Refactor, try to limit dependencies

src/Dodge/Data/TeslaArc.hs

@@ -1,21 +1,22 @@
-{-# LANGUAGE DeriveGeneric #-}
-{-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE StrictData #-}
+{-# LANGUAGE TemplateHaskell #-}
+
 module Dodge.Data.TeslaArc where
-import GHC.Generics
-import Data.Aeson
-import Geometry.Data
+
 import Color
 import Control.Lens
+import Data.Aeson
+import Data.Aeson.TH
 import Dodge.Data.ArcStep
+import Geometry.Data
+
 data TeslaArc = TeslaArc
     { _taPoints :: [Point2]
     , _taTimer :: Int
     , _taArcSteps :: [ArcStep]
     , _taColor :: Color
     }
-  deriving (Eq,Ord,Show,Read,Generic)
-instance ToJSON TeslaArc  where
-    toEncoding = genericToEncoding defaultOptions
-instance FromJSON TeslaArc 
+    deriving (Eq, Ord, Show, Read)
+
 makeLenses ''TeslaArc
+deriveJSON defaultOptions ''TeslaArc