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annotate pytouhou/game/sprite.pyx @ 529:bd0c15d28dd6

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Always verify chunks are not None before using them, fix crash when audio is disabled.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 23 Mar 2014 10:51:19 +0100
parents 0b2a92a25245
children dacdcca59b66
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ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
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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 cdef class Sprite:
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16 def __init__(self, width_override=0, height_override=0):
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17 self.anm = None
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18 self.removed = False
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19 self.changed = True
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20 self.visible = True
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22 self.width_override = width_override
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23 self.height_override = height_override
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24 self.angle = 0
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25 self.force_rotation = False
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26
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27 self.scale_interpolator = None
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28 self.fade_interpolator = None
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29 self.offset_interpolator = None
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30 self.rotation_interpolator = None
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31 self.color_interpolator = None
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33 self.automatic_orientation = False
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34
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35 self.blendfunc = 0 # 0 = Normal, 1 = saturate #TODO: proper constants
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37 self._texcoords[:] = [0, 0, 0, 0] # x, y, width, height
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38 self._dest_offset[:] = [0., 0., 0.]
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39 self.allow_dest_offset = False
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40 self._texoffsets[:] = [0., 0.]
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41 self.mirrored = False
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42 self._rescale[:] = [1., 1.]
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43 self._scale_speed[:] = [0., 0.]
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44 self._rotations_3d[:] = [0., 0., 0.]
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45 self._rotations_speed_3d[:] = [0., 0., 0.]
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46 self.corner_relative_placement = False
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47 self.frame = 0
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48
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49 # Cython treats unsigned char* variables as bytes, so we can’t use
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50 # slicing here.
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51 for i in xrange(4):
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52 self._color[i] = 255
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53
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54 self._rendering_data = None
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57 property scale_speed:
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58 def __get__(self):
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59 return (self._scale_speed[0], self._scale_speed[1])
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60 def __set__(self, value):
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61 self._scale_speed[:] = [value[0], value[1]]
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62
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63 property texoffsets:
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64 def __get__(self):
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65 return (self._texoffsets[0], self._texoffsets[1])
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66 def __set__(self, value):
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67 self._texoffsets[:] = [value[0], value[1]]
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68
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69 property rescale:
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70 def __get__(self):
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71 return (self._rescale[0], self._rescale[1])
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72 def __set__(self, value):
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73 self._rescale[:] = [value[0], value[1]]
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74
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75 property dest_offset:
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76 def __get__(self):
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77 return (self._dest_offset[0], self._dest_offset[1], self._dest_offset[2])
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78 def __set__(self, value):
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79 self._dest_offset[:] = [value[0], value[1], value[2]]
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80
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81 property rotations_speed_3d:
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82 def __get__(self):
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83 return (self._rotations_speed_3d[0], self._rotations_speed_3d[1], self._rotations_speed_3d[2])
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84 def __set__(self, value):
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85 self._rotations_speed_3d[:] = [value[0], value[1], value[2]]
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86
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87 property rotations_3d:
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88 def __get__(self):
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89 return (self._rotations_3d[0], self._rotations_3d[1], self._rotations_3d[2])
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90 def __set__(self, value):
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91 self._rotations_3d[:] = [value[0], value[1], value[2]]
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92
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93 property color:
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94 def __get__(self):
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95 return (self._color[0], self._color[1], self._color[2])
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96 def __set__(self, value):
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97 self._color[0] = value[0]
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98 self._color[1] = value[1]
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99 self._color[2] = value[2]
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100
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101 property alpha:
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102 def __get__(self):
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103 return self._color[3]
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104 def __set__(self, value):
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105 self._color[3] = value
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106
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107 property texcoords:
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108 def __get__(self):
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109 return (self._texcoords[0], self._texcoords[1], self._texcoords[2], self._texcoords[3])
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110 def __set__(self, value):
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111 self._texcoords[:] = [value[0], value[1], value[2], value[3]]
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112
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113
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114 cpdef fade(self, unsigned long duration, alpha, formula=None):
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115 self.fade_interpolator = Interpolator((self._color[3],), self.frame,
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116 (alpha,), self.frame + duration,
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117 formula)
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119
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120 cpdef scale_in(self, unsigned long duration, sx, sy, formula=None):
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121 self.scale_interpolator = Interpolator(self.rescale, self.frame,
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122 (sx, sy), self.frame + duration,
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123 formula)
