diff --git a/include/amuse/Emitter.hpp b/include/amuse/Emitter.hpp
index 6db53fe..c0b29c8 100644
--- a/include/amuse/Emitter.hpp
+++ b/include/amuse/Emitter.hpp
@@ -22,8 +22,8 @@ public:
     ~Emitter();
     Emitter(Engine& engine, const AudioGroup& group, std::shared_ptr<Voice>&& vox);
 
-    void setPos(const Vector3f& pos);
-    void setDir(const Vector3f& dir);
+    void setPos(const float* pos);
+    void setDir(const float* dir);
     void setMaxDist(float maxDist);
     void setMaxVol(float maxVol);
     void setMinVol(float minVol);
diff --git a/include/amuse/Engine.hpp b/include/amuse/Engine.hpp
index c7644e3..1ece7d6 100644
--- a/include/amuse/Engine.hpp
+++ b/include/amuse/Engine.hpp
@@ -96,8 +96,13 @@ public:
     }
 
     /** Start soundFX playing from loaded audio groups, attach to positional emitter */
-    std::shared_ptr<Emitter> addEmitter(const Vector3f& pos, const Vector3f& dir, float maxDist, float falloff,
+    std::shared_ptr<Emitter> addEmitter(const float* pos, const float* dir, float maxDist, float falloff,
                                         int sfxId, float minVol, float maxVol, std::weak_ptr<Studio> smx);
+    std::shared_ptr<Emitter> addEmitter(const float* pos, const float* dir, float maxDist, float falloff,
+                                        int sfxId, float minVol, float maxVol)
+    {
+        return addEmitter(pos, dir, maxDist, falloff, sfxId, minVol, maxVol, m_defaultStudio);
+    }
 
     /** Start song playing from loaded audio groups */
     std::shared_ptr<Sequencer> seqPlay(int groupId, int songId, const unsigned char* arrData,
diff --git a/lib/Emitter.cpp b/lib/Emitter.cpp
index d29312f..0276d87 100644
--- a/lib/Emitter.cpp
+++ b/lib/Emitter.cpp
@@ -18,9 +18,9 @@ void Emitter::_destroy()
     m_vox->kill();
 }
 
-void Emitter::setPos(const Vector3f& pos) {}
+void Emitter::setPos(const float* pos) {}
 
-void Emitter::setDir(const Vector3f& dir) {}
+void Emitter::setDir(const float* dir) {}
 
 void Emitter::setMaxDist(float maxDist) {}
 
diff --git a/lib/Engine.cpp b/lib/Engine.cpp
index 1a873e2..2047b14 100644
--- a/lib/Engine.cpp
+++ b/lib/Engine.cpp
@@ -320,7 +320,7 @@ std::shared_ptr<Voice> Engine::fxStart(int sfxId, float vol, float pan, std::wea
 }
 
 /** Start soundFX playing from loaded audio groups, attach to positional emitter */
-std::shared_ptr<Emitter> Engine::addEmitter(const Vector3f& pos, const Vector3f& dir, float maxDist, float falloff,
+std::shared_ptr<Emitter> Engine::addEmitter(const float* pos, const float* dir, float maxDist, float falloff,
                                             int sfxId, float minVol, float maxVol, std::weak_ptr<Studio> smx)
 {
     auto search = m_sfxLookup.find(sfxId);