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33 lines
634 B
Lua
33 lines
634 B
Lua
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--Author Valansch
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Compass = {}
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Compass.__index = Compass
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Compass.north={x=0,y=-1,next="west"}
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Compass.west={x=-1,y=0,next="south"}
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Compass.south={x=0,y=1,next="east"}
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Compass.east={x=1,y=0,next="north"}
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function Compass.new(start_direction)
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local self = setmetatable({}, Compass)
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self.direction = start_direction or "north"
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return self
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end
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function Compass:turn_left()
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self.direction= self:get_direction().next
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end
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function Compass:get_direction()
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return self[self.direction]
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end
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function Compass:turn_right()
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self:turn()
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self:turn()
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self:turn()
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end
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function Compass:turn_around()
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self:turn()
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self:turn()
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end
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