diff --git a/src/playsim/a_decals.cpp b/src/playsim/a_decals.cpp
index fc712a5d8..b9e54d25a 100644
--- a/src/playsim/a_decals.cpp
+++ b/src/playsim/a_decals.cpp
@@ -830,16 +830,36 @@ DBaseDecal *DImpactDecal::CloneSelf (const FDecalTemplate *tpl, double ix, doubl
 //
 //----------------------------------------------------------------------------
 
-void SprayDecal(AActor *shooter, const char *name, double distance)
+void SprayDecal(AActor *shooter, const char *name, double distance, DVector3 offset, DVector3 direction)
 {
+	//just in case
+	if (!shooter)
+		return;
+
 	FTraceResults trace;
+	DVector3 off(0, 0, 0), dir(0, 0, 0);
 
-	DAngle ang = shooter->Angles.Yaw;
-	DAngle pitch = shooter->Angles.Pitch;
-	double c = pitch.Cos();
-	DVector3 vec(c * ang.Cos(), c * ang.Sin(), -pitch.Sin());
+	//use vanilla offset only if "custom" equal to zero
+	if (offset.isZero() )
+		off = shooter->PosPlusZ(shooter->Height / 2);
 
-	if (Trace(shooter->PosPlusZ(shooter->Height / 2), shooter->Sector, vec, distance, 0, ML_BLOCKEVERYTHING, shooter, trace, TRACE_NoSky))
+	else
+		off = shooter->Pos() + offset;
+
+	//same for direction
+	if (direction.isZero() )
+	{
+		DAngle ang = shooter->Angles.Yaw;
+		DAngle pitch = shooter->Angles.Pitch;
+		double c = pitch.Cos();
+		dir = DVector3(c * ang.Cos(), c * ang.Sin(), -pitch.Sin());
+	}
+	
+	else
+		dir = direction;
+
+
+	if (Trace(off, shooter->Sector, dir, distance, 0, ML_BLOCKEVERYTHING, shooter, trace, TRACE_NoSky))
 	{
 		if (trace.HitType == TRACE_HitWall)
 		{
diff --git a/src/playsim/a_sharedglobal.h b/src/playsim/a_sharedglobal.h
index 9396b10a8..955d8d900 100644
--- a/src/playsim/a_sharedglobal.h
+++ b/src/playsim/a_sharedglobal.h
@@ -12,7 +12,7 @@ class DBaseDecal;
 struct SpreadInfo;
 
 DBaseDecal *ShootDecal(FLevelLocals *Level, const FDecalTemplate *tpl, sector_t *sec, double x, double y, double z, DAngle angle, double tracedist, bool permanent);
-void SprayDecal(AActor *shooter, const char *name,double distance = 172.);
+void SprayDecal(AActor *shooter, const char *name,double distance = 172., DVector3 offset = DVector3(0., 0., 0.), DVector3 direction = DVector3(0., 0., 0.) );
 
 class DBaseDecal : public DThinker
 {
diff --git a/src/playsim/p_actionfunctions.cpp b/src/playsim/p_actionfunctions.cpp
index 6afb74b3c..705e7f9da 100644
--- a/src/playsim/p_actionfunctions.cpp
+++ b/src/playsim/p_actionfunctions.cpp
@@ -4981,7 +4981,13 @@ DEFINE_ACTION_FUNCTION(AActor, A_SprayDecal)
 	PARAM_SELF_PROLOGUE(AActor);
 	PARAM_STRING(name);
 	PARAM_FLOAT(dist);
-	SprayDecal(self, name, dist);
+	PARAM_FLOAT(offset_x);
+	PARAM_FLOAT(offset_y);
+	PARAM_FLOAT(offset_z);
+	PARAM_FLOAT(direction_x);
+	PARAM_FLOAT(direction_y);
+	PARAM_FLOAT(direction_z);
+	SprayDecal(self, name, dist, DVector3(offset_x, offset_y, offset_z), DVector3(direction_x, direction_y, direction_z) );
 	return 0;
 }
 
diff --git a/wadsrc/static/zscript/actors/actor.zs b/wadsrc/static/zscript/actors/actor.zs
index e815d7c57..a49066a1e 100644
--- a/wadsrc/static/zscript/actors/actor.zs
+++ b/wadsrc/static/zscript/actors/actor.zs
@@ -1161,7 +1161,7 @@ class Actor : Thinker native
 	native bool A_SetVisibleRotation(double anglestart = 0, double angleend = 0, double pitchstart = 0, double pitchend = 0, int flags = 0, int ptr = AAPTR_DEFAULT);
 	native void A_SetTranslation(name transname);
 	native bool A_SetSize(double newradius = -1, double newheight = -1, bool testpos = false);
-	native void A_SprayDecal(String name, double dist = 172);
+	native void A_SprayDecal(String name, double dist = 172, vector3 offset = (0, 0, 0), vector3 direction = (0, 0, 0) );
 	native void A_SetMugshotState(String name);
 	native void CopyBloodColor(Actor other);