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comparison gamelib/animal.py @ 53:f20dd3dcb118

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foxes don't run backwards
author Adrianna Pińska <adrianna.pinska@gmail.com>
date Mon, 31 Aug 2009 17:47:10 +0000
parents be2496df2368
children d92a2f973cc4
comparison
equal deleted inserted replaced
52:0d4799866bcf 53:f20dd3dcb118
5 import imagecache 5 import imagecache
6 6
7 class Animal(Sprite): 7 class Animal(Sprite):
8 """Base class for animals""" 8 """Base class for animals"""
9 9
10 def __init__(self, image, pos): 10 def __init__(self, image_left, image_right, pos):
11 # Create the animal somewhere far off screen 11 # Create the animal somewhere far off screen
12 Sprite.__init__(self, image, (-1000, -1000)) 12 Sprite.__init__(self, image_left, (-1000, -1000))
13 self.image_left = image_left
14 self.image_right = image_right
13 self.pos = pos 15 self.pos = pos
14 16
15 def loop(self, tv, _sprite): 17 def loop(self, tv, _sprite):
16 ppos = tv.tile_to_view(self.pos) 18 ppos = tv.tile_to_view(self.pos)
17 self.rect.x = ppos[0] 19 self.rect.x = ppos[0]
24 26
25 class Chicken(Animal): 27 class Chicken(Animal):
26 """A chicken""" 28 """A chicken"""
27 29
28 def __init__(self, pos): 30 def __init__(self, pos):
29 image = imagecache.load_image('sprites/chkn.png') 31 image_left = imagecache.load_image('sprites/chkn.png')
30 Animal.__init__(self, image, pos) 32 image_right = imagecache.load_image('sprites/chkn.png', ("right_facing",))
33 Animal.__init__(self, image_left, image_right, pos)
31 34
32 def move(self, gameboard): 35 def move(self, gameboard):
33 """A free chicken will move away from other free chickens""" 36 """A free chicken will move away from other free chickens"""
34 return self.pos 37 return self.pos
35 38
36 class Egg(Animal): 39 class Egg(Animal):
37 """An egg""" 40 """An egg"""
38 41
39 def __init__(self, pos): 42 def __init__(self, pos):
40 image = imagecache.load_image('sprites/egg.png') 43 image = imagecache.load_image('sprites/egg.png')
41 Animal.__init__(self, image, pos) 44 Animal.__init__(self, image, image, pos)
42 45
43 # Eggs don't move 46 # Eggs don't move
44 47
45 class Fox(Animal): 48 class Fox(Animal):
46 """A fox""" 49 """A fox"""
47 50
48 def __init__(self, pos): 51 def __init__(self, pos):
49 image = imagecache.load_image('sprites/fox.png') 52 image_left = imagecache.load_image('sprites/fox.png')
53 image_right = imagecache.load_image('sprites/fox.png', ("right_facing",))
50 self.full = False 54 self.full = False
51 Animal.__init__(self, image, pos) 55 Animal.__init__(self, image_left, image_right, pos)
52 56
53 def move(self, gameboard): 57 def move(self, gameboard):
54 """Foxes will aim to move towards the closest henhouse or free 58 """Foxes will aim to move towards the closest henhouse or free
55 chicken""" 59 chicken"""
56 if self.full: 60 if self.full:
67 min_vec = vec 71 min_vec = vec
68 closest = chicken 72 closest = chicken
69 xpos, ypos = self.pos 73 xpos, ypos = self.pos
70 if min_vec[0] < 0: 74 if min_vec[0] < 0:
71 xpos -= 1 75 xpos -= 1
76 self.setimage(self.image_left)
72 elif min_vec[0] > 0: 77 elif min_vec[0] > 0:
73 xpos += 1 78 xpos += 1
79 self.setimage(self.image_right)
74 if min_vec[1] < 0: 80 if min_vec[1] < 0:
75 ypos -= 1 81 ypos -= 1
76 elif min_vec[1] > 0: 82 elif min_vec[1] > 0:
77 ypos += 1 83 ypos += 1
78 if closest.pos == self.pos: 84 if closest.pos == self.pos: