83 lines
2.1 KiB
Haskell
83 lines
2.1 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Scenes.Test.Update where
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import Affection
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import Control.Concurrent.STM
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import qualified Data.Vector as V
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import Data.String (fromString)
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-- internal imports
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import Scenes.Test.Types
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import Classes
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import Types
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update
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:: Test
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-> Double
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-> Affection ()
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update level dt = liftIO $ do
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logIO Debug ("FPS: " <> fromString (show $ 1 / dt))
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-- Let all Actors update themselves and check for collisions
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-- (Typeclasses rock!)
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atomically $ do
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lmap <- readTMVar (testMap level)
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let layer = mapLayers lmap V.! fromIntegral (mapWalkLayer lmap)
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modifyTVar
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(testCast level) $ \cast ->
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let playedCast =
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V.map
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(\(Cast c) -> Cast (perform dt c))
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cast
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collidedCast =
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(\(Cast c1) (Cast c2) ->
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Cast $
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if collisionCheck dt c1 c2
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then collide c1 c2
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else c1
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)
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<$> playedCast <*> playedCast
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wallCast (Cast c) = Cast $
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V.foldl
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(\member tile ->
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if collisionCheck dt member tile
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then collide member tile
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else member
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)
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c
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layer
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walledCast =
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V.map wallCast collidedCast
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in
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V.map
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(\(Cast c) -> Cast $
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move dt c
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)
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walledCast
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updatedCast <- readTVar (testCast level)
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modifyTVar
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(testPlayer level) $ \(Just pituicat) ->
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let playedCat = perform dt pituicat
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collidedCat =
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V.foldl
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(\cat (Cast c) ->
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if collisionCheck dt cat c
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then collide cat c
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else cat
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)
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playedCat
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updatedCast
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walledCat =
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V.foldl
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(\cat tile ->
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if collisionCheck dt cat tile
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then collide cat tile
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else cat
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)
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collidedCat
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layer
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in Just $ walledCat
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