diff --git a/source/gameengine/Converter/KX_ConvertSensors.cpp b/source/gameengine/Converter/KX_ConvertSensors.cpp
index 538f9e2c833..acaf911c26e 100644
--- a/source/gameengine/Converter/KX_ConvertSensors.cpp
+++ b/source/gameengine/Converter/KX_ConvertSensors.cpp
@@ -260,14 +260,9 @@ void BL_ConvertSensors(struct Object* blenderobject,
 					// this sumoObject is not deleted by a gameobj, so delete it ourself
 					// later (memleaks)!
 					float radius = blendernearsensor->dist;
-					PHY__Vector3 pos;
 					const MT_Vector3& wpos = gameobj->NodeGetWorldPosition();
-					pos[0] = (float)wpos[0];
-					pos[1] = (float)wpos[1];
-					pos[2] = (float)wpos[2];
-					pos[3] = 0.f;
 					bool bFindMaterial = false;
-					PHY_IPhysicsController* physCtrl = kxscene->GetPhysicsEnvironment()->CreateSphereController(radius,pos);
+					PHY_IPhysicsController* physCtrl = kxscene->GetPhysicsEnvironment()->CreateSphereController(radius,wpos);
 
 					//will be done in KX_TouchEventManager::RegisterSensor()  
 					//if (isInActiveLayer)
diff --git a/source/gameengine/Ketsji/KX_CharacterWrapper.cpp b/source/gameengine/Ketsji/KX_CharacterWrapper.cpp
index a669bdd2586..3fbddef89be 100644
--- a/source/gameengine/Ketsji/KX_CharacterWrapper.cpp
+++ b/source/gameengine/Ketsji/KX_CharacterWrapper.cpp
@@ -113,10 +113,8 @@ PyObject *KX_CharacterWrapper::pyattr_get_jump_count(void *self_v, const KX_PYAT
 PyObject *KX_CharacterWrapper::pyattr_get_walk_dir(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
 {
 	KX_CharacterWrapper* self = static_cast<KX_CharacterWrapper*>(self_v);
-	PHY__Vector3 vec = self->m_character->GetWalkDirection();
-	MT_Vector3 retval = MT_Vector3(vec[0], vec[1], vec[2]);
 
-	return PyObjectFrom(retval);
+	return PyObjectFrom(self->m_character->GetWalkDirection());
 }
 
 int KX_CharacterWrapper::pyattr_set_walk_dir(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
@@ -128,12 +126,7 @@ int KX_CharacterWrapper::pyattr_set_walk_dir(void *self_v, const KX_PYATTRIBUTE_
 		return PY_SET_ATTR_FAIL;
 	}
 
-	PHY__Vector3 vec;
-	vec[0] = dir[0];
-	vec[1] = dir[1];
-	vec[2] = dir[2];
-
-	self->m_character->SetWalkDirection(vec);
+	self->m_character->SetWalkDirection(dir);
 	return PY_SET_ATTR_SUCCESS;
 }
 
diff --git a/source/gameengine/Ketsji/KX_RayCast.cpp b/source/gameengine/Ketsji/KX_RayCast.cpp
index 2a6b7d122b5..878f9d267dc 100644
--- a/source/gameengine/Ketsji/KX_RayCast.cpp
+++ b/source/gameengine/Ketsji/KX_RayCast.cpp
@@ -51,10 +51,10 @@ KX_RayCast::KX_RayCast(KX_IPhysicsController* ignoreController, bool faceNormal,
 void KX_RayCast::reportHit(PHY_RayCastResult* result)
 {
 	m_hitFound = true;
-	m_hitPoint.setValue((const float*)result->m_hitPoint);
-	m_hitNormal.setValue((const float*)result->m_hitNormal);
+	m_hitPoint = MT_Vector3(result->m_hitPoint);
+	m_hitNormal = MT_Vector3(result->m_hitNormal);
 	m_hitUVOK = result->m_hitUVOK;
-	m_hitUV.setValue((const float*)result->m_hitUV);
+	m_hitUV = MT_Vector2(result->m_hitUV);
 	m_hitMesh = result->m_meshObject;
 	m_hitPolygon = result->m_polygon;
 }
diff --git a/source/gameengine/Ketsji/KX_Scene.cpp b/source/gameengine/Ketsji/KX_Scene.cpp
index bb2f9a8354a..fec275322e9 100644
--- a/source/gameengine/Ketsji/KX_Scene.cpp
+++ b/source/gameengine/Ketsji/KX_Scene.cpp
@@ -1490,7 +1490,7 @@ void KX_Scene::CalculateVisibleMeshes(RAS_IRasterizer* rasty,KX_Camera* cam, int
 	if (m_dbvt_culling) 
 	{
 		// test culling through Bullet
-		PHY__Vector4 planes[6];
+		MT_Vector4 planes[6];
 		// get the clip planes
 		MT_Vector4* cplanes = cam->GetNormalizedClipPlanes();
 		// and convert
@@ -1711,13 +1711,11 @@ void	KX_Scene::SetGravity(const MT_Vector3& gravity)
 
