
这是我的文件目录,学习者也可改为自己的:
更改的代码位置:
root_path = current_path[:current_path.find("monkey-picking-peach\\") + len("monkey-picking-peach\\")] \ + "resource\\images\\"
游戏截图:
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