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annotate pytouhou/game/effect.pyx @ 612:73f134f84c7f

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Request a RGB888 context, since SDL2’s default of RGB332 sucks. On X11/GLX, it will select the first config available, that is the best one, while on EGL it will iterate over them to select the one closest to what the application requested. Of course, anything lower than RGB888 looks bad and we really don’t want that.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 26 Mar 2015 20:20:37 +0100
parents e35bef07290d
children cd8a2baf468c
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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15 from pytouhou.game.sprite cimport Sprite
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16 from pytouhou.vm import ANMRunner
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18 from pytouhou.game.game cimport Game
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21 cdef class Effect(Element):
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22 def __init__(self, pos, index, anm):
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23 Element.__init__(self, pos)
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24 self.sprite = Sprite()
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25 self.anmrunner = ANMRunner(anm, index, self.sprite)
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28 cpdef update(self):
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29 if self.anmrunner is not None and not self.anmrunner.run_frame():
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30 self.anmrunner = None
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32 if self.sprite is not None:
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33 if self.sprite.removed:
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34 self.sprite = None
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35 self.removed = True
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39 cdef class Particle(Effect):
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40 def __init__(self, pos, index, anm, long amp, Game game, bint reverse=False, long duration=24):
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41 Effect.__init__(self, pos, index, anm)
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43 self.frame = 0
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44 self.duration = duration
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46 random_pos = (self.x + amp * game.prng.rand_double() - amp / 2,
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47 self.y + amp * game.prng.rand_double() - amp / 2)
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49 if not reverse:
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50 self.pos_interpolator = Interpolator((self.x, self.y), 0,
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51 random_pos, duration, formula=(lambda x: 2. * x - x ** 2))
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52 else:
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53 self.pos_interpolator = Interpolator(random_pos, 0,
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54 (self.x, self.y), duration, formula=(lambda x: 2. * x - x ** 2))
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55 self.x, self.y = random_pos
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58 cpdef update(self):
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59 Effect.update(self)
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61 self.pos_interpolator.update(self.frame)
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62 self.x, self.y = self.pos_interpolator.values
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64 self.frame += 1