 MT_Vector3 KX_Scene::GetGravity()
 {
-	PHY__Vector3 gravity;
-	MT_Vector3 vec;
+	MT_Vector3 gravity;
 
 	GetPhysicsEnvironment()->getGravity(gravity);
-	vec = gravity.m_vec;
 
-	return vec;
+	return gravity;
 }
 
 void KX_Scene::SetSceneConverter(class KX_BlenderSceneConverter* sceneConverter)
diff --git a/source/gameengine/Ketsji/KX_VehicleWrapper.cpp b/source/gameengine/Ketsji/KX_VehicleWrapper.cpp
index 9cc91a33886..f189891bf02 100644
--- a/source/gameengine/Ketsji/KX_VehicleWrapper.cpp
+++ b/source/gameengine/Ketsji/KX_VehicleWrapper.cpp
@@ -59,19 +59,12 @@ PyObject *KX_VehicleWrapper::PyAddWheel(PyObject *args)
 			PyVecTo(pylistPos,attachPos);
 			PyVecTo(pylistDir,attachDir);
 			PyVecTo(pylistAxleDir,attachAxle);
-			PHY__Vector3 aPos,aDir,aAxle;
-			aPos[0] = attachPos[0];
-			aPos[1] = attachPos[1];
-			aPos[2] = attachPos[2];
-			aDir[0] = attachDir[0];
-			aDir[1] = attachDir[1];
-			aDir[2] = attachDir[2];
-			aAxle[0] = -attachAxle[0];//someone reverse some conventions inside Bullet (axle winding)
-			aAxle[1] = -attachAxle[1];
-			aAxle[2] = -attachAxle[2];
+
+			//someone reverse some conventions inside Bullet (axle winding)
+			attachAxle = -attachAxle;
 			
 			printf("attempt for addWheel: suspensionRestLength%f wheelRadius %f, hasSteering:%d\n",suspensionRestLength,wheelRadius,hasSteering);
-			m_vehicle->AddWheel(motionState,aPos,aDir,aAxle,suspensionRestLength,wheelRadius,hasSteering);
+			m_vehicle->AddWheel(motionState,attachPos,attachDir,attachAxle,suspensionRestLength,wheelRadius,hasSteering);
 		}
 		
 	} else {
diff --git a/source/gameengine/Ketsji/KX_VehicleWrapper.h b/source/gameengine/Ketsji/KX_VehicleWrapper.h
index ccd666e84f3..c38f57d8b9f 100644
--- a/source/gameengine/Ketsji/KX_VehicleWrapper.h
+++ b/source/gameengine/Ketsji/KX_VehicleWrapper.h
@@ -7,7 +7,6 @@
 #define __KX_VEHICLEWRAPPER_H__
 
 #include "Value.h"
-#include "PHY_DynamicTypes.h"
 class PHY_IVehicle;
 class PHY_IMotionState;
 
diff --git a/source/gameengine/Physics/Bullet/CcdGraphicController.cpp b/source/gameengine/Physics/Bullet/CcdGraphicController.cpp
index 36e7b0d482f..3cb80e53e12 100644
--- a/source/gameengine/Physics/Bullet/CcdGraphicController.cpp
+++ b/source/gameengine/Physics/Bullet/CcdGraphicController.cpp
@@ -55,7 +55,7 @@ void CcdGraphicController::setLocalAabb(const MT_Point3& aabbMin,const MT_Point3
 	SetGraphicTransform();
 }
 
