Separate out concrete part of world
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@@ -8,5 +8,5 @@ import Control.Lens
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doWdP2f :: WdP2f -> World -> (Point2,Float)
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doWdP2f x = case x of
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WdP2f0 -> const (0,0)
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WdP2fDoorPosition drid -> \w -> let Just (a,b) = w ^? doors . ix drid . drPos
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WdP2fDoorPosition drid -> \w -> let Just (a,b) = w ^? cWorld . doors . ix drid . drPos
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in (b, argV (a-.-b))
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