diff --git a/source/games/blood/src/nnexts.cpp b/source/games/blood/src/nnexts.cpp
index e94be5238..757c3a5be 100644
--- a/source/games/blood/src/nnexts.cpp
+++ b/source/games/blood/src/nnexts.cpp
@@ -7673,9 +7673,8 @@ bool setDataValueOfObject(int objType, sectortype* sect, walltype* wal, DBloodAc
 //
 //---------------------------------------------------------------------------
 
-bool nnExtCanMove(DBloodActor* actor, DBloodActor* target, DAngle nAngle, int nRange_)
+bool nnExtCanMove(DBloodActor* actor, DBloodActor* target, DAngle nAngle, double nRange)
 {
-	double nRange = nRange_ * inttoworld;
 	DVector3 pos = actor->spr.pos;
 	DVector3 nAngVect(nAngle.ToVector(), 0);
 
@@ -7712,11 +7711,8 @@ void nnExtAiSetDirection(DBloodActor* actor, DAngle direction)
 	assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
 
 	DAngle vc = deltaangle(actor->spr.angle, direction);
-	double nCos = actor->spr.angle.Cos();
-	double nSin = actor->spr.angle.Sin();
-	double t1 = actor->vel.X * nCos + actor->vel.Y * nSin;
-	int range = FloatToFixed(t1 * (15 / 8192.));
 	DAngle v8 = vc > nullAngle ? DAngle180 / 3 : -DAngle180 / 3;
+	double range = actor->vel.XY().dot(actor->spr.angle.ToVector()) * 120;
 
 	if (nnExtCanMove(actor, actor->GetTarget(), actor->spr.angle + vc, range))
 		actor->xspr.goalAng = actor->spr.angle + vc;
diff --git a/source/games/blood/src/nnsprinsect.cpp b/source/games/blood/src/nnsprinsect.cpp
index 6451fc179..3c502bebd 100644
--- a/source/games/blood/src/nnsprinsect.cpp
+++ b/source/games/blood/src/nnsprinsect.cpp
@@ -29,7 +29,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 BEGIN_BLD_NS
 
-TArray<DBloodActor*> getSpritesNearWalls(sectortype* pSrcSect, int nDist);
+TArray<DBloodActor*> getSpritesNearWalls(sectortype* pSrcSect, double nDist);
 
 // - CLASSES ------------------------------------------------------------------
 
@@ -41,7 +41,6 @@ class SPRINSECT
 {
 public:
     static const int kMaxSprNear = 256;
-    static const int kWallDist = 16;
 
     struct SPRITES
     {
@@ -52,7 +51,7 @@ private:
     TArray<SPRITES> db;
 public:
     void Free() { db.Clear(); }
-    void Init(int nDist = kWallDist); // used in trInit to collect the sprites before translation
+    void Init(double nDist = 1); // used in trInit to collect the sprites before translation
     void Serialize(FSerializer& pSave);
     TArray<TObjPtr<DBloodActor*>>* GetSprPtr(int nSector);
 	void Mark()
@@ -74,7 +73,7 @@ void MarkSprInSect()
 	gSprNSect.Mark();
 }
 
-void SPRINSECT::Init(int nDist)
+void SPRINSECT::Init(double nDist)
 {
     Free();
 
@@ -178,9 +177,8 @@ bool isMovableSector(sectortype* pSect)
     return false;
 }
 
-TArray<DBloodActor*> getSpritesNearWalls(sectortype* pSrcSect, int nDist)
+TArray<DBloodActor*> getSpritesNearWalls(sectortype* pSrcSect, double nDist)
 {
-	double dist = nDist * inttoworld;
     TArray<DBloodActor*> out;
 
     for(auto& wal : wallsofsector(pSrcSect))
diff --git a/source/games/blood/src/triggers.cpp b/source/games/blood/src/triggers.cpp
index d7741e001..4b3e81b95 100644
--- a/source/games/blood/src/triggers.cpp
+++ b/source/games/blood/src/triggers.cpp
@@ -2094,8 +2094,7 @@ void ProcessMotion(void)
 				continue;
 			else
 				pXSector->bobTheta += MulScale(pXSector->bobSpeed, pXSector->busy, 16);
-			int zoff_i = int(BobVal(pXSector->bobTheta) * (pXSector->bobZRange << 8));
-			double zoff = zoff_i * zinttoworld;
+			double zoff = BobVal(pXSector->bobTheta) * pXSector->bobZRange;
 
 			BloodSectIterator it(pSector);
 			while (auto actor = it.Next())