-void CcdGraphicController::setLocalAabb(const PHY__Vector3& aabbMin,const PHY__Vector3& aabbMax)
+void CcdGraphicController::setLocalAabb(const MT_Vector3& aabbMin,const MT_Vector3& aabbMax)
 {
 	m_localAabbMin.setValue(aabbMin[0],aabbMin[1],aabbMin[2]);
 	m_localAabbMax.setValue(aabbMax[0],aabbMax[1],aabbMax[2]);
diff --git a/source/gameengine/Physics/Bullet/CcdGraphicController.h b/source/gameengine/Physics/Bullet/CcdGraphicController.h
index 72eb699ce5b..064f86040f6 100644
--- a/source/gameengine/Physics/Bullet/CcdGraphicController.h
+++ b/source/gameengine/Physics/Bullet/CcdGraphicController.h
@@ -42,7 +42,7 @@ public:
 
 	void setLocalAabb(const btVector3& aabbMin,const btVector3& aabbMax);
 	void setLocalAabb(const MT_Point3& aabbMin,const MT_Point3& aabbMax);
-	virtual void setLocalAabb(const PHY__Vector3& aabbMin,const PHY__Vector3& aabbMax);
+	virtual void setLocalAabb(const MT_Vector3& aabbMin,const MT_Vector3& aabbMax);
 	virtual void setLocalAabb(const float aabbMin[3],const float aabbMax[3]);
 
 	PHY_IMotionState* GetMotionState() { return m_motionState; }
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp b/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
index 0de21e33eff..ef43e094e6d 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
@@ -1092,7 +1092,7 @@ void		CcdPhysicsController::resolveCombinedVelocities(float linvelX,float linvel
 {
 }
 
-void 		CcdPhysicsController::getPosition(PHY__Vector3&	pos) const
+void 		CcdPhysicsController::getPosition(MT_Vector3&	pos) const
 {
 	const btTransform& xform = m_object->getWorldTransform();
 	pos[0] = xform.getOrigin().x();
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsController.h b/source/gameengine/Physics/Bullet/CcdPhysicsController.h
index b271b9c424f..f1f0ca31419 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsController.h
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsController.h
@@ -524,7 +524,7 @@ protected:
 		virtual	void		getOrientation(float &quatImag0,float &quatImag1,float &quatImag2,float &quatReal);
 		virtual	void		setOrientation(float quatImag0,float quatImag1,float quatImag2,float quatReal);
 		virtual	void		setPosition(float posX,float posY,float posZ);
-		virtual	void 		getPosition(PHY__Vector3&	pos) const;
+		virtual	void 		getPosition(MT_Vector3&	pos) const;
 
 		virtual	void		setScaling(float scaleX,float scaleY,float scaleZ);
 		
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
index 254624cd8a0..702452bc77e 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
@@ -97,9 +97,9 @@ public:
 
 	virtual void	AddWheel(
 		PHY_IMotionState*	motionState,
-		PHY__Vector3	connectionPoint,
-		PHY__Vector3	downDirection,
-		PHY__Vector3	axleDirection,
+		MT_Vector3	connectionPoint,
+		MT_Vector3	downDirection,
+		MT_Vector3	axleDirection,
 		float	suspensionRestLength,
 		float wheelRadius,
 		bool hasSteering
@@ -311,20 +311,16 @@ public:
 		return m_controller->getJumpCount();
 	}
 
-	virtual void SetWalkDirection(PHY__Vector3 dir)
+	virtual void SetWalkDirection(const MT_Vector3& dir)
 	{
 		btVector3 vec = btVector3(dir[0], dir[1], dir[2]);
 		m_controller->setWalkDirection(vec);
 	}
 
-	virtual PHY__Vector3 GetWalkDirection()
+	virtual MT_Vector3 GetWalkDirection()
 	{
 		btVector3 vec = m_controller->getWalkDirection();
-		PHY__Vector3 retval;
-		retval[0] = vec[0];
-		retval[1] = vec[1];
-		retval[2] = vec[2];
-		return retval;
+		return MT_Vector3(vec[0], vec[1], vec[2]);
 	}
 };
 
@@ -951,7 +947,7 @@ void		CcdPhysicsEnvironment::setSolverType(int solverType)
 
 
 
