Mercurial > fife-parpg

annotate demos/shooter/scripts/common/helpers.py @ 488:23d01971e9c2

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Small fix to fife_timer. The import line didn't work for some reason.
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 04 May 2010 12:50:09 +0000
parents 7f1c42b66aa4
children c4168eb47a44
rev   line source
446
2046a1f2f5f2 Adding the shooter demo. This is still a work in progress.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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1 # -*- coding: utf-8 -*-
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2
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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3 # ####################################################################
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4 # Copyright (C) 2005-2009 by the FIFE team
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5 # http://www.fifengine.de
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6 # This file is part of FIFE.
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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7 #
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8 # FIFE is free software; you can redistribute it and/or
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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9 # modify it under the terms of the GNU Lesser General Public
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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10 # License as published by the Free Software Foundation; either
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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11 # version 2.1 of the License, or (at your option) any later version.
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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12 #
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13 # This library is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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16 # Lesser General Public License for more details.
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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17 #
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18 # You should have received a copy of the GNU Lesser General Public
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19 # License along with this library; if not, write to the
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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20 # Free Software Foundation, Inc.,
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21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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22 # ####################################################################
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23
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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24 from fife import fife
472
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25 import math
446
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26
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27
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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28 def normalize(vector):
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29 """
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30 Helper function to normalize a vector
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31 """
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32 norm = fife.DoublePoint(0,0)
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33
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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34 invLength = 1.0/vector.length()
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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35 if invLength > 1e-06:
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36 norm.x = vector.x * invLength;
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37 norm.y = vector.y * invLength;
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38 else:
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39 norm.x = 0
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40 norm.y = 0
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41
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42 return norm
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43
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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44 class Rect(object):
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45 def __init__(self, x = 0, y = 0, w = 0, h = 0):
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46 self._x = x
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47 self._y = y
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48 self._w = w
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49 self._h = h
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50
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51 def intersects(self, rect):
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52 _x = self._x - rect.x;
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53 _y = self._y - rect.y;
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54 _w = self._w;
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55 _h = self._h;
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56
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57 if _x < 0:
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58 _w += _x
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59 _x = 0
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60
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61 if _y < 0:
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62 _h += _y
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63 _y = 0
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64
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65 if _x + _w > rect.w:
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66 _w = rect.w - _x
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67
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68 if _y + _h > rect.h:
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69 _h = rect.h - _y
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70
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71 if _w <= 0 or _h <= 0:
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72 return False
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73
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74 return True
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75
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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76 def _setX(self, x):
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77 self._x = x
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78
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79 def _getX(self):
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80 return self._x
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81
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82 def _setY(self, y):
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83 self._y = y
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84
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85 def _getY(self):
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86 return self._y
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87
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88 def _setW(self, w):
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89 self._w = w
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90
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91 def _getW(self):
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92 return self._w
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93
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94 def _setH(self, h):
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95 self._h = h
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96
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97 def _getH(self):
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98 return self._h
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99
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100 x = property(_getX, _setX)
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101 y = property(_getY, _setY)
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102 w = property(_getW, _setW)
472
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103 h = property(_getH, _setH)
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104
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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105 def rotatePoint(origin, point, angle):
3164715a0621 Added the FireBallBurst and FireBallSpread weapons which are now used by the boss.
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106 newp = fife.DoublePoint(0,0)
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107
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108 theta = (angle * math.pi)/180
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109
475
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110 costheta = math.cos(theta)
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111 sintheta = math.sin(theta)
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112
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parents: 472
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113 x = point.x - origin.x
afde89c1d50b Switched to a damage system. Collisions with objects now cause 1 damage to the player.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 472
diff changeset
114 y = point.y - origin.y
afde89c1d50b Switched to a damage system. Collisions with objects now cause 1 damage to the player.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 472
diff changeset
115
afde89c1d50b Switched to a damage system. Collisions with objects now cause 1 damage to the player.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 472
diff changeset
116 newp.x = costheta * x - sintheta * y
afde89c1d50b Switched to a damage system. Collisions with objects now cause 1 damage to the player.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 472
diff changeset
117 newp.y = sintheta * x + costheta * y
472
3164715a0621 Added the FireBallBurst and FireBallSpread weapons which are now used by the boss.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 446
diff changeset
118
3164715a0621 Added the FireBallBurst and FireBallSpread weapons which are now used by the boss.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 446
diff changeset
119 return newp
487
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
120
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
121 class Timer(fife.TimeEvent):
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
122 def __init__(self,manager, delay=0,callback=None,repeat=0):
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
123 super(Timer,self).__init__(delay)
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
124 self._is_registered = False
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
125 self._callback = callback
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
126 self._manager = manager
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
127 self.setPeriod(delay)
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
128 self._repeat = repeat
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
129 self._executed = 0
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
130
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
131 def start(self):
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
132 if self._is_registered:
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
133 return
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
134 self._is_registered = True
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
135 self._executed = 0
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
136 self._manager.registerEvent(self)
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
137
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
138 def stop(self):
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
139 if not self._is_registered:
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
140 return
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
141 self._is_registered = False
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
142 self._manager.unregisterEvent(self)
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
143
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
144 def updateEvent(self,delta):
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
145 if callable(self._callback):
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
146 self._callback()
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
147
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
148 if self._repeat != 0:
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
149 self._executed += 1
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
150 if self._executed >= self._repeat:
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
151 self.stop()
7f1c42b66aa4 Moved the shooter demo Timer() class to helpers.py.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 475
diff changeset
152
472
3164715a0621 Added the FireBallBurst and FireBallSpread weapons which are now used by the boss.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 446
diff changeset
153