本文实例讲述了python基于pygame实现响应游戏中事件的方法。分享给大家供大家参考,具体如下:
先看一下我做的demo效果:
当玩家按下键盘上的:上,下,左,右键的时候,后台会打印出玩家所按键的数字值,而图形会随之移动
这是客观上面存在的现象。
那么啥是事件呢?
你叫我做出定义,我不知道,我只能举个例子说明,例如接下来的代码中,列出来一些关于游戏中的事件
''' 事件 产生途径 参数 QUIT 用户按下关闭按钮 none ATIVEEVENT Pygame被激活或者隐藏 gain, state KEYDOWN 键盘被按下 unicode, key, mod KEYUP 键盘被放开 key, mod MOUSEMOTION 鼠标移动 pos, rel, buttons MOUSEBUTTONDOWN 鼠标按下 pos, button MOUSEBUTTONUP 鼠标放开 pos, button JOYAXISMOTION 游戏手柄(Joystick or pad)移动 joy, axis, value JOYBALLMOTION 游戏球(Joy ball)?移动 joy, axis, value JOYHATMOTION 游戏手柄(Joystick)?移动 joy, axis, value JOYBUTTONDOWN 游戏手柄按下 joy, button JOYBUTTONUP 游戏手柄放开 joy, button VIDEORESIZE Pygame窗口缩放 size, w, h VIDEOEXPOSE Pygame窗口部分公开(expose) none USEREVENT 触发了一个用户事件 code '''
如鼠标按下事件,鼠标放开事件,键盘按下事件.....
这些事件的发生都伴随着一个动作的发生,正是因为有动作的发生,所以我们才可以扑捉到这些动作,从而做出相应的反应
如,我们按下键盘的左键,图片就向左移动一段距离...
代码部分如下:
#handle the key event import pygame from pygame.locals import * from sys import exit ''' 事件 产生途径 参数 QUIT 用户按下关闭按钮 none ATIVEEVENT Pygame被激活或者隐藏 gain, state KEYDOWN 键盘被按下 unicode, key, mod KEYUP 键盘被放开 key, mod MOUSEMOTION 鼠标移动 pos, rel, buttons MOUSEBUTTONDOWN 鼠标按下 pos, button MOUSEBUTTONUP 鼠标放开 pos, button JOYAXISMOTION 游戏手柄(Joystick or pad)移动 joy, axis, value JOYBALLMOTION 游戏球(Joy ball)?移动 joy, axis, value JOYHATMOTION 游戏手柄(Joystick)?移动 joy, axis, value JOYBUTTONDOWN 游戏手柄按下 joy, button JOYBUTTONUP 游戏手柄放开 joy, button VIDEORESIZE Pygame窗口缩放 size, w, h VIDEOEXPOSE Pygame窗口部分公开(expose) none USEREVENT 触发了一个用户事件 code ''' __author__ = {'name' : 'Hongten', 'mail' : 'hongtenzone@foxmail.com', 'QQ' : '648719819', 'Version' : '1.0'} BG_IMAGE = 'C:\\py\\ball.png' pygame.init() screen = pygame.display.set_mode((500, 500), 0, 32) bg = pygame.image.load(BG_IMAGE).convert() x, y = 0, 0 move_x, move_y = 0, 0 while 1: for event in pygame.event.get(): #print(event.type) if event.type == QUIT: exit() if event.type == KEYDOWN: print(event.key) #event.key返回的是一个数字值,而K_LEFT,K_UP,K_RIGHT,K_DOWN等都是常量, #他们代表的也是一个数字值,这些数字值可以用:print(event.key)获取到 #如:K_LEFT = 276 # K_UP = 273 #所以下面的代码可以替换为: #if event.key == 276: # move_x = -10 if event.key == K_LEFT: move_x = -10 elif event.key == K_UP: move_y = -10 elif event.key == K_RIGHT: move_x = 10 elif event.key == K_DOWN: move_y = 10 elif event.type == KEYUP: move_x = 0 move_y = 0 x += move_x y += move_y #print(x, y) screen.fill((0, 0, 0)) screen.blit(bg, (x, y)) pygame.display.update()
完整实例代码代码点击此处本站下载。
希望本文所述对大家Python程序设计有所帮助。

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