-void		CcdPhysicsEnvironment::getGravity(PHY__Vector3& grav)
+void		CcdPhysicsEnvironment::getGravity(MT_Vector3& grav)
 {
 		const btVector3& gravity = m_dynamicsWorld->getGravity();
 		grav[0] = gravity.getX();
@@ -1851,7 +1847,7 @@ struct	DbvtCullingCallback : btDbvt::ICollide
 };
 
 static OcclusionBuffer gOcb;
-bool CcdPhysicsEnvironment::cullingTest(PHY_CullingCallback callback, void* userData, PHY__Vector4 *planes, int nplanes, int occlusionRes, const int *viewport, double modelview[16], double projection[16])
+bool CcdPhysicsEnvironment::cullingTest(PHY_CullingCallback callback, void* userData, MT_Vector4 *planes, int nplanes, int occlusionRes, const int *viewport, double modelview[16], double projection[16])
 {
 	if (!m_cullingTree)
 		return false;
@@ -2362,7 +2358,7 @@ int numController = 0;
 
 
 
-PHY_IPhysicsController*	CcdPhysicsEnvironment::CreateSphereController(float radius,const PHY__Vector3& position)
+PHY_IPhysicsController*	CcdPhysicsEnvironment::CreateSphereController(float radius,const MT_Vector3& position)
 {
 	
 	CcdConstructionInfo	cinfo;
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
index 18ce0550498..8cf88526969 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
@@ -140,7 +140,7 @@ protected:
 		virtual void		setDebugMode(int debugMode);
 
 		virtual	void		setGravity(float x,float y,float z);
-		virtual	void		getGravity(PHY__Vector3& grav);
+		virtual	void		getGravity(MT_Vector3& grav);
 
 
 		virtual int			createConstraint(class PHY_IPhysicsController* ctrl,class PHY_IPhysicsController* ctrl2,PHY_ConstraintType type,
@@ -190,7 +190,7 @@ protected:
 		btTypedConstraint*	getConstraintById(int constraintId);
 
 		virtual PHY_IPhysicsController* rayTest(PHY_IRayCastFilterCallback &filterCallback, float fromX,float fromY,float fromZ, float toX,float toY,float toZ);
-		virtual bool cullingTest(PHY_CullingCallback callback, void* userData, PHY__Vector4* planes, int nplanes, int occlusionRes, const int *viewport, double modelview[16], double projection[16]);
+		virtual bool cullingTest(PHY_CullingCallback callback, void* userData, MT_Vector4* planes, int nplanes, int occlusionRes, const int *viewport, double modelview[16], double projection[16]);
 
 
 		//Methods for gamelogic collision/physics callbacks
@@ -200,7 +200,7 @@ protected:
 		virtual bool requestCollisionCallback(PHY_IPhysicsController* ctrl);
 		virtual bool removeCollisionCallback(PHY_IPhysicsController* ctrl);
 		//These two methods are used *solely* to create controllers for Near/Radar sensor! Don't use for anything else
-		virtual PHY_IPhysicsController*	CreateSphereController(float radius,const PHY__Vector3& position);
+		virtual PHY_IPhysicsController*	CreateSphereController(float radius,const MT_Vector3& position);
 		virtual PHY_IPhysicsController* CreateConeController(float coneradius,float coneheight);
 	
 
diff --git a/source/gameengine/Physics/Dummy/CMakeLists.txt b/source/gameengine/Physics/Dummy/CMakeLists.txt
index 6a21fc6fcb7..529a75b2a62 100644
--- a/source/gameengine/Physics/Dummy/CMakeLists.txt
+++ b/source/gameengine/Physics/Dummy/CMakeLists.txt
@@ -26,6 +26,7 @@
 set(INC
 	.
 	../common
+	../../../../intern/moto/include
 )
 
 set(INC_SYS
diff --git a/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.cpp b/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.cpp
index d1fabba18f9..72450e4307c 100644
--- a/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.cpp
+++ b/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.cpp
@@ -85,7 +85,7 @@ void DummyPhysicsEnvironment::setGravity(float x,float y,float z)
 {
 }
 
