Mercurial > rinkhals
view gamelib/animations.py @ 222:322e6d3a46e4
Turn 'd' into a fast forward / normal speed toggle at night
author | Neil Muller <drnlmuller@gmail.com> |
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date | Fri, 04 Sep 2009 22:38:48 +0000 |
parents | 3074784c93f4 |
children | d3d5352f5853 |
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"""Animation Loops""" from pgu.vid import Sprite import imagecache from misc import Position class Animation(Sprite): """Animation loop. These are derived from sprites, since they behave similiary in most respects, but, to ensure draw ordering, we don't add them to the sprites list. Ideally, animations should be quite short.""" def __init__(self, sequence, tile_pos): # Create the first frame self.iter = iter(sequence) Sprite.__init__(self, self.iter.next(), (-1000, -1000)) if hasattr(tile_pos, 'to_tuple'): self.pos = tile_pos else: self.pos = Position(tile_pos[0], tile_pos[1]) self.removed = False def fix_pos(self, tv): ppos = tv.tile_to_view(self.pos.to_tuple()) self.rect.x = ppos[0] self.rect.y = ppos[1] def animate(self): """Step to the next frame. Set removed flag when we hit the end of the sequence""" try: self.setimage(self.iter.next()) except StopIteration: self.removed = True class MuzzleFlash(Animation): SEQUENCE_LEFT = [imagecache.load_image('sprites/muzzle_flash.png')] SEQUENCE_RIGHT = [imagecache.load_image('sprites/muzzle_flash.png', ("right_facing",))] def __init__(self, chicken): if chicken.facing == 'right': Animation.__init__(self, self.SEQUENCE_RIGHT, chicken.pos) else: Animation.__init__(self, self.SEQUENCE_LEFT, chicken.pos)