PyTouhou: pytouhou/utils/matrix.pyx annotate

annotate pytouhou/utils/matrix.pyx @ 532:dacdcca59b66

Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.

author	Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date	Thu, 19 Dec 2013 21:55:26 +0100
parents	db28538cd399
children	e15672733c93

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
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	20 cdef Matrix identity
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	21 identity = Matrix(1, 0, 0, 0,
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	22 0, 1, 0, 0,
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	23 0, 0, 1, 0,
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 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
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	27 cdef Matrix new_matrix(Matrix data) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	28 mat = <Matrix*> malloc(sizeof(Matrix))
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	29 memcpy(mat, data, sizeof(Matrix))
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	30 return mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	31
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	32
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	33 cdef Matrix *new_identity() nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	34 return new_matrix(&identity)
423 d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 417 diff changeset	35
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 417 diff changeset	36
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	37 cdef void mul(Matrix mat1, Matrix mat2) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	38 cdef float *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	39
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	40 out = <Matrix*> malloc(sizeof(Matrix))
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	41 d1 = <float*>mat1
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	42 d2 = <float*>mat2
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	43 d3 = <float*>out
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	44 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	45 for j in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	46 d3[4*i+j] = 0
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	47 for k in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	48 d3[4i+j] += d1[4i+k] * d2[4*k+j]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	49 memcpy(mat1, out, sizeof(Matrix))
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	50 free(out)
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	51
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	52
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	53 cdef void flip(Matrix *mat) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	54 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	55 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 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
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	59 cdef void scale(Matrix *mat, float x, float y, float z) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	60 cdef float coordinate[3]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	61
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	62 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	63 coordinate[0] = x
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	64 coordinate[1] = y
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	65 coordinate[2] = z
435 878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 424 diff changeset	66
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	67 for i in xrange(3):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	68 for j in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	69 data[4i+j] = coordinate[i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	70
435 878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 424 diff changeset	71
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	72 cdef void scale2d(Matrix *mat, float x, float y) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	73 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	74 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	75 data[ i] *= x
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	76 data[4+i] *= y
28 f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	77
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	78
527 db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	79 cdef void translate(Matrix *mat, float[3] offset) nogil:
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	80 cdef float item[3]
435 878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 424 diff changeset	81
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	82 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	83 for i in xrange(3):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	84 item[i] = data[12+i] * offset[i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	85
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	86 for i in xrange(3):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	87 for j in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	88 data[4*i+j] += item[i]
31 55973a3f1222 Some more optimization! Thibaut Girka <thib@sitedethib.com> parents: 30 diff changeset	89
55973a3f1222 Some more optimization! Thibaut Girka <thib@sitedethib.com> parents: 30 diff changeset	90
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	91 cdef void translate2d(Matrix *mat, float x, float y) nogil:
527 db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	92 cdef float[3] offset
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	93
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	94 offset[0] = x
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	95 offset[1] = y
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	96 offset[2] = 0
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	97
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	98 translate(mat, offset)
28 f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	99
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	100
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	101 cdef void rotate_x(Matrix *mat, float angle) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	102 cdef float cos_a, sin_a
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	103 cdef float lines[8]
435 878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 424 diff changeset	104
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	105 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	106 cos_a = cos(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	107 sin_a = sin(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	108 for i in xrange(8):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	109 lines[i] = data[i+4]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	110 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	111 data[4+i] = cos_a * lines[i] - sin_a * lines[4+i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	112 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	113
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	114
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	115 cdef void rotate_y(Matrix *mat, float angle) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	116 cdef float cos_a, sin_a
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	117 cdef float lines[8]
435 878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 424 diff changeset	118
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	119 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	120 cos_a = cos(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	121 sin_a = sin(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	122 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	123 lines[i] = data[i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	124 lines[i+4] = data[i+8]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	125 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	126 data[ i] = cos_a * lines[i] + sin_a * lines[4+i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	127 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	128
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	129
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	130 cdef void rotate_z(Matrix *mat, float angle) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	131 cdef float cos_a, sin_a
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	132 cdef float lines[8]
435 878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 424 diff changeset	133
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	134 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	135 cos_a = cos(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	136 sin_a = sin(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	137 for i in xrange(8):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	138 lines[i] = data[i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	139 for i in xrange(4):
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	140 data[ i] = cos_a * lines[i] - sin_a * lines[4+i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	141 data[4+i] = sin_a * lines[i] + cos_a * lines[4+i]

Mercurial > touhou

annotate pytouhou/utils/matrix.pyx @ 532:dacdcca59b66