-void DummyPhysicsEnvironment::getGravity(PHY__Vector3& grav)
+void DummyPhysicsEnvironment::getGravity(class MT_Vector3& grav)
 {
 }
 
diff --git a/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.h b/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.h
index 5ce34bdf7cf..9f6bc85fced 100644
--- a/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.h
+++ b/source/gameengine/Physics/Dummy/DummyPhysicsEnvironment.h
@@ -56,7 +56,7 @@ public:
 	virtual	float		getFixedTimeStep();
 
 	virtual	void		setGravity(float x,float y,float z);
-	virtual	void		getGravity(PHY__Vector3& grav);
+	virtual	void		getGravity(class MT_Vector3& grav);
 
 	virtual int			createConstraint(class PHY_IPhysicsController* ctrl,class PHY_IPhysicsController* ctrl2,PHY_ConstraintType type,
 			float pivotX,float pivotY,float pivotZ,
@@ -80,7 +80,7 @@ public:
 	}
 
 	virtual PHY_IPhysicsController* rayTest(PHY_IRayCastFilterCallback &filterCallback, float fromX,float fromY,float fromZ, float toX,float toY,float toZ);
-	virtual bool cullingTest(PHY_CullingCallback callback, void* userData, PHY__Vector4* planes, int nplanes, int occlusionRes, const int *viewport, double modelview[16], double projection[16]) { return false; }
+	virtual bool cullingTest(PHY_CullingCallback callback, void* userData, class MT_Vector4* planes, int nplanes, int occlusionRes, const int *viewport, double modelview[16], double projection[16]) { return false; }
 
 
 	//gamelogic callbacks
@@ -91,7 +91,7 @@ public:
 		}
 		virtual bool requestCollisionCallback(PHY_IPhysicsController* ctrl) { return false; }
 		virtual bool removeCollisionCallback(PHY_IPhysicsController* ctrl) { return false;}
-		virtual PHY_IPhysicsController*	CreateSphereController(float radius,const PHY__Vector3& position) {return 0;}
+		virtual PHY_IPhysicsController*	CreateSphereController(float radius,const class MT_Vector3& position) {return 0;}
 		virtual PHY_IPhysicsController* CreateConeController(float coneradius,float coneheight) { return 0;}
 
 		virtual void	setConstraintParam(int constraintId,int param,float value,float value1)
diff --git a/source/gameengine/Physics/common/CMakeLists.txt b/source/gameengine/Physics/common/CMakeLists.txt
index 400e475f8a2..5e0e5964ca0 100644
--- a/source/gameengine/Physics/common/CMakeLists.txt
+++ b/source/gameengine/Physics/common/CMakeLists.txt
@@ -26,6 +26,7 @@
 set(INC
 	.
 	../Dummy
+	../../../../intern/moto/include
 )
 
 set(INC_SYS
diff --git a/source/gameengine/Physics/common/PHY_DynamicTypes.h b/source/gameengine/Physics/common/PHY_DynamicTypes.h
index 0fe2533cf93..d10f48ad7a4 100644
--- a/source/gameengine/Physics/common/PHY_DynamicTypes.h
+++ b/source/gameengine/Physics/common/PHY_DynamicTypes.h
@@ -20,69 +20,9 @@ subject to the following restrictions:
 #ifndef __PHY_DYNAMICTYPES_H__
 #define __PHY_DYNAMICTYPES_H__
 
-
+#include "MT_Vector3.h"
 
 struct KX_ClientObjectInfo;
-class PHY_Shape;
-
-struct	PHY__Vector2
-{
-	float	m_vec[2];
-
-	operator const float* () const 
-	{ 
-		return &m_vec[0];
-	}
-	operator float* () 
-	{ 
-		return &m_vec[0];
-	}
-};
-
-struct	PHY__Vector3
-{
-	float	m_vec[4];
-
-	operator const float* () const 
-	{ 
-		return &m_vec[0];
-	}
-	operator float* () 
-	{ 
-		return &m_vec[0];
-	}
-};
-
-struct	PHY__Vector4
-{
-	float	m_vec[4];
-	PHY__Vector4() {}
-	void setValue(const float *value)
-	{
-		m_vec[0] = *value++;
-		m_vec[1] = *value++;
-		m_vec[2] = *value++;
-		m_vec[3] = *value++;
-	}
-	void setValue(const double *value)
-	{
-		m_vec[0] = (float)(*value++);
-		m_vec[1] = (float)(*value++);
-		m_vec[2] = (float)(*value++);
-		m_vec[3] = (float)(*value++);
-	}
-
-	operator const float* () const 
-	{ 
-		return &m_vec[0];
-	}
-	operator float* () 
-	{ 
-		return &m_vec[0];
-	}
-};
-
-//typedef 	float	PHY__Vector3[4];
 
 enum
 {
@@ -97,9 +37,9 @@ enum
 };
 
 typedef struct PHY_CollData {
-	PHY__Vector3 m_point1;               /* Point in object1 in world coordinates */
-	PHY__Vector3 m_point2;               /* Point in object2 in world coordinates */
-	PHY__Vector3 m_normal;               /* point2 - point1 */
+	MT_Vector3 m_point1;               /* Point in object1 in world coordinates */
+	MT_Vector3 m_point2;               /* Point in object2 in world coordinates */
+	MT_Vector3 m_normal;               /* point2 - point1 */
 } PHY_CollData;
 
