movement_planning #2
6
state.py
Normal file
6
state.py
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@ -0,0 +1,6 @@
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class State:
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def __init__(self, parent, xpos, ypos, orientation):
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self.parent = parent
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self.xpos = xpos
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self.ypos = ypos
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self.orientation = orientation
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44
succ.py
44
succ.py
@ -1,28 +1,30 @@
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def succ(xpos, ypos, orientation):
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from state import State
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def succ(st: State):
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successors = []
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successors = []
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if orientation == 'N':
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if st.orientation == 'N':
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successors.append(['LEFT', xpos, ypos, 'W'])
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successors.append(['LEFT', State(st, st.xpos, st.ypos, 'W')])
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successors.append(['RIGHT', xpos, ypos, 'E'])
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successors.append(['RIGHT', State(st, st.xpos, st.ypos, 'E')])
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if ypos > 0:
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if st.ypos > 0:
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successors.append(['FORWARD', xpos, ypos - 50, 'N'])
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successors.append(['FORWARD', State(st, st.xpos, st.ypos - 50, 'N')])
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if orientation == 'S':
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if st.orientation == 'S':
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successors.append(['LEFT', xpos, ypos, 'E'])
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successors.append(['LEFT', State(st, st.xpos, st.ypos, 'E')])
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successors.append(['RIGHT', xpos, ypos, 'W'])
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successors.append(['RIGHT', State(st, st.xpos, st.ypos, 'W')])
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if ypos < 750:
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if st.ypos < 750:
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successors.append(['FORWARD', xpos, ypos + 50, 'S'])
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successors.append(['FORWARD', State(st, st.xpos, st.ypos + 50, 'S')])
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if orientation == 'W':
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if st.orientation == 'W':
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successors.append(['LEFT', xpos, ypos, 'S'])
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successors.append(['LEFT', State(st, st.xpos, st.ypos, 'S')])
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successors.append(['RIGHT', xpos, ypos, 'N'])
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successors.append(['RIGHT', State(st, st.xpos, st.ypos, 'N')])
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if xpos > 0:
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if st.xpos > 0:
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successors.append(['FORWARD', xpos - 50, ypos, 'W'])
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successors.append(['FORWARD', State(st, st.xpos - 50, st.ypos, 'W')])
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if orientation == 'E':
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if st.orientation == 'E':
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successors.append(['LEFT',xpos, ypos, 'N'])
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successors.append(['LEFT', State(st, st.xpos, st.ypos, 'N')])
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successors.append(['RIGHT', xpos, ypos, 'S'])
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successors.append(['RIGHT', State(st, st.xpos, st.ypos, 'S')])
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if xpos < 750:
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if st.xpos < 750:
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successors.append(['FORWARD', xpos + 50, ypos, 'E'])
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successors.append(['FORWARD', State(st, st.xpos + 50, st.ypos, 'E')])
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return successors
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return successors
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