Add generic derivations and To/FromJSON instances

src/Dodge/Data/TractorBeam.hs

@@ -1,6 +1,9 @@
+{-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE StrictData #-}
 module Dodge.Data.TractorBeam where
+import GHC.Generics
+import Data.Aeson
 import Geometry.Data
 import Control.Lens
 data TractorBeam = TractorBeam
@@ -9,5 +12,8 @@ data TractorBeam = TractorBeam
     , _tbVel :: Point2
     , _tbTime :: Int
     }
-  deriving (Eq,Ord,Show,Read)
+  deriving (Eq,Ord,Show,Read,Generic)
+instance ToJSON TractorBeam  where
+    toEncoding = genericToEncoding defaultOptions
+instance FromJSON TractorBeam 
 makeLenses ''TractorBeam