61 lines
1.5 KiB
Haskell
61 lines
1.5 KiB
Haskell
module Dodge.LightSources where
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import Dodge.Data
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--import Dodge.Base
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import Dodge.Picture.Layer
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import Dodge.LevelGen.Data
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--import Geometry
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import Picture
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import Geometry.Data
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--import qualified Data.IntMap.Strict as IM
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lightAt :: Point3 -> Int -> LightSource
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lightAt (V3 x y z) i =
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LS {_lsID = i
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,_lsPos = V3 x y z
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,_lsDir = 0
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,_lsRad = 700
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,_lsIntensity = 0.75
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}
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basicLS :: PSType
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basicLS = PutLS ls dec
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where
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ls = lightAt (V3 0 0 0) 0
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dec = onLayer PtLayer $ color white $ circleSolid 8
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tLightFade :: Int -> Float -> (Int -> Float) -> Point2 -> TempLightSource
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tLightFade 0 rmax intensityF (V2 x y) = TLS
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{ _tlsPos = V3 x y 0
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, _tlsRad = rmax
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, _tlsIntensity = intensityF 0
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, _tlsUpdate = \w _ -> (w, Nothing)
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}
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tLightFade i rmax intensityF p@(V2 x y) = TLS
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{ _tlsPos = V3 x y 0
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, _tlsRad = rmax
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, _tlsIntensity = intensityF i
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, _tlsUpdate = \w _ -> (w, Just $ tLightFade (i-1) rmax intensityF p)
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}
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tLightRad
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:: Int
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-> Float -- ^ maximal radius
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-> Float -- ^ minimal radius (unused)
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-> Point2
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-> TempLightSource
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tLightRad 0 rmax _ (V2 x y) = TLS
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{ _tlsPos = V3 x y 0
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, _tlsRad = rmax
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, _tlsIntensity = 0.5
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, _tlsUpdate = \w _ -> (w, Nothing)
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}
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tLightRad i rmax rmin p@(V2 x y) = TLS
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{ _tlsPos = V3 x y 0
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, _tlsRad = rmax
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, _tlsIntensity = 0.5
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, _tlsUpdate = \w _ -> (w, Just $ tLightRad (i-1) rmax rmin p)
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}
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tLightAt :: Int -> Point2 -> TempLightSource
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tLightAt i = tLightRad i 100 0
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