diff --git a/build b/build
index b6377e04..3f4ee975 160000
--- a/build
+++ b/build
@@ -1 +1 @@
-Subproject commit b6377e0477014e8dbec14d73e7be86e062fb8065
+Subproject commit 3f4ee97584169819c4fbe95dea80ba83508fce15
diff --git a/sources/ewol/game/BoundingAABB.cpp b/sources/ewol/game/BoundingAABB.cpp
deleted file mode 100644
index 0cdfed90..00000000
--- a/sources/ewol/game/BoundingAABB.cpp
+++ /dev/null
@@ -1,300 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#include <ewol/debug.h>
-#include <ewol/game/BoundingAABB.h>
-#include <etk/math/Matrix4.h>
-#include <ewol/renderer/ResourceManager.h>
-
-
-game::BoundingAABB::BoundingAABB(void) :
-	m_PointStart(-1,-1,-1),
-	m_PointStop(1,1,1),
-	m_hasContact(false)
-{
-	#ifdef DEBUG
-		if (false == ewol::resource::Keep(m_displayBounding) ) {
-			EWOL_DEBUG("Can not keep ewol::Colored3DObject ...");
-		}
-		vec3 tmpPos(0,0,0);
-		for(int32_t iii=0; iii<36; iii++) {
-			m_vertices.PushBack(tmpPos);
-		}
-	#endif
-}
-
-game::BoundingAABB::~BoundingAABB(void)
-{
-	#ifdef DEBUG
-		ewol::resource::Release(m_displayBounding);
-	#endif
-}
-
-
-void game::BoundingAABB::Update(game::MeshObject& object, mat4& transformMatrix)
-{
-	for (int32_t iii=0; iii<object.m_vertices.Size(); iii++) {
-		vec3 point = transformMatrix * object.m_vertices[iii];
-		if (0 == iii) {
-			m_PointStart = point;
-			m_PointStop = point;
-		} else {
-			if (m_PointStart.x > point.x) {
-				m_PointStart.x = point.x;
-			} else if (m_PointStop.x < point.x) {
-				m_PointStop.x = point.x;
-			}
-			
-			if (m_PointStart.y > point.y) {
-				m_PointStart.y = point.y;
-			} else if (m_PointStop.y < point.y) {
-				m_PointStop.y = point.y;
-			}
-			
-			if (m_PointStart.z > point.z) {
-				m_PointStart.z = point.z;
-			} else if (m_PointStop.z < point.z) {
-				m_PointStop.z = point.z;
-			}
-		}
-	}
-	#ifdef DEBUG
-		vec3 tmpBB(0.001,0.001,0.001);
-		vec3 tmpStart = m_PointStart - tmpBB;
-		vec3 tmpStop = m_PointStop + tmpBB;
-		// (start) X / Y
-		vec3 tmpPos = tmpStart;
-		m_vertices[0] = tmpStart;
-		tmpPos.x = tmpStop.x;
-		m_vertices[1] = tmpPos;
-		tmpPos.y = tmpStop.y;
-		m_vertices[2] = tmpPos;
-		
-		m_vertices[3] = tmpStart;
-		m_vertices[4] = tmpPos;
-		tmpPos.x = tmpStart.x;
-		m_vertices[5] = tmpPos;
-		
-		// (start) Y / Z
-		tmpPos = tmpStart;
-		m_vertices[6] = tmpStart;
-		tmpPos.z = tmpStop.z;
-		m_vertices[7] = tmpPos;
-		tmpPos.y = tmpStop.y;
-		m_vertices[8] = tmpPos;
-		
-		m_vertices[9] = tmpStart;
-		m_vertices[10] = tmpPos;
-		tmpPos.z = tmpStart.z;
-		m_vertices[11] = tmpPos;
-		
-		// (start) X / Z
-		tmpPos = tmpStart;
-		m_vertices[12] = tmpStart;
-		tmpPos.x = tmpStop.x;
-		m_vertices[13] = tmpPos;
-		tmpPos.z = tmpStop.z;
-		m_vertices[14] = tmpPos;
-		
-		m_vertices[15] = tmpStart;
-		m_vertices[16] = tmpPos;
-		tmpPos.x = tmpStart.x;
-		m_vertices[17] = tmpPos;
-		
-		
-		// (stop) X / Y
-		tmpPos = tmpStop;
-		m_vertices[18] = tmpStop;
-		tmpPos.x = tmpStart.x;
-		m_vertices[19] = tmpPos;
-		tmpPos.y = tmpStart.y;
-		m_vertices[20] = tmpPos;
-		
-		m_vertices[21] = tmpStop;
-		m_vertices[22] = tmpPos;
-		tmpPos.x = tmpStop.x;
-		m_vertices[23] = tmpPos;
-		
-		// (stop) Y / Z
-		tmpPos = tmpStop;
-		m_vertices[24] = tmpStop;
-		tmpPos.z = tmpStart.z;
-		m_vertices[25] = tmpPos;
-		tmpPos.y = tmpStart.y;
-		m_vertices[26] = tmpPos;
-		
-		m_vertices[27] = tmpStop;
-		m_vertices[28] = tmpPos;
-		tmpPos.z = tmpStop.z;
-		m_vertices[29] = tmpPos;
-		
-		// (stop) X / Z
-		tmpPos = tmpStop;
-		m_vertices[30] = tmpStop;
-		tmpPos.x = tmpStart.x;
-		m_vertices[31] = tmpPos;
-		tmpPos.z = tmpStart.z;
-		m_vertices[32] = tