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annotate gamelib/animations.py @ 600:f9276a4f7bdf

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rooster sprite
author Adrianna Pińska <adrianna.pinska@gmail.com>
date Thu, 03 Dec 2009 19:29:54 +0000
parents e65536ca215b
children
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1 """Animation Loops"""
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2
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3 from pgu.vid import Sprite
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4
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5 import imagecache
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6
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7 class Animation(Sprite):
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8 """Animation loop.
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9
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10 These are derived from sprites, since they behave similiary in most
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11 respects. Ideally, animations should be quite short."""
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12 # In the current implementation, sequences longer than 4 frames
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13 # will overrun the next move loop.
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14 # (assuming all animations are triggered by the move loop, of course)
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16 def __init__(self, tv, tile_pos, sequence=None, layer='animations'):
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17 # Create the first frame
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18 if sequence is None:
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19 sequence = self.SEQUENCE
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20 self.iter = iter(sequence)
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21 self.layer = layer
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22 Sprite.__init__(self, self.iter.next(), tv.tile_to_view(tile_pos))
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23 tv.sprites.append(self, layer=self.layer)
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24
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25 def loop(self, tv, s):
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26 """Step to the next frame, removing sprite when done."""
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27 try:
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28 self.setimage(self.iter.next())
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29 except StopIteration:
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30 tv.sprites.remove(self, layer=self.layer)
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32 class WeaponAnimation(Animation):
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33 def __init__(self, tv, wielder, layer='animations'):
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34 if wielder.facing == 'right':
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35 Animation.__init__(self, tv, wielder.pos.to_tile_tuple(), self.SEQUENCE_RIGHT, layer=layer)
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36 else:
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37 Animation.__init__(self, tv, wielder.pos.to_tile_tuple(), self.SEQUENCE_LEFT, layer=layer)
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40 class MuzzleFlash(WeaponAnimation):
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41 FLASH_LEFT = imagecache.load_image('sprites/muzzle_flash.png')
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42 FLASH_RIGHT = imagecache.load_image('sprites/muzzle_flash.png', ("right_facing",))
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43 SEQUENCE_LEFT = [FLASH_LEFT, FLASH_LEFT]
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44 SEQUENCE_RIGHT = [FLASH_RIGHT, FLASH_RIGHT]
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46 class FenceExplosion(Animation):
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47 FLASH_1 = imagecache.load_image('sprites/boom1.png')
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48 FLASH_2 = imagecache.load_image('sprites/boom2.png')
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49 FLASH_3 = imagecache.load_image('sprites/boom3.png')
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50 FLASH_4 = imagecache.load_image('sprites/boom4.png')
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51 SEQUENCE = [FLASH_1, FLASH_2, FLASH_3, FLASH_4]
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53 class FoxDeath(Animation):
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54 BLOOD_SPLAT = imagecache.load_image('sprites/fox_death.png')
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55 SEQUENCE = [BLOOD_SPLAT, BLOOD_SPLAT]
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56
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57 class ChickenDeath(Animation):
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58 BLOOD_SPLAT = imagecache.load_image('sprites/fox_death.png')
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59 FEATHER_SPLAT = imagecache.load_image('sprites/chkn_death.png')
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60 SEQUENCE = [BLOOD_SPLAT, FEATHER_SPLAT, FEATHER_SPLAT]