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annotate pytouhou/game/sprite.py @ 399:1c773544eaeb

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Make the background use a single vbo and offsets, just like the 2D code.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 12 Feb 2013 19:19:31 +0100
parents f3099ebf4f61
children 40d5f3083ebc
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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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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 __slots__ = ('anm', 'removed', 'changed', 'width_override', 'height_override',
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21 'angle', 'force_rotation', 'scale_interpolator', 'fade_interpolator',
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22 'offset_interpolator', 'automatic_orientation', 'blendfunc',
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23 'texcoords', 'dest_offset', 'allow_dest_offset', 'texoffsets',
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24 'mirrored', 'rescale', 'scale_speed', 'rotations_3d',
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25 'rotations_speed_3d', 'corner_relative_placement', 'frame',
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26 'color', 'alpha', 'visible', '_rendering_data')
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27 def __init__(self, width_override=0, height_override=0):
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28 self.anm = None
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29 self.removed = False
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30 self.changed = True
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31 self.visible = True
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33 self.width_override = width_override
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34 self.height_override = height_override
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35 self.angle = 0
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36 self.force_rotation = False
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37
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38 self.scale_interpolator = None
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39 self.fade_interpolator = None
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40 self.offset_interpolator = None
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42 self.automatic_orientation = False
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44 self.blendfunc = 0 # 0 = Normal, 1 = saturate #TODO: proper constants
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45
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46 self.texcoords = (0, 0, 0, 0) # x, y, width, height
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47 self.dest_offset = (0., 0., 0.)
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48 self.allow_dest_offset = False
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49 self.texoffsets = (0., 0.)
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50 self.mirrored = False
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51 self.rescale = (1., 1.)
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52 self.scale_speed = (0., 0.)
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53 self.rotations_3d = (0., 0., 0.)
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54 self.rotations_speed_3d = (0., 0., 0.)
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55 self.corner_relative_placement = False
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56 self.frame = 0
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57 self.color = (255, 255, 255)
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58 self.alpha = 255
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60 self._rendering_data = None
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63 def fade(self, duration, alpha, formula):
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64 self.fade_interpolator = Interpolator((self.alpha,), self.frame,
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65 (alpha,), self.frame + duration,
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66 formula)
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69 def scale_in(self, duration, sx, sy, formula):
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70 self.scale_interpolator = Interpolator(self.rescale, self.frame,
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71 (sx, sy), self.frame + duration,
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72 formula)
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75 def move_in(self, duration, x, y, z, formula):
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76 self.offset_interpolator = Interpolator(self.dest_offset, self.frame,
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77 (x, y, z), self.frame + duration,
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78 formula)
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81 def update_orientation(self, angle_base=0., force_rotation=False):
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82 if (self.angle != angle_base or self.force_rotation != force_rotation):
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83 self.angle = angle_base
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84 self.force_rotation = force_rotation
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85 self.changed = True
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