Mercurial > touhou

annotate pytouhou/utils/matrix.pyx @ 455:6864a38b2413

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make pytouhou.lib.sdl cimportable, and convert pytouhou.ui.window.* to extension types.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Mon, 02 Sep 2013 22:16:38 +0200
parents 878273a984c4
children 26c082870dcf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
52
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
1 # -*- encoding: utf-8 -*-
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
2 ##
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
4 ##
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
5 ## This program is free software; you can redistribute it and/or modify
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
6 ## it under the terms of the GNU General Public License as published
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
7 ## by the Free Software Foundation; version 3 only.
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
8 ##
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
9 ## This program is distributed in the hope that it will be useful,
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
12 ## GNU General Public License for more details.
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
13 ##
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
Thibaut Girka <thib@sitedethib.com>
parents: 44
diff changeset
14
131
fab7ad2f0d8b Use Cython, improve performances!
Thibaut Girka <thib@sitedethib.com>
parents: 123
diff changeset
15 from libc.math cimport sin, cos
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
16 from libc.stdlib cimport malloc, free
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
17
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
18
131
fab7ad2f0d8b Use Cython, improve performances!
Thibaut Girka <thib@sitedethib.com>
parents: 123
diff changeset
19 cdef class Matrix:
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
20 def __init__(self, data=None):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
21 if data is None:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
22 data = [1, 0, 0, 0,
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
23 0, 1, 0, 0,
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
24 0, 0, 1, 0,
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
25 0, 0, 0, 1]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
26 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
27 for j in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
28 self.data[i*4+j] = data[4*i+j]
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
29
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
30
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
31 def __mul__(Matrix self, Matrix other):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
32 cdef float *d1, *d2, *d3
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
33
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
34 out = Matrix()
411
2428296cccab Remove indirect access to Matrix values.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
35 d1 = self.data
2428296cccab Remove indirect access to Matrix values.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
36 d2 = other.data
2428296cccab Remove indirect access to Matrix values.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
37 d3 = out.data
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
38 for i in xrange(4):
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
39 for j in xrange(4):
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
40 d3[4*i+j] = 0
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
41 for k in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
42 d3[4*i+j] += d1[4*i+k] * d2[4*k+j]
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
43 return out
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
44
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 131
diff changeset
45
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
46 cdef void flip(self) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
47 cdef float *data
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
48
123
d1c82d43bbf3 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
49 data = self.data
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
50 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
51 data[i] = -data[i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
52
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
53
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
54 cdef void scale(self, float x, float y, float z) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
55 cdef float *data, coordinate[3]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
56
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
57 data = self.data
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
58 coordinate[0] = x
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
59 coordinate[1] = y
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
60 coordinate[2] = z
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
61
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
62 for i in xrange(3):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
63 for j in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
64 data[4*i+j] *= coordinate[i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
65
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
66
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
67 cdef void scale2d(self, float x, float y) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
68 cdef float *data
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
69
123
d1c82d43bbf3 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
70 data = self.data
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
71 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
72 data[ i] *= x
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
73 data[4+i] *= y
31
55973a3f1222 Some more optimization!
Thibaut Girka <thib@sitedethib.com>
parents: 30
diff changeset
74
55973a3f1222 Some more optimization!
Thibaut Girka <thib@sitedethib.com>
parents: 30
diff changeset
75
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
76 cdef void translate(self, float x, float y, float z) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
77 cdef float *data, coordinate[3], item[3]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
78
123
d1c82d43bbf3 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
79 data = self.data
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
80 coordinate[0] = x
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
81 coordinate[1] = y
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
82 coordinate[2] = z
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
83 for i in xrange(3):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
84 item[i] = data[12+i] * coordinate[i]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
85
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
86 for i in xrange(3):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
87 for j in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
88 data[4*i+j] += item[i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
89
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
90
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
91 cdef void rotate_x(self, float angle) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
92 cdef float cos_a, sin_a
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
93 cdef float lines[8], *data
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
94
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
95 data = self.data
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
96 cos_a = cos(angle)
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
97 sin_a = sin(angle)
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
98 for i in xrange(8):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
99 lines[i] = data[i+4]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
100 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
101 data[4+i] = cos_a * lines[i] - sin_a * lines[4+i]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
102 data[8+i] = sin_a * lines[i] + cos_a * lines[4+i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
103
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
104
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
105 cdef void rotate_y(self, float angle) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
106 cdef float cos_a, sin_a
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
107 cdef float lines[8], *data
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
108
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
109 data = self.data
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
110 cos_a = cos(angle)
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
111 sin_a = sin(angle)
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
112 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
113 lines[i] = data[i]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
114 lines[i+4] = data[i+8]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
115 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
116 data[ i] = cos_a * lines[i] + sin_a * lines[4+i]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
117 data[8+i] = -sin_a * lines[i] + cos_a * lines[4+i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
118
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
119
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
120 cdef void rotate_z(self, float angle) nogil:
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
121 cdef float cos_a, sin_a
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
122 cdef float lines[8], *data
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
123
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
124 data = self.data
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
125 cos_a = cos(angle)
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
126 sin_a = sin(angle)
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
127 for i in xrange(8):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
128 lines[i] = data[i]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
129 for i in xrange(4):
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
130 data[ i] = cos_a * lines[i] - sin_a * lines[4+i]
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
131 data[4+i] = sin_a * lines[i] + cos_a * lines[4+i]