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annotate pytouhou/utils/matrix.pyx @ 318:1366cefd0334

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Move callbacks handling inside Enemy.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 17 May 2012 14:15:19 +0200
parents fab7ad2f0d8b
children 74471afbac37
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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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15 from libc.math cimport sin, cos
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18 cdef class Matrix:
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19 def __init__(Matrix self, data=None):
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20 self.data = data or [[0] * 4 for i in xrange(4)]
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23 cpdef flip(Matrix self):
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24 data = self.data
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25 a, b, c, d = data[0]
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26 data[0] = [-a, -b, -c, -d]
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29 cpdef scale(Matrix self, x, y, z):
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30 d1 = self.data
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31 d1[0] = [a * x for a in d1[0]]
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32 d1[1] = [a * y for a in d1[1]]
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33 d1[2] = [a * z for a in d1[2]]
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36 cpdef scale2d(Matrix self, x, y):
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37 data = self.data
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38 d1a, d1b, d1c, d1d = data[0]
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39 d2a, d2b, d2c, d2d = data[1]
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40 data[0] = [d1a * x, d1b * x, d1c * x, d1d * x]
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41 data[1] = [d2a * y, d2b * y, d2c * y, d2d * y]
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44 cpdef translate(Matrix self, x, y, z):
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45 data = self.data
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46 a, b, c = data[3][:3]
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47 a, b, c = a * x, b * y, c * z
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48 d1a, d1b, d1c, d1d = data[0]
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49 d2a, d2b, d2c, d2d = data[1]
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50 d3a, d3b, d3c, d3d = data[2]
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51 data[0] = [d1a + a, d1b + a, d1c + a, d1d + a]
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52 data[1] = [d2a + b, d2b + b, d2c + b, d2d + b]
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53 data[2] = [d3a + c, d3b + c, d3c + c, d3d + c]
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56 cpdef rotate_x(Matrix self, angle):
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57 d1 = self.data
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58 cos_a = cos(angle)
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59 sin_a = sin(angle)
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60 d1[1], d1[2] = ([cos_a * d1[1][i] - sin_a * d1[2][i] for i in range(4)],
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61 [sin_a * d1[1][i] + cos_a * d1[2][i] for i in range(4)])
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64 cpdef rotate_y(Matrix self, angle):
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65 d1 = self.data
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66 cos_a = cos(angle)
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67 sin_a = sin(angle)
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68 d1[0], d1[2] = ([cos_a * d1[0][i] + sin_a * d1[2][i] for i in range(4)],
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69 [- sin_a * d1[0][i] + cos_a * d1[2][i] for i in range(4)])
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72 cpdef rotate_z(Matrix self, angle):
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73 d1 = self.data
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74 cos_a = cos(angle)
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75 sin_a = sin(angle)
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76 d1[0], d1[1] = ([cos_a * d1[0][i] - sin_a * d1[1][i] for i in range(4)],
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77 [sin_a * d1[0][i] + cos_a * d1[1][i] for i in range(4)])
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