Refactor slime update

src/Dodge/Room/Tutorial.hs

@@ -61,6 +61,7 @@ tutAnoTree = do
         , tToBTree "" . return . cleatOnward <$> ((putSingleLight =<< roomRectAutoLights 300 300)
             <&> rmPmnts <>~ [sps0 (PutCrit slimeCrit) & plSpot . psPos .~ V2 150 100
             , sps0 (PutCrit chaseCrit) & plSpot . psPos .~ V2 250 100
+            , sps0 (PutCrit hoverCrit) & plSpot . psPos .~ V2 250 50
             ]
             )
 --        , tToBTree "" . return . cleatOnward <$> (cChasm

src/Dodge/Update.hs

@@ -1009,8 +1009,9 @@ crCrSpring c1 c2
     , distance xy1 xy2 < r1 - (r2 + 5)
         = feedSlime c1 c2
     | Just t <- c1 ^? crType . slimeSplitTimer 
-        , t <= 0 = 
-            cWorld . lWorld . creatures %~ (rolap . rolap')
+        , slimeFood c2
+        , t <= 0 = slimeSuck c1 c2
+--            cWorld . lWorld . creatures %~ (rolap . rolap')
     | SlimeCrit{} <- c1 ^. crType = id
     | SlimeCrit{} <- c2 ^. crType = id
     | otherwise = cWorld . lWorld . creatures %~ ( olap c1 c2 . olap' c2 c1)
@@ -1024,8 +1025,8 @@ crCrSpring c1 c2
     olap a b = ix (a ^. crID) . crPos . _xy +~ overlap b
     olap' a b = ix (a ^. crID) . crPos . _xy -~ overlap b
     suckx = (min 1 $ 2 * (1 - distance xy1 xy2 / (r1 + r2))) ^ (2:: Int)
-    rolap = ix id1 . crPos . _xy +~ f (suckx * 1.5 * m2 / (m1+m2)) *^ normalize (xy2 - xy1)
-    rolap' = ix id2 . crPos . _xy +~ f (suckx * 1.5*m1 / (m1+m2)) *^ normalize (xy1 - xy2)
+--    rolap = ix id1 . crPos . _xy +~ f (suckx * 1.5 * m2 / (m1+m2)) *^ normalize (xy2 - xy1)
+--    rolap' = ix id2 . crPos . _xy +~ f (suckx * 1.5*m1 / (m1+m2)) *^ normalize (xy1 - xy2)
     f = min (distance xy1 xy2/2)
     id1 = _crID c1
     id2 = _crID c2
@@ -1041,6 +1042,22 @@ crCrSpring c1 c2
     m1 = crMass $ c1 ^. crType
     m2 = crMass $ c2 ^. crType
 
+slimeSuck :: Creature -> Creature -> World -> World
+slimeSuck c1 c2 = cWorld . lWorld . creatures %~ (rolap . rolap')
+  where
+    suckx = (min 1 $ 2 * (1 - distance xy1 xy2 / (r1 + r2))) ^ (2:: Int)
+    rolap = ix id1 . crPos . _xy +~ f (suckx * 1.5 * m2 / (m1+m2)) *^ normalize (xy2 - xy1)
+    rolap' = ix id2 . crPos . _xy +~ f (suckx * 1.5*m1 / (m1+m2)) *^ normalize (xy1 - xy2)
+    f = min (distance xy1 xy2/2)
+    id1 = _crID c1
+    id2 = _crID c2
+    xy1 = c1 ^. crPos . _xy
+    xy2 = c2 ^. crPos . _xy
+    r1 = crRad (c1 ^. crType)
+    r2 = crRad (c2 ^. crType)
+    m1 = crMass $ c1 ^. crType
+    m2 = crMass $ c2 ^. crType
+
 slimeFood :: Creature -> Bool
 slimeFood cr = case cr ^. crType of
     Avatar{} -> True
@@ -1053,7 +1070,7 @@ feedSlime s c w = fromMaybe w $ do
     ch <- crHeight c
     return $ if min 10 r1 + s ^?! crType . slimeFeedProgress < max 15 (ch + 2)
         then w & cWorld . lWorld . creatures . ix (s ^. crID) . crType . slimeFeedProgress %~ (min r1 . (+0.7))
-                & cWorld . lWorld . creatures %~ (rolap . rolap')
+                & slimeSuck s c
         else
              w
             & cWorld . lWorld . creatures . ix (c ^. crID) . crHP .~ CrDestroyed Swallowed
@@ -1068,8 +1085,8 @@ feedSlime s c w = fromMaybe w $ do
     r = sqrt (r1*r1 + 4*r2*r2)
     id1 = s ^. crID
     id2 = c ^. crID
-    rolap = ix id1 . crPos . _xy +~ f' (suckx * 1.5 * m2 / (m1+m2)) *^ normalize (xy2 - xy1)
-    rolap' = ix id2 . crPos . _xy +~ f' (suckx * 1.5*m1 / (m1+m2)) *^ normalize (xy1 - xy2)
+--    rolap = ix id1 . crPos . _xy +~ f' (suckx * 1.5 * m2 / (m1+m2)) *^ normalize (xy2 - xy1)
+--    rolap' = ix id2 . crPos . _xy +~ f' (suckx * 1.5*m1 / (m1+m2)) *^ normalize (xy1 - xy2)
     m1 = crMass $ s ^. crType
     m2 = crMass $ c ^. crType
     suckx = (min 1 $ 2 * (1 - distance xy1 xy2 / (r1 + r2))) ^ (2:: Int)