diff --git a/src/actor.h b/src/actor.h
index 846d1f0d9..137687e66 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -588,6 +588,36 @@ enum
 	AMETA_BloodType3,		// AxeBlood replacement type
 };
 
+struct fixedvec3
+{
+	fixed_t x, y, z;
+
+	operator FVector3()
+	{
+		return FVector3(FIXED2FLOAT(x), FIXED2FLOAT(y), FIXED2FLOAT(z));
+	}
+
+	operator TVector3<double>()
+	{
+		return TVector3<double>(FIXED2DBL(x), FIXED2DBL(y), FIXED2DBL(z));
+	}
+};
+
+struct fixedvec2
+{
+	fixed_t x, y;
+
+	operator FVector2()
+	{
+		return FVector2(FIXED2FLOAT(x), FIXED2FLOAT(y));
+	}
+
+	operator TVector2<double>()
+	{
+		return TVector2<double>(FIXED2DBL(x), FIXED2DBL(y));
+	}
+};
+
 struct FDropItem 
 {
 	FName Name;
@@ -909,6 +939,18 @@ public:
 		return R_PointToAngle2(myx, myy, other->x, other->y);
 	}
 
+	fixedvec2 Vec2To(AActor *other) const
+	{
+		fixedvec2 ret = { other->x - x, other->y - y };
+		return ret;
+	}
+
+	fixedvec3 Vec3To(AActor *other) const
+	{
+		fixedvec3 ret = { other->x - x, other->y - y, other->z - z };
+		return ret;
+	}
+
 	inline void SetFriendPlayer(player_t *player);
 
 	bool IsVisibleToPlayer() const;