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annotate pytouhou/game/sprite.py @ 113:732c64662f87

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Minor changes
author Thibaut Girka <thib@sitedethib.com>
date Wed, 07 Sep 2011 00:17:11 +0200
parents 2a03940deea3
children 4300a832f033
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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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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14
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15
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16 from pytouhou.utils.interpolator import Interpolator
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18
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19 class Sprite(object):
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20 def __init__(self):
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21 self.anm = None
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22 self._removed = False
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23 self._changed = False
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24
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25 self.width_override = 0
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26 self.height_override = 0
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27 self.angle = 0
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28 self.force_rotation = False
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30 self.scale_interpolator = None
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31 self.fade_interpolator = None
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32 self.offset_interpolator = None
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34 self.automatic_orientation = False
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35
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36 self.blendfunc = 0 # 0 = Normal, 1 = saturate #TODO: proper constants
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37
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38 self.texcoords = (0, 0, 0, 0) # x, y, width, height
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39 self.dest_offset = (0., 0., 0.)
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40 self.allow_dest_offset = False
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41 self.texoffsets = (0., 0.)
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42 self.mirrored = False
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43 self.rescale = (1., 1.)
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44 self.scale_speed = (0., 0.)
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45 self.rotations_3d = (0., 0., 0.)
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46 self.rotations_speed_3d = (0., 0., 0.)
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47 self.corner_relative_placement = False
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48 self.frame = 0
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49 self.color = (255, 255, 255)
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50 self.alpha = 255
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52 self._rendering_data = None
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55 def fade(self, duration, alpha, formula):
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56 if not self.fade_interpolator:
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57 self.fade_interpolator = Interpolator((self.alpha,), formula)
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58 self.fade_interpolator.set_interpolation_start(self.frame, (self.alpha,))
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59 self.fade_interpolator.set_interpolation_end(self.frame + duration - 1, (alpha,))
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61
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62 def scale_in(self, duration, sx, sy, formula):
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63 if not self.scale_interpolator:
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64 self.scale_interpolator = Interpolator(self.rescale, formula)
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65 self.scale_interpolator.set_interpolation_start(self.frame, self.rescale)
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66 self.scale_interpolator.set_interpolation_end(self.frame + duration - 1, (sx, sy))
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68
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69 def move_in(self, duration, x, y, z, formula):
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70 if not self.offset_interpolator:
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71 self.offset_interpolator = Interpolator(self.dest_offset, formula)
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72 self.offset_interpolator.set_interpolation_start(self.frame, self.dest_offset)
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73 self.offset_interpolator.set_interpolation_end(self.frame + duration - 1, (x, y, z))
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76 def update(self, override_width=0, override_height=0, angle_base=0., force_rotation=False):
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77 if (override_width != self.width_override
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78 or override_height != self.height_override
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79 or self.angle != angle_base
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80 or self.force_rotation != force_rotation
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81 or self.scale_interpolator
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82 or self.fade_interpolator
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83 or self.offset_interpolator):
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85 self._changed = True
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86 self.width_override = override_width
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87 self.height_override = override_height
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88 self.angle = angle_base
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89 self.force_rotation = force_rotation
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91 if self.rotations_speed_3d != (0., 0., 0.):
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92 ax, ay, az = self.rotations_3d
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93 sax, say, saz = self.rotations_speed_3d
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94 self.rotations_3d = ax + sax, ay + say, az + saz
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95 self._changed = True
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97 if self.scale_speed != (0., 0.):
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98 rx, ry = self.rescale
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99 rsx, rsy = self.scale_speed
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100 self.rescale = rx + rsx, ry + rsy
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101 self._changed = True
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102
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103 self.frame += 1
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