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comparison pytouhou/game/effect.pyx @ 443:cae83b963695

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Make pytouhou.game.effect an extension type.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 17 Aug 2013 02:36:05 +0200
parents pytouhou/game/effect.py@b9d2db93972f
children 78e1c3864e73
comparison
equal deleted inserted replaced
442:6b4c3e250bd6 443:cae83b963695
1 # -*- encoding: utf-8 -*-
2 ##
3 ## Copyright (C) 2011 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
4 ##
5 ## This program is free software; you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published
7 ## by the Free Software Foundation; version 3 only.
8 ##
9 ## This program is distributed in the hope that it will be useful,
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details.
13 ##
14
15 from pytouhou.game.sprite cimport Sprite
16 from pytouhou.vm.anmrunner import ANMRunner
17
18
19 cdef class Effect(Element):
20 def __init__(self, pos, index, anm):
21 Element.__init__(self, pos)
22 self.sprite = Sprite()
23 self.anmrunner = ANMRunner(anm, index, self.sprite)
24
25
26 cpdef update(self):
27 if self.anmrunner is not None and not self.anmrunner.run_frame():
28 self.anmrunner = None
29
30 if self.sprite is not None:
31 if self.sprite.removed:
32 self.sprite = None
33 self.removed = True
34
35
36
37 cdef class Particle(Effect):
38 def __init__(self, pos, index, anm, long amp, game, bint reverse=False, long duration=24):
39 Effect.__init__(self, pos, index, anm)
40
41 self.frame = 0
42 self.duration = duration
43
44 random_pos = (self.x + amp * <double>game.prng.rand_double() - amp / 2,
45 self.y + amp * <double>game.prng.rand_double() - amp / 2)
46
47 if not reverse:
48 self.pos_interpolator = Interpolator((self.x, self.y), 0,
49 random_pos, duration, formula=(lambda x: 2. * x - x ** 2))
50 else:
51 self.pos_interpolator = Interpolator(random_pos, 0,
52 (self.x, self.y), duration, formula=(lambda x: 2. * x - x ** 2))
53 self.x, self.y = random_pos
54
55
56 cpdef update(self):
57 Effect.update(self)
58
59 self.pos_interpolator.update(self.frame)
60 self.x, self.y = self.pos_interpolator.values
61
62 self.frame += 1