Revert "Simplify clouds"

This reverts commit bd50262ca4.

src/Dodge/Update.hs

@@ -14,7 +14,7 @@ import Data.Maybe
 import Data.Monoid
 import Dodge.Base
 import Dodge.Bullet
---import Dodge.Cloud
+import Dodge.Cloud
 import Dodge.CrGroupUpdate
 import Dodge.Creature.Mass
 import Dodge.Creature.Radius
@@ -802,15 +802,17 @@ updateCloud w c
                 & clTimer -~ 1
         )
   where
-    newVel = 0.95 *^ (springVels & _z +~ 0.02)
+    newVel@(V3 _ _ nvz) = (0.95 *^ springVels) + V3 0 0 (0.01 * vertVel)
+    newVel2 = stripZ newVel
+    vertVel = min 5 $ clAlt c - opz
     springVels = foldl' (clClSpringVel c) (_clVel c) (clsNearPoint oldPos2 w)
-    oldPos = _clPos c
+    oldPos@(V3 _ _ opz) = _clPos c
     oldPos2 = stripZ oldPos
-    newPos@(V3 _ _ npz) = oldPos + newVel
+    newPos@(V3 _ _ npz) = oldPos +.+.+ newVel
     newPos2 = stripZ newPos
     hitWl = bouncePoint (const True) 1 oldPos2 newPos2 w
     finalPos = addZ (max 1 $ min 90 npz) $ maybe newPos2 fst hitWl
-    finalVel = newVel & _xy %~ maybe id (const . snd) hitWl
+    finalVel = addZ nvz $ maybe newVel2 snd hitWl
 
 updateDust :: World -> Dust -> Maybe Dust
 updateDust w c
@@ -833,12 +835,12 @@ updateDust w c
 
 clClSpringVel :: Cloud -> Point3 -> Cloud -> Point3
 clClSpringVel a v b
-    | dist3 pa pb < radDist = v + 0.1 *^ normalize (pa - pb)
+    | dist3 pa pb < radDist = v +.+.+ 0.1 *.*.* normalizeV3 (pa -.-.- pb)
     | otherwise = v
   where
     pa = _clPos a
     pb = _clPos b
-    radDist = 8
+    radDist = 10
 
 --radDist = (_clRad a + _clRad b) / 2