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loop/src/Dodge/Room/Ngon.hs
T
2023-03-18 22:31:24 +00:00

35 lines
1.0 KiB
Haskell

module Dodge.Room.Ngon where
import Data.List
import Data.Maybe
import Data.Tile
import Dodge.Data.GenWorld
import Dodge.Default.Room
import Dodge.Placement.Instance
import Dodge.PlacementSpot
import Dodge.RoomLink
import Geometry
import Tile
roomNgon :: Int -> Float -> Room
roomNgon n x =
defaultRoom
{ _rmPolys = [poly]
, _rmLinks = map toBothLnk lnks -- muout (init lnks) ++ muin[last lnks]
, _rmPath = mempty -- TODO
, _rmPmnts = [mntLightLnkCond $ resetPLUse $ rprBool $ const . isInLnk]
, _rmBound = [poly]
, _rmFloor = Tiled [makeTileFromPoly poly 2]
, _rmName = show n ++ "gon"
}
where
rot = 2 * pi / fromIntegral n
rots = map ((rot *) . fromIntegral) [0 .. n -1]
poly =
mapMaybe
(\(ra, rb) -> intersectLineLine' (rotateV ra bl) (rotateV ra br) (rotateV rb bl) (rotateV rb br))
$ loopPairs rots
bl = V2 x x
br = V2 (- x) x
lnks = sortOn ((\(V2 a b) -> (negate b, a)) . fst) $ map (\r -> (rotateV r (V2 0 x), r)) rots