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124
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125
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126 cpdef move_in(self, unsigned long duration, x, y, z, formula=None):
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127 self.offset_interpolator = Interpolator(self.dest_offset, self.frame,
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128 (x, y, z), self.frame + duration,
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129 formula)
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130
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131
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132 cpdef rotate_in(self, unsigned long duration, rx, ry, rz, formula=None):
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133 self.rotation_interpolator = Interpolator(self.rotations_3d, self.frame,
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134 (rx, ry, rz), self.frame + duration,
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135 formula)
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136
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137
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138 cpdef change_color_in(self, unsigned long duration, r, g, b, formula=None):
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139 self.color_interpolator = Interpolator(self.color, self.frame,
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140 (r, g, b), self.frame + duration,
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141 formula)
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142
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143
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144 cpdef update_orientation(self, double angle_base=0., bint force_rotation=False):
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145 if (self.angle != angle_base or self.force_rotation != force_rotation):
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146 self.angle = angle_base
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147 self.force_rotation = force_rotation
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148 self.changed = True
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149
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150
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151 cpdef Sprite copy(self):
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152 sprite = Sprite(self.width_override, self.height_override)
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153
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154 sprite.blendfunc = self.blendfunc
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155 sprite.frame = self.frame
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156 sprite.angle = self.angle
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157
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158 sprite.removed = self.removed
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159 sprite.changed = self.changed
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160 sprite.visible = self.visible
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161 sprite.force_rotation = self.force_rotation
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162 sprite.automatic_orientation = self.automatic_orientation
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163 sprite.allow_dest_offset = self.allow_dest_offset
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164 sprite.mirrored = self.mirrored
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165 sprite.corner_relative_placement = self.corner_relative_placement
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166
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167 sprite.scale_interpolator = self.scale_interpolator
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168 sprite.fade_interpolator = self.fade_interpolator
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169 sprite.offset_interpolator = self.offset_interpolator
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170 sprite.rotation_interpolator = self.rotation_interpolator
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171 sprite.color_interpolator = self.color_interpolator
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172
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173 sprite.texcoords = self.texcoords
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174 sprite.dest_offset = self.dest_offset
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175 sprite.texoffsets = self.texoffsets
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176 sprite.rescale = self.rescale
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177 sprite.scale_speed = self.scale_speed
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178 sprite.rotations_3d = self.rotations_3d
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179 sprite.rotations_speed_3d = self.rotations_speed_3d
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180 sprite.color = self.color
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181
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182 sprite.alpha = self.alpha
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183 sprite.anm = self.anm
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184 sprite._rendering_data = self._rendering_data
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185
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186 return sprite
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187
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188
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189 cpdef update(self):
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190 self.frame += 1
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191
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192 sax, say, saz = self._rotations_speed_3d[0], self._rotations_speed_3d[1], self._rotations_speed_3d[2] #XXX
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193 if sax or say or saz:
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194 ax, ay, az = self._rotations_3d[0], self._rotations_3d[1], self._rotations_3d[2] #XXX
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195 self._rotations_3d[:] = [ax + sax, ay + say, az + saz]
432
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196 self.changed = True
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197 elif self.rotation_interpolator:
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198 self.rotation_interpolator.update(self.frame)
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199 self.rotations_3d = self.rotation_interpolator.values
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200 self.changed = True
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201
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202 rsx, rsy = self._scale_speed[0], self._scale_speed[1] #XXX
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203 if rsx or rsy:
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204 rx, ry = self._rescale[0], self._rescale[1] #XXX
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205 self._rescale[:] = [rx + rsx, ry + rsy]
432
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206 self.changed = True
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207
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208 if self.fade_interpolator:
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diff changeset
209 self.fade_interpolator.update(self.frame)
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diff changeset
210 self._color[3] = self.fade_interpolator.values[0]
432
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diff changeset
211 self.changed = True
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diff changeset
212
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213 if self.scale_interpolator:
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diff changeset
214 self.scale_interpolator.update(self.frame)
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diff changeset
215 self.rescale = self.scale_interpolator.values
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diff changeset
216 self.changed = True
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diff changeset
217
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diff changeset
218 if self.offset_interpolator:
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diff changeset
219 self.offset_interpolator.update(self.frame)
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diff changeset
220 self.dest_offset = self.offset_interpolator.values
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diff changeset
221 self.changed = True
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diff changeset
222
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diff changeset
223 if self.color_interpolator:
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diff changeset
224 self.color_interpolator.update(self.frame)
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diff changeset
225 self.color = self.color_interpolator.values
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diff changeset
226 self.changed = True