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annotate pytouhou/game/sprite.py @ 70:7c1f20407b3e

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Add set_random_angle support
author Thibaut Girka <thib@sitedethib.com>
date Sat, 27 Aug 2011 11:24:22 +0200
parents a142e57218a0
children a03d7a94b997
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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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15
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16 from pytouhou.utils.matrix import Matrix
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18
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19 class AnmWrapper(object):
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20 def __init__(self, anm_files):
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21 self.anm_files = list(anm_files)
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23
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24 def get_sprite(self, sprite_index):
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25 for anm in self.anm_files:
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26 if sprite_index in anm.sprites:
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27 return anm, anm.sprites[sprite_index]
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28 raise IndexError
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31 def get_script(self, script_index):
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32 for anm in self.anm_files:
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33 if script_index in anm.scripts:
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34 return anm, anm.scripts[script_index]
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35 raise IndexError
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38
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39 class Sprite(object):
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40 def __init__(self):
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41 self.anm = None
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42 self._removed = False
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43 self._changed = False
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44
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45 self.texcoords = (0, 0, 0, 0) # x, y, width, height
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46 self.texoffsets = (0., 0.)
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47 self.mirrored = False
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48 self.rescale = (1., 1.)
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49 self.scale_speed = (0., 0.)
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50 self.rotations_3d = (0., 0., 0.)
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51 self.rotations_speed_3d = (0., 0., 0.)
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52 self.corner_relative_placement = False
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53 self.frame = 0
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54 self.color = (255, 255, 255)
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55 self.alpha = 255
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56 self._uvs = []
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57 self._vertices = []
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58 self._colors = []
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59
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60
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61 def update_vertices_uvs_colors(self, override_width=0, override_height=0):
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62 vertmat = Matrix([[-.5, .5, .5, -.5],
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63 [-.5, -.5, .5, .5],
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64 [ .0, .0, .0, .0],
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65 [ 1., 1., 1., 1.]])
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66
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67 tx, ty, tw, th = self.texcoords
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68 sx, sy = self.rescale
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69 width = override_width or (tw * sx)
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70 height = override_height or (th * sy)
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72 vertmat.scale2d(width, height)
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73 if self.mirrored:
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74 vertmat.flip()
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75 if self.rotations_3d != (0., 0., 0.):
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76 rx, ry, rz = self.rotations_3d
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77 if rx:
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78 vertmat.rotate_x(-rx)
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79 if ry:
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80 vertmat.rotate_y(ry)
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81 if rz:
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82 vertmat.rotate_z(-rz) #TODO: minus, really?
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83 if self.corner_relative_placement: # Reposition
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84 vertmat.translate(width / 2., height / 2., 0.)
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85
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86 x_1 = 1. / self.anm.size[0]
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87 y_1 = 1. / self.anm.size[1]
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88 tox, toy = self.texoffsets
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89 uvs = [(tx * x_1 + tox, 1. - (ty * y_1) + toy),
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90 ((tx + tw) * x_1 + tox, 1. - (ty * y_1) + toy),
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91 ((tx + tw) * x_1 + tox, 1. - ((ty + th) * y_1 + toy)),
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92 (tx * x_1 + tox, 1. - ((ty + th) * y_1 + toy))]
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93
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94 d = vertmat.data
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95 assert (d[3][0], d[3][1], d[3][2], d[3][3]) == (1., 1., 1., 1.)
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96 self._colors = [(self.color[0], self.color[1], self.color[2], self.alpha)] * 4
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97 self._uvs, self._vertices = uvs, zip(d[0], d[1], d[2])
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98
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99
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100 def update(self):
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101 if self.rotations_speed_3d != (0., 0., 0.) or self.scale_speed != (0., 0.):
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102 ax, ay, az = self.rotations_3d
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103 sax, say, saz = self.rotations_speed_3d
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104 self.rotations_3d = ax + sax, ay + say, az + saz
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105 self.rescale = self.rescale[0] + self.scale_speed[0], self.rescale[1] + self.scale_speed[1]
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106 self._changed = True
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107