PyTouhou: pytouhou/utils/matrix.pyx annotate

annotate pytouhou/utils/matrix.pyx @ 792:11bc22bad1bf

python: Replace the image crate with png We weren’t using any of its features anyway, so the png crate is exactly what we need, without the many heavy dependencies of image. https://github.com/image-rs/image-png/pull/670 will eventually make it even faster to build.

author	Link Mauve <linkmauve@linkmauve.fr>
date	Sat, 17 Jan 2026 22:22:25 +0100
parents	e5361b74b9ad
children

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
613 560b45a7d014 Don’t uselessly malloc() a matrix for multiply, the stack is here for that! Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 590 diff changeset	39 cdef Matrix 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	40
523 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
613 560b45a7d014 Don’t uselessly malloc() a matrix for multiply, the stack is here for that! Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 590 diff changeset	43 d3 = <float*>&out
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	44 for i in range(4):
e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	45 for j in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	46 d3[4*i+j] = 0
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	47 for k in range(4):
523 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]
613 560b45a7d014 Don’t uselessly malloc() a matrix for multiply, the stack is here for that! Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 590 diff changeset	49 memcpy(mat1, &out, sizeof(Matrix))
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	50
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
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	52 cdef void flip(Matrix *mat) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	53 data = <float*>mat
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	54 for i in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	55 data[i] = -data[i]
28 f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	56
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	57
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	58 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	59 data = <float*>mat
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	60 for i in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	61 data[ i] *= x
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	62 data[4+i] *= y
28 f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	63
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	64
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	65 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	66 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	67
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	68 data = <float*>mat
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	69 for i in range(3):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	70 item[i] = data[12+i] * offset[i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	71
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	72 for i in range(3):
e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	73 for j in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	74 data[4*i+j] += item[i]
31 55973a3f1222 Some more optimization! Thibaut Girka <thib@sitedethib.com> parents: 30 diff changeset	75
55973a3f1222 Some more optimization! Thibaut Girka <thib@sitedethib.com> parents: 30 diff changeset	76
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	77 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	78 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	79
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 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	81 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	82 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	83
db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 523 diff changeset	84 translate(mat, offset)
28 f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	85
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	86
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	87 cdef void rotate_x(Matrix *mat, float angle) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	88 cdef float cos_a, sin_a
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	89 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	90
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	91 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	92 cos_a = cos(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	93 sin_a = sin(angle)
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	94 for i in range(8):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	95 lines[i] = data[i+4]
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	96 for i in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	97 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	98 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	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_y(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)
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	108 for i in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	109 lines[i] = data[i]
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	110 lines[i+4] = data[i+8]
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	111 for i in range(4):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	112 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	113 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	114
f405b947624d Massive sprite updating/matrix handling optimizations Thibaut Girka <thib@sitedethib.com> parents: 4 diff changeset	115
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	116 cdef void rotate_z(Matrix *mat, float angle) nogil:
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	117 cdef float cos_a, sin_a
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	118 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	119
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	120 data = <float*>mat
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	121 cos_a = cos(angle)
6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	122 sin_a = sin(angle)
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	123 for i in range(8):
523 6e3b3d5d4691 Make matrix a struct. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 493 diff changeset	124 lines[i] = data[i]
590 e15672733c93 Switch to Python 3.x instead of 2.7. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 527 diff changeset	125 for i in range(4):
523 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[4+i] = sin_a * lines[i] + cos_a * lines[4+i]

Mercurial > touhou

annotate pytouhou/utils/matrix.pyx @ 792:11bc22bad1bf