4 class _objectOrder(object):
5 def __init__(self, order, todo):
9 class _objectOrderFinder(object):
10 def __init__(self, scene, offset):
12 self._offset = offset - numpy.array([0.1,0.1])
13 self._objs = scene.objects()
14 self._leftToRight = True
15 self._frontToBack = True
17 for n in xrange(0, len(self._objs)):
18 if scene.checkPlatform(self._objs[n]):
20 if len(initialList) == 0:
23 self._todo = [_objectOrder([], initialList)]
24 while len(self._todo) > 0:
25 current = self._todo.pop()
26 for addIdx in current.todo:
27 if not self._checkHitFor(addIdx, current.order):
28 todoList = current.todo[:]
29 todoList.remove(addIdx)
30 order = current.order[:] + [addIdx]
31 if len(todoList) == 0:
35 self._todo.append(_objectOrder(order, todoList))
38 def _checkHitFor(self, addIdx, others):
40 if self._checkHit(addIdx, idx):
44 def _checkHit(self, addIdx, idx):
45 addPos = self._scene._objectList[addIdx].getPosition()
46 addSize = self._scene._objectList[addIdx].getSize()
47 pos = self._scene._objectList[idx].getPosition()
48 size = self._scene._objectList[idx].getSize()
51 if addPos[0] + addSize[0] / 2 + self._offset[0] <= pos[0] - size[0] / 2:
54 if addPos[0] - addSize[0] / 2 - self._offset[0] <= pos[0] + size[0] / 2:
58 if addPos[1] - addSize[1] / 2 - self._offset[1] >= pos[1] + size[1] / 2:
61 if addPos[1] + addSize[1] / 2 + self._offset[1] >= pos[1] - size[1] / 2:
69 self._sizeOffsets = numpy.array([0.0,0.0], numpy.float32)
70 self._machineSize = numpy.array([100,100,100], numpy.float32)
71 self._headOffsets = numpy.array([18.0,18.0], numpy.float32)
73 def setMachineSize(self, machineSize):
74 self._machineSize = machineSize
76 def setSizeOffsets(self, sizeOffsets):
77 self._sizeOffsets = sizeOffsets
79 def getObjectExtend(self):
80 return self._sizeOffsets + self._headOffsets
83 return self._objectList
86 self._findFreePositionFor(obj)
87 self._objectList.append(obj)
90 def remove(self, obj):
91 self._objectList.remove(obj)
93 def merge(self, obj1, obj2):
95 obj1._meshList += obj2._meshList
97 obj1.setPosition((obj1.getPosition() + obj2.getPosition()) / 2)
102 while self._pushFree():
107 def arrangeAll(self):
108 oldList = self._objectList
109 self._objectList = []
111 obj.setPosition(numpy.array([0,0], numpy.float32))
115 minPos = numpy.array([9999999,9999999], numpy.float32)
116 maxPos = numpy.array([-9999999,-9999999], numpy.float32)
117 for obj in self._objectList:
118 pos = obj.getPosition()
120 minPos[0] = min(minPos[0], pos[0] - size[0] / 2)
121 minPos[1] = min(minPos[1], pos[1] - size[1] / 2)
122 maxPos[0] = max(maxPos[0], pos[0] + size[0] / 2)
123 maxPos[1] = max(maxPos[1], pos[1] + size[1] / 2)
124 offset = -(maxPos + minPos) / 2
125 for obj in self._objectList:
126 obj.setPosition(obj.getPosition() + offset)
128 def printOrder(self):
129 order = _objectOrderFinder(self, self._headOffsets + self._sizeOffsets).order
131 print "ODD! Cannot find out proper printing order!!!"
132 for obj in self._objectList:
133 print obj.getPosition(), obj.getSize()
137 for a in self._objectList:
138 for b in self._objectList:
139 if not self._checkHit(a, b):
141 posDiff = a.getPosition() - b.getPosition()
142 if posDiff[0] == 0.0 and posDiff[1] == 0.0:
144 if abs(posDiff[0]) > abs(posDiff[1]):
148 aPos = a.getPosition()
149 bPos = b.getPosition()
150 center = (aPos[axis] + bPos[axis]) / 2
151 distance = (a.getSize()[axis] + b.getSize()[axis]) / 2 + 0.1 + self._sizeOffsets[axis] + self._headOffsets[axis]
152 if posDiff[axis] < 0:
154 aPos[axis] = center + distance / 2
155 bPos[axis] = center - distance / 2
161 def _checkHit(self, a, b):
164 posDiff = a.getPosition() - b.getPosition()
165 if abs(posDiff[0]) < (a.getSize()[0] + b.getSize()[0]) / 2 + self._sizeOffsets[0] + self._headOffsets[0]:
166 if abs(posDiff[1]) < (a.getSize()[1] + b.getSize()[1]) / 2 + self._sizeOffsets[1] + self._headOffsets[1]:
170 def checkPlatform(self, obj):
171 p = obj.getPosition()
172 s = obj.getSize()[0:2] / 2 + self._sizeOffsets
173 if p[0] - s[0] < -self._machineSize[0] / 2:
175 if p[0] + s[0] > self._machineSize[0] / 2:
177 if p[1] - s[1] < -self._machineSize[1] / 2:
179 if p[1] + s[1] > self._machineSize[1] / 2:
183 def _findFreePositionFor(self, obj):
185 for a in self._objectList:
187 s = (a.getSize()[0:2] + obj.getSize()[0:2]) / 2 + self._sizeOffsets + self._headOffsets
188 posList.append(p + s * ( 1.0, 1.0))
189 posList.append(p + s * ( 0.0, 1.0))
190 posList.append(p + s * (-1.0, 1.0))
191 posList.append(p + s * ( 1.0, 0.0))
192 posList.append(p + s * (-1.0, 0.0))
193 posList.append(p + s * ( 1.0,-1.0))
194 posList.append(p + s * ( 0.0,-1.0))
195 posList.append(p + s * (-1.0,-1.0))
202 for a in self._objectList:
203 if self._checkHit(a, obj):
208 dist = numpy.linalg.norm(p)
209 if not self.checkPlatform(obj):
211 if best is None or dist < bestDist:
215 obj.setPosition(best)