pygame系列_箭刺Elephant游戏

这个游戏原名为：Chimp，我们可以到：

http://www.pygame.org/docs/tut/chimp/ChimpLineByLine.html

获取到源码和详细的源码讲解

下面是我对游戏的改编：

运行效果：

当箭刺到大象的时候，大象的身体就会翻转，并且发出声音，当然没有刺到的时候，也会发出另外的声音。

在游戏中，有很多地方值得我们参考，如加载图片，声音和异常处理等

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代码部分：

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  1 #python elephant
  2
  3 #Import Modules
  4 import os, pygame
  5 from pygame.locals import *
  6
  7 __author__ = {'name' : 'Hongten',
  8               'mail' : 'hongtenzone@foxmail.com',
  9               'blog' : 'http://www.cnblogs.com/hongten',
 10               'QQ'   : '648719819',
 11               'Version' : '1.0'}
 12
 13 if not pygame.font: print('Warning, fonts disabled')
 14 if not pygame.mixer: print('Warning, sound disabled')
 15
 16
 17 #functions to create our resources
 18 def load_image(name, colorkey=None):
 19     fullname = os.path.join('data', name)
 20     try:
 21         image = pygame.image.load(fullname)
 22     except pygame.error as message:
 23         print('Cannot load image:', fullname)
 24         raise (SystemExit, message)
 25     image = image.convert()
 26     if colorkey is not None:
 27         if colorkey is -1:
 28             colorkey = image.get_at((0,0))
 29         image.set_colorkey(colorkey, RLEACCEL)
 30     return image, image.get_rect()
 31
 32 def load_sound(name):
 33     class NoneSound:
 34         def play(self): pass
 35     if not pygame.mixer or not pygame.mixer.get_init():
 36         return NoneSound()
 37     fullname = os.path.join('data', name)
 38     try:
 39         sound = pygame.mixer.Sound(fullname)
 40     except pygame.error as message:
 41         print('Cannot load sound:', fullname)
 42         raise (SystemExit, message)
 43     return sound
 44
 45
 46 #classes for our game objects
 47 class Spear(pygame.sprite.Sprite):
 48     """moves a clenched spear on the screen, following the mouse"""
 49     def __init__(self):
 50         pygame.sprite.Sprite.__init__(self) #call Sprite initializer
 51         self.image, self.rect = load_image('spear-w.png', -1)
 52         self.punching = 0
 53
 54     def update(self):
 55         "move the spear based on the mouse position"
 56         pos = pygame.mouse.get_pos()
 57         self.rect.midtop = pos
 58         if self.punching:
 59             self.rect.move_ip(5, 10)
 60
 61     def punch(self, target):
 62         "returns true if the spear collides with the target"
 63         if not self.punching:
 64             self.punching = 1
 65             hitbox = self.rect.inflate(-5, -5)
 66             return hitbox.colliderect(target.rect)
 67
 68     def unpunch(self):
 69         "called to pull the spear back"
 70         self.punching = 0
 71
 72
 73 class Elephant(pygame.sprite.Sprite):
 74     """moves a elephant critter across the screen. it can spin the
 75        monkey when it is punched."""
 76     def __init__(self):
 77         pygame.sprite.Sprite.__init__(self) #call Sprite intializer
 78         self.image, self.rect = load_image('elephant-nw.png', -1)
 79         screen = pygame.display.get_surface()
 80         self.area = screen.get_rect()
 81         self.rect.topleft = 10, 10
 82         self.move = 9
 83         self.dizzy = 0
 84
 85     def update(self):
 86         "walk or spin, depending on the monkeys state"
 87         if self.dizzy:
 88             self._spin()
 89         else:
 90             self._walk()
 91
 92     def _walk(self):
 93         "move the monkey across the screen, and turn at the ends"
 94         newpos = self.rect.move((self.move, 0))
 95         if self.rect.left < self.area.left or \
 96            self.rect.right > self.area.right:
 97             self.move = -self.move
 98             newpos = self.rect.move((self.move, 0))
 99             self.image = pygame.transform.flip(self.image, 1, 0)
100         self.rect = newpos
101
102     def _spin(self):
103         "spin the monkey image"
104         center = self.rect.center
105         self.dizzy = self.dizzy + 12
106         if self.dizzy >= 360:
107             self.dizzy = 0
108             self.image = self.original
109         else:
110             rotate = pygame.transform.rotate
111             self.image = rotate(self.original, self.dizzy)
112         self.rect = self.image.get_rect(center=center)
113
114     def punched(self):
115         "this will cause the monkey to start spinning"
116         if not self.dizzy:
117             self.dizzy = 1
118             self.original = self.image
119
120
121 def main():
122     """this function is called when the program starts.
123        it initializes everything it needs, then runs in
124        a loop until the function returns."""
125 #Initialize Everything
126     pygame.init()
127     screen = pygame.display.set_mode((468, 60))
128     pygame.display.set_caption('Monkey Fever')
129     pygame.mouse.set_visible(0)
130
131 #Create The Backgound
132     background = pygame.Surface(screen.get_size())
133     background = background.convert()
134     background.fill((250, 250, 250))
135
136 #Put Text On The Background, Centered
137     if pygame.font:
138         font = pygame.font.Font(None, 36)
139         text = font.render("Pummel The Elephant, And Win $$$", 1, (10, 10, 10))
140         textpos = text.get_rect(centerx=background.get_width()/2)
141         background.blit(text, textpos)
142
143 #Display The Background
144     screen.blit(background, (0, 0))
145     pygame.display.flip()
146
147 #Prepare Game Objects
148     clock = pygame.time.Clock()
149     whiff_sound = load_sound('elephant-jump.wav')
150     punch_sound = load_sound('elephant-mmove.wav')
151     elephant = Elephant()
152     spear = Spear()
153     allsprites = pygame.sprite.RenderPlain((spear, elephant))
154
155 #Main Loop
156     while 1:
157         clock.tick(60)
158
159     #Handle Input Events
160         for event in pygame.event.get():
161             if event.type == QUIT:
162                 return
163             elif event.type == KEYDOWN and event.key == K_ESCAPE:
164                 return
165             elif event.type == MOUSEBUTTONDOWN:
166                 if spear.punch(elephant):
167                     punch_sound.play() #punch
168                     elephant.punched()
169                 else:
170                     whiff_sound.play() #miss
171             elif event.type is MOUSEBUTTONUP:
172                 spear.unpunch()
173
174         allsprites.update()
175
176     #Draw Everything
177         screen.blit(background, (0, 0))
178         allsprites.draw(screen)
179         pygame.display.flip()
180
181 #Game Over
182
183
184 #this calls the 'main' function when this script is executed
185 if __name__ == '__main__': main()

源码下载：http://files.cnblogs.com/liuzhi/spear_elephant.zip