Rotate camera on chasm edges

src/Dodge/Creature/Update.hs

@@ -1,5 +1,7 @@
 module Dodge.Creature.Update (updateCreature) where
 
+import Dodge.Update.Camera.Rotate
+import SDL (MouseButton (..))
 import Dodge.Creature.Vocalization
 import RandomHelp
 import Data.Maybe
@@ -128,6 +130,7 @@ chasmTest cr w
     | Just (x, y) <- List.find g (w ^. cWorld . cliffs) = w
             & soundContinue (CrChasm (_crID cr)) (cr ^. crPos . _xy) debrisS (Just 100)
             & tocr . crPos . _xy -~ normalizeV (vNormal (x - y))
+            & chasmRotate cr (x - y)
     | any f (w ^. cWorld . chasms) = w & tocr . crZVel -~ 0.5
     | otherwise = w
   where
@@ -135,6 +138,13 @@ chasmTest cr w
     g = uncurry $ circOnSeg (cr ^. crPos . _xy) (crRad $ cr ^. crType)
     f = circInPolygon (cr ^. crPos . _xy) (crRad $ cr ^. crType)
 
+chasmRotate :: Creature -> Point2 -> World -> World
+chasmRotate cr v w 
+    | t = rotateTo8 (argV v) w
+    | otherwise = w
+  where
+    t = cr ^. crID == 0 && isNothing (w ^? input . mouseButtons . ix SDL.ButtonRight)
+
 updatePulse :: Pulse -> Pulse
 updatePulse p
     | p ^. pulseProgress >= p ^. pulseRate = p & pulseProgress .~ 0