Mercurial > touhou

annotate pytouhou/utils/matrix.pyx @ 516:577c3a88fb67

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge the lists Game.texts and Game.native_texts into the Game.texts dict.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 11 May 2014 20:25:07 +0200
parents 26c082870dcf
children 6e3b3d5d4691
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
493
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
17 from libc.string cimport memcpy
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
18
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
19
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
20 cdef float[16] identity
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
21 identity[:] = [1, 0, 0, 0,
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
22 0, 1, 0, 0,
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
23 0, 0, 1, 0,
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
24 0, 0, 0, 1]
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
25
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
26
131
fab7ad2f0d8b Use Cython, improve performances!
Thibaut Girka <thib@sitedethib.com>
parents: 123
diff changeset
27 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
28 def __init__(self, data=None):
493
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
29 if data is not None:
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
30 for i in xrange(16):
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
31 self.data[i] = data[i]
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
32 else:
26c082870dcf Use a cached static float[16] instead of a list for default Matrix data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
33 memcpy(self.data, identity, 16 * sizeof(float))
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
34
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 417
diff changeset
35
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
36 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
37 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
38
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 out = Matrix()
411
2428296cccab Remove indirect access to Matrix values.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
40 d1 = self.data
2428296cccab Remove indirect access to Matrix values.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
41 d2 = other.data
2428296cccab Remove indirect access to Matrix values.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
42 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
43 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
44 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
45 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
46 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
47 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
48 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
49
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
50
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
51 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
52 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
53
123
d1c82d43bbf3 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
54 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
55 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
56 data[i] = -data[i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
57
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
58
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
59 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
60 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
61
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
62 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
63 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
64 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
65 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
66
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
67 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
68 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
69 data[4*i+j] *= coordinate[i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
70
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
71
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
72 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
73 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
74
123
d1c82d43bbf3 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
75 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
76 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
77 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
78 data[4+i] *= y
31
55973a3f1222 Some more optimization!
Thibaut Girka <thib@sitedethib.com>
parents: 30
diff changeset
79
55973a3f1222 Some more optimization!
Thibaut Girka <thib@sitedethib.com>
parents: 30
diff changeset
80
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
81 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
82 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
83
123
d1c82d43bbf3 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
84 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
85 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
86 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
87 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
88 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
89 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
90
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
91 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
92 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
93 data[4*i+j] += item[i]
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
94
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
95
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
96 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
97 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
98 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
99
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
100 data = self.data
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
101 cos_a = cos(angle)
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
102 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
103 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
104 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
105 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
106 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
107 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
108
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
109
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
110 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
111 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
112 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
113
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
114 data = self.data
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
115 cos_a = cos(angle)
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
116 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
117 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
118 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
119 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
120 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
121 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
122 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
123
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
124
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
125 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
126 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
127 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
128
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
129 data = self.data
28
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
130 cos_a = cos(angle)
f405b947624d Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 4
diff changeset
131 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
132 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
133 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
134 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
135 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
136 data[4+i] = sin_a * lines[i] + cos_a * lines[4+i]