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Diffstat (limited to 'DefaultPlayer.hs')
-rw-r--r-- | DefaultPlayer.hs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/DefaultPlayer.hs b/DefaultPlayer.hs new file mode 100644 index 0000000..351928f --- /dev/null +++ b/DefaultPlayer.hs @@ -0,0 +1,35 @@ +{-# LANGUAGE DeriveDataTypeable, PatternGuards #-} + +module DefaultPlayer ( DefaultPlayer(..) + ) where + + +import qualified Data.Set as S +import Data.Fixed +import Data.Ratio ((%)) +import Data.Typeable + +import GLDriver +import Player +import Tank + + +data DefaultPlayer = DefaultPlayer (S.Set Key) + deriving (Typeable, Show) + +instance Player DefaultPlayer where + playerMovement (DefaultPlayer keys) _ = playerMovement' keys + + handleEvent (DefaultPlayer keys) ev + | Just (KeyPressEvent key) <- fromEvent ev = DefaultPlayer $ S.insert key keys + | Just (KeyReleaseEvent key) <- fromEvent ev = DefaultPlayer $ S.delete key keys + | otherwise = DefaultPlayer keys + + +playerMovement' :: S.Set Key -> (DefaultPlayer, Maybe Micro, Bool) +playerMovement' keys = (DefaultPlayer keys, angle, move) + where + x = (if (S.member KeyLeft keys) then (-1) else 0) + (if (S.member KeyRight keys) then 1 else 0) + y = (if (S.member KeyDown keys) then (-1) else 0) + (if (S.member KeyUp keys) then 1 else 0) + move = (x /= 0 || y /= 0) + angle = if move then Just $ fromRational $ round ((atan2 y x)*1000000*180/pi)%1000000 else Nothing |