diff --git a/src/Dodge/Block/Debris.hs b/src/Dodge/Block/Debris.hs
index 09975628d..4b20fc941 100644
--- a/src/Dodge/Block/Debris.hs
+++ b/src/Dodge/Block/Debris.hs
@@ -31,8 +31,7 @@ makeDoorDebris dr w = w & makeDebris mt p
     mt = fromMaybe Stone $ do
         wlids <- w ^? cWorld . lWorld . doors . ix (_drID dr) . drFootPrint
         ((wlid,_),_) <- IM.minViewWithKey wlids 
-        wl <- w ^? cWorld . lWorld . walls . ix wlid
-        return $ wl ^. wlMaterial
+        w ^? cWorld . lWorld . walls . ix wlid . wlMaterial
 
 makeBlockDebris :: Block -> World -> World
 makeBlockDebris bl w = foldl' (flip $ makeDebris mt) w ps
diff --git a/src/Dodge/Projectile/Update.hs b/src/Dodge/Projectile/Update.hs
index a3309506f..e073ef93f 100644
--- a/src/Dodge/Projectile/Update.hs
+++ b/src/Dodge/Projectile/Update.hs
@@ -128,7 +128,6 @@ tryThrust pj = fromMaybe id $ do
 
 doThrust :: Projectile -> Maybe RocketSmoke -> World -> World
 doThrust pj smoke w =
---doThrust pj _ w =
     w
         & randGen .~ g
         & cWorld . lWorld . projectiles . ix i . pjVel . _xy %~ (\v -> accel + frict *^ v)
diff --git a/src/Dodge/Room/LongDoor.hs b/src/Dodge/Room/LongDoor.hs
index 69fe99699..ae0d25e0a 100644
--- a/src/Dodge/Room/LongDoor.hs
+++ b/src/Dodge/Room/LongDoor.hs
@@ -94,13 +94,12 @@ addSouthPillars x h r = do
     return $ r & rmPmnts .++~ pillars
 
 addButtonSlowDoor :: RandomGen g => Float -> Float -> Room -> State g Room
-addButtonSlowDoor x h rm = do
-    shuffleLinks $
-        setOutLinksPD (f (> h + 40)) $
-            setInLinksPD (f (< h - 40)) $
-                rm
-                    & rmPmnts <>~ [butDoor, theterminal]
-                    & rmBound .:~ openDoorBound
+addButtonSlowDoor x h =
+    shuffleLinks
+        . setOutLinksPD (f (> h + 40))
+        . setInLinksPD (f (< h - 40))
+        . (rmPmnts <>~ [butDoor, theterminal])
+        . (rmBound .:~ openDoorBound)
   where
     f g y = g $ y ^. _1 . _y
     theterminal =
diff --git a/src/Dodge/WorldBool.hs b/src/Dodge/WorldBool.hs
index 7723044c0..bc29993fa 100644
--- a/src/Dodge/WorldBool.hs
+++ b/src/Dodge/WorldBool.hs
@@ -14,6 +14,7 @@ doWdBl wb w = case wb of
     WdBlDoorMoving i -> fromMaybe False $ do
         dr <- w ^? cWorld . lWorld . doors . ix i
         return (0 /= _drLerp dr && 1 /= _drLerp dr)
-    WdBlCrFilterNearPoint r p t -> any (crNearPoint r p) (IM.filter (doCrBl t) (w ^. cWorld . lWorld . creatures))
+    WdBlCrFilterNearPoint r p t 
+        -> any (crNearPoint r p) (IM.filter (doCrBl t) (w ^. cWorld . lWorld . creatures))
     WdBlBtOn btid -> w ^?! cWorld . lWorld . buttons . ix btid . btEvent . btOn -- unsafe
     WdBlNegate x -> not $ doWdBl x w
diff --git a/src/Dodge/WorldEvent/Explosion.hs b/src/Dodge/WorldEvent/Explosion.hs
index 5b02bcfe8..00f1d3705 100644
--- a/src/Dodge/WorldEvent/Explosion.hs
+++ b/src/Dodge/WorldEvent/Explosion.hs
@@ -8,6 +8,7 @@ module Dodge.WorldEvent.Explosion (
     makeTeslaExplosionAt,
 ) where
 
+import Linear
 import Control.Monad
 import Data.List
 import Dodge.Data.World
@@ -19,8 +20,6 @@ import Geometry
 import LensHelp
 import Picture
 import RandomHelp
-import Linear.V3
-import Linear.Metric
 
 makePoisonExplosionAt ::
     -- | Position
@@ -72,19 +71,17 @@ makeFlameExplosionAt p w =
 
 makeExplosionAt :: Point3 -> Point3 -> World -> World
 makeExplosionAt p vel w =
---makeExplosionAt p _ w =
     w
         & soundStart (Explosion (w ^. cWorld . lWorld . lClock)) (p ^. _xy) bangS Nothing
         & addFlames
         & cWorld . lWorld . worldEvents 
             .:~ MakeTempLight (LSParam p 150 (V3 1 0.5 0)) 20
         & makeShockwaveAt [] p 50 100 1 white
---        & makeShockwaveAt [] p 50 5000 1 white
   where
     fVs = fmap (`v2z` 0) $ replicateM 100 (randInCirc 1) & evalState $ _randGen w
     fPs' = fmap (`v2z` 0) $ replicateM 100 (randInCirc 5) & evalState $ _randGen w
     fdamps = replicateM 100 (state $ randomR (0,1)) & evalState $ _randGen w
-    inversePushOut v = (15 - norm v) * 0.01 *.*.* v
+    inversePushOut v = (15 - norm v) * 0.01 *^ v
     fVs' = zipWith (+.+.+) fVs $ map inversePushOut fPs'
     sizes = randomRs (2, 9) $ _randGen w
     times = randomRs (15, 20) $ _randGen w