 
@@ -148,7 +88,4 @@ typedef enum PHY_ShapeType {
 	PHY_SHAPE_PROXY
 } PHY_ShapeType;
 
-
-typedef float	PHY_Vector3[3];
-
 #endif  /* __PHY_DYNAMICTYPES_H__ */
diff --git a/source/gameengine/Physics/common/PHY_ICharacter.h b/source/gameengine/Physics/common/PHY_ICharacter.h
index 8a599452816..a3d3000a143 100644
--- a/source/gameengine/Physics/common/PHY_ICharacter.h
+++ b/source/gameengine/Physics/common/PHY_ICharacter.h
@@ -28,8 +28,8 @@ public:
 
 	virtual int GetJumpCount()= 0;
 
-	virtual void SetWalkDirection(PHY__Vector3 dir)=0;
-	virtual PHY__Vector3 GetWalkDirection()=0;
+	virtual void SetWalkDirection(const class MT_Vector3& dir)=0;
+	virtual MT_Vector3 GetWalkDirection()=0;
 
 #ifdef WITH_CXX_GUARDEDALLOC
 	MEM_CXX_CLASS_ALLOC_FUNCS("GE:PHY_ICharacter")
diff --git a/source/gameengine/Physics/common/PHY_IGraphicController.h b/source/gameengine/Physics/common/PHY_IGraphicController.h
index fb36481ddbc..8c38eebe283 100644
--- a/source/gameengine/Physics/common/PHY_IGraphicController.h
+++ b/source/gameengine/Physics/common/PHY_IGraphicController.h
@@ -48,7 +48,7 @@ class PHY_IGraphicController : public PHY_IController
 		 */
 		virtual bool SetGraphicTransform()=0;
 		virtual void Activate(bool active=true)=0;
-		virtual void setLocalAabb(const PHY__Vector3& aabbMin,const PHY__Vector3& aabbMax)=0;
+		virtual void setLocalAabb(const class MT_Vector3& aabbMin,const class MT_Vector3& aabbMax)=0;
 		virtual void setLocalAabb(const float* aabbMin,const float* aabbMax)=0;
 
 		virtual PHY_IGraphicController*	GetReplica(class PHY_IMotionState* motionstate) {return 0;}
diff --git a/source/gameengine/Physics/common/PHY_IPhysicsController.h b/source/gameengine/Physics/common/PHY_IPhysicsController.h
index 871edeec752..e6f26bc5b1b 100644
--- a/source/gameengine/Physics/common/PHY_IPhysicsController.h
+++ b/source/gameengine/Physics/common/PHY_IPhysicsController.h
@@ -66,7 +66,7 @@ class PHY_IPhysicsController : public PHY_IController
 		virtual	void		getOrientation(float &quatImag0,float &quatImag1,float &quatImag2,float &quatReal)=0;
 		virtual	void		setOrientation(float quatImag0,float quatImag1,float quatImag2,float quatReal)=0;
 		virtual	void		setPosition(float posX,float posY,float posZ)=0;
-		virtual	void 		getPosition(PHY__Vector3&	pos) const=0;
+		virtual	void 		getPosition(class MT_Vector3&	pos) const=0;
 		virtual	void		setScaling(float scaleX,float scaleY,float scaleZ)=0;
 		
 		// physics methods
@@ -100,7 +100,7 @@ class PHY_IPhysicsController : public PHY_IController
 		virtual float GetLinVelocityMax() const=0;
 		virtual void  SetLinVelocityMax(float val) = 0;
 		
-		PHY__Vector3	GetWorldPosition(PHY__Vector3& localpos);
+		class MT_Vector3	GetWorldPosition(class MT_Vector3& localpos);
 
 
 #ifdef WITH_CXX_GUARDEDALLOC
diff --git a/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h b/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h
index 6a76745c7ca..e7560ea02cc 100644
--- a/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h
+++ b/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h
@@ -32,8 +32,10 @@
 #ifndef __PHY_IPHYSICSENVIRONMENT_H__
 #define __PHY_IPHYSICSENVIRONMENT_H__
 
-#include <vector>
 #include "PHY_DynamicTypes.h"
+#include "MT_Vector2.h"
+#include "MT_Vector3.h"
+#include "MT_Vector4.h"
 
 #ifdef WITH_CXX_GUARDEDALLOC
 #include "MEM_guardedalloc.h"
@@ -50,13 +52,13 @@ class PHY_IPhysicsController;
 struct PHY_RayCastResult
 {
 	PHY_IPhysicsController* m_controller;
-	PHY__Vector3			m_hitPoint;
-	PHY__Vector3			m_hitNormal;
+	MT_Vector3			m_hitPoint;
+	MT_Vector3			m_hitNormal;
 	const RAS_MeshObject*	m_meshObject;	// !=NULL for mesh object (only for Bullet controllers) 
 	int						m_polygon;		// index of the polygon hit by the ray,
 											// only if m_meshObject != NULL
 	int                     m_hitUVOK;		// !=0 if UV coordinate in m_hitUV is valid
-	PHY__Vector2			m_hitUV;		// UV coordinates of hit point
+	MT_Vector2			m_hitUV;		// UV coordinates of hit point
 };
 
 /**
@@ -144,7 +146,7 @@ class PHY_IPhysicsEnvironment
 		virtual void		setUseEpa(bool epa) {}
 
 		virtual	void		setGravity(float x,float y,float z)=0;
-		virtual	void		getGravity(PHY__Vector3& grav) = 0;
+		virtual	void		getGravity(MT_Vector3& grav) = 0;
 
 		virtual int			createConstraint(class PHY_IPhysicsController* ctrl,class PHY_IPhysicsController* ctrl2,PHY_ConstraintType type,
 			float pivotX,float pivotY,float pivotZ,
@@ -167,7 +169,7 @@ class PHY_IPhysicsEnvironment
 		//culling based on physical broad phase
 		// the plane number must be set as follow: near, far, left, right, top, botton
 		// the near plane must be the first one and must always be present, it is used to get the direction of the view
-		virtual bool cullingTest(PHY_CullingCallback callback, void *userData, PHY__Vector4* planeNormals, int planeNumber, int occlusionRes, const int *viewport, double modelview[16], double projection[16]) = 0;
+		virtual bool cullingTest(PHY_CullingCallback callback, void *userData, MT_Vector4* planeNormals, int planeNumber, int occlusionRes, const int *viewport, double modelview[16], double projection[16]) = 0;
 
 		//Methods for gamelogic collision/physics callbacks
 		//todo:
@@ -177,7 +179,7 @@ class PHY_IPhysicsEnvironment
 		virtual bool requestCollisionCallback(PHY_IPhysicsController* ctrl)=0;
 		virtual bool removeCollisionCallback(PHY_IPhysicsController* ctrl)=0;
 		//These two methods are *solely* used to create controllers for sensor! Don't use for anything else
-		virtual PHY_IPhysicsController*	CreateSphereController(float radius,const PHY__Vector3& position) =0;
+		virtual PHY_IPhysicsController*	CreateSphereController(float radius,const MT_Vector3& position) =0;
 		virtual PHY_IPhysicsController* CreateConeController(float coneradius,float coneheight)=0;
 		
 		virtual void	setConstraintParam(int constraintId,int param,float value,float value1) = 0;
diff --git a/source/gameengine/Physics/common/PHY_IVehicle.h b/source/gameengine/Physics/common/PHY_IVehicle.h
index ecf7a87c40f..624f435c9f0 100644
--- a/source/gameengine/Physics/common/PHY_IVehicle.h
+++ b/source/gameengine/Physics/common/PHY_IVehicle.h
@@ -22,9 +22,9 @@ public:
 	
 	virtual void	AddWheel(
 			PHY_IMotionState* motionState,
-			PHY__Vector3	connectionPoint,
-			PHY__Vector3	downDirection,
-			PHY__Vector3	axleDirection,
+			MT_Vector3	connectionPoint,
+			MT_Vector3	downDirection,
+			MT_Vector3	axleDirection,
 			float	suspensionRestLength,
 			float wheelRadius,
 			bool hasSteering