Mercurial > fife-parpg

annotate demos/shooter/scripts/common/baseobject.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 ab28994820dd
children c4168eb47a44
rev   line source
448
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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1 # -*- coding: utf-8 -*-
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2
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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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7 #
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8 # FIFE is free software; you can redistribute it and/or
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9 # modify it under the terms of the GNU Lesser General Public
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10 # License as published by the Free Software Foundation; either
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11 # version 2.1 of the License, or (at your option) any later version.
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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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16 # Lesser General Public License for more details.
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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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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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24 from fife import fife
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25 from scripts.common.helpers import normalize
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26 from scripts.common.helpers import Rect
448
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27
477
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28
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29 SHTR_DEFAULT = 0
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30 SHTR_PLAYER = 1
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31 SHTR_LASTBOSS = 2
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32 SHTR_PROJECTILE = 3
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33 SHTR_ENEMYSHIP = 4
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34 SHTR_POWERUP = 5
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35
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36
448
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37 class SpaceObject(object):
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38 def __init__(self, scene, name, findInstance=True):
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39 self._scene = scene
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40 self._model = self._scene.model
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41 self._layer = self._scene.objectlayer
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42 self._name = name
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43 self._xscale = self._layer.getCellGrid().getXScale()
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44 self._yscale = self._layer.getCellGrid().getYScale()
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45 self._velocity = fife.DoublePoint(0,0)
451
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46 self._maxvelocity = 1.25
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47 self._boundingBox = Rect(0,0,0,0)
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48 self._running = False
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49 self._changedPosition = False
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50 self._scenenodeid = -1
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51 self._type = SHTR_DEFAULT
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52
448
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53 if findInstance:
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54 self._instance = self._layer.getInstance(self._name)
473
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55 self._instance.thisown = 0
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56 else:
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57 self._instnace = None
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58
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59 def start(self):
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60 if self._instance:
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61 self._running = True
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62
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63 def update(self):
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64 if self._running:
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65 shiploc = self.location
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66 exactloc = shiploc.getExactLayerCoordinates()
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67
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68 exactloc.x += self._velocity.x * (self._scene.timedelta/1000.0)/self._xscale
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69 exactloc.y += self._velocity.y * (self._scene.timedelta/1000.0)/self._yscale
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70
460
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71 self._boundingBox.x = (exactloc.x * self._xscale - self._boundingBox.w/2)
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72 self._boundingBox.y = (exactloc.y * self._yscale - self._boundingBox.h/2)
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73
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74 shiploc.setExactLayerCoordinates(exactloc)
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75
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76 if shiploc == self.location:
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77 self._changePosition = False
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78 else:
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79 self._changedPosition = True
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80
449
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81 self.location = shiploc
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82
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83 def stop(self):
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84 self._running = False
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85
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86 def destroy(self):
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87 self._running = False
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88
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89 def applyThrust(self, vector):
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90 self._velocity.x += (vector.x * (self._scene.timedelta/1000.0))/self._xscale
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91 self._velocity.y += (vector.y * (self._scene.timedelta/1000.0))/self._yscale
448
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92
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93 if self._velocity.length() > self._maxvelocity:
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94 norm = normalize(self._velocity)
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95 self._velocity.x = norm.x * self._maxvelocity
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96 self._velocity.y = norm.y * self._maxvelocity
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97
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98
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99 def applyBrake(self, brakingForce):
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100
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101 if self._velocity.length() <= .01:
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102 self._velocity.x = 0
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103 self._velocity.y = 0
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104 return
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105
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106 #first normalize to get a unit vector of the direction we are traveling
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107 norm = normalize(self._velocity)
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108 if norm.length() == 0:
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109 self._velocity.x = 0
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110 self._velocity.y = 0
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111 return
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112
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113 #negate to get opposite direction
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114 norm.x = norm.x * -1
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115 norm.y = norm.y * -1
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116
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117 #apply braking deceleration
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118 norm.x *= brakingForce
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119 norm.y *= brakingForce
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120
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diff changeset
121 self._velocity.x += (norm.x * (self._scene.timedelta/1000.0))/self._xscale
bd7e8f708adf Time is now managed by the Scene object.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 453
diff changeset
122 self._velocity.y += (norm.y * (self._scene.timedelta/1000.0))/self._yscale
463
ac0f62a07a3e Added enemy explosions and other animations.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 460
diff changeset
123
ac0f62a07a3e Added enemy explosions and other animations.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 460
diff changeset
124 def removeFromScene(self):
476
78a1eb57c074 Changed the way instances get deleted from the scene. Instances now get removed at the end of the frame as opposed to after their explosion action is complete. The old way was causing the odd segfault because the instance was being removed before FIFE was finished with it.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 473
diff changeset
125 self._scene.queueObjectForRemoval(self)
449
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
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126
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
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127 def _isRunning(self):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
128 return self._running
448
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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129
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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130 def _getMaxVelocity(self):
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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131 return self._maxvelocity
5e2ec84902a7 Did a little re-factoring.
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parents:
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132
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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133 def _setMaxVelocity(self, maxvel):
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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134 self._maxvelocity = maxvel/sqrt(self._xscale * self._yscale)
5e2ec84902a7 Did a little re-factoring.
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parents:
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135
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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136 def _getLocation(self):
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
137 return self._instance.getLocation()
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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138
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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139 def _setLocation(self, loc):
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
140 self._instance.setLocation(loc)
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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141
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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142 def _getInstance(self):
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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143 return self._instance
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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144
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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145 def _setInstance(self, instance):
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
146 self._instance = instance
479
ab28994820dd Added some powerups including a spread weapon and an extra life.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 477
diff changeset
147 if self._instance:
ab28994820dd Added some powerups including a spread weapon and an extra life.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 477
diff changeset
148 self._instance.thisown = 0
448
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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149
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
150 def _getVelocity(self):
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
151 return self._velocity
449
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
152
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
153 def _setVelocity(self, velocity):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
154 self._velocity = velocity
448
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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155
449
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
156 def _getBoundingBox(self):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
157 return self._boundingBox
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
158
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
159 def _getW(self):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
160 return self._boundingBox.w
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
161
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
162 def _getH(self):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
163 return self._boundingBox.h
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
164
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
165 def _setW(self, w):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
166 self._boundingBox.w = w
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
167
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
168 def _setH(self, h):
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
169 self._boundingBox.h = h
453
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
170
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
171 def _changedPosition(self):
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
172 return self._changedPosition
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
173
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
174 def _getNodeId(self):
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
175 return self._scenenodeid
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
176
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
177 def _setNodeId(self, id):
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
178 self._scenenodeid = id
477
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
179
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
180 def _getType(self):
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
181 return self._type
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
182
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
183 def _setType(self, objtype):
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
184 self._type = objtype
449
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
185
477
6b33d80b468b Projectiles are now part of the scene.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 476
diff changeset
186 type = property(_getType, _setType)
449
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
187 width = property(_getW, _setW)
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
188 height = property(_getH, _setH)
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
189 boundingbox = property(_getBoundingBox)
448
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
190 location = property(_getLocation,_setLocation)
5e2ec84902a7 Did a little re-factoring.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
191 instance = property(_getInstance, _setInstance)
449
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
192 velocity = property(_getVelocity, _setVelocity)
1cf56403347a Added object bounding boxes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 448
diff changeset
193 maxvelocity = property(_getMaxVelocity, _setMaxVelocity)
453
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
194 running = property(_isRunning)
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
195 changedposition = property(_changedPosition)
cf53848fb187 Scene now gets updated when an object moves from one node to another.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 451
diff changeset
196 scenenodeid = property(_getNodeId, _setNodeId)