1 # Brassica rapa extraterrestrialus, the common space turnip
4 import pymunk.pygame_util
6 import pygame.transform
8 from .loader import loader
9 from .constants import TURNIP_CATEGORY, LIGHT_CATEGORY
12 TURNIP_FILTER = pymunk.ShapeFilter(
13 mask=pymunk.ShapeFilter.ALL_MASKS ^ LIGHT_CATEGORY,
14 categories=TURNIP_CATEGORY)
17 class TurnipInvalidPosition(Exception):
24 def __init__(self, **kwargs):
25 self._age = kwargs.get('age', 0)
26 self._pos = kwargs.get('pos', (0, 0))
27 space = kwargs.get('space', None)
28 self._rotation = 90 * (hash(tuple(self._pos)) % 4)
30 self.eaten = False # Flag for boyd
31 self._body = pymunk.Body(0, 0, pymunk.Body.STATIC)
32 self._shape = pymunk.Circle(self._body, self.TURNIP_RADIUS)
33 self._shape.filter = TURNIP_FILTER
34 self._body.position = pymunk.pygame_util.from_pygame(
35 self._pos, pygame.display.get_surface())
36 # Add a reference so space query can get the object
37 self._body.turnip = self
38 if space.shape_query(self._shape):
39 raise TurnipInvalidPosition()
40 space.add(self._body, self._shape)
42 def _update_image(self):
43 self._image = loader.load_image('48', 'turnip%d.png' % (self._age + 1))
44 self._image = pygame.transform.rotate(self._image, self._rotation)
46 def render(self, surface):
48 surface.blit(self._image, (rx - self.TURNIP_RADIUS, ry - self.TURNIP_RADIUS), None)
51 return {'age': self._age, 'pos': self._pos}
54 self._body.turnip = None
55 space = self._body.space
56 space.remove(self._body, self._shape)
61 # Mature, so harvest it for seeds
63 return random.randint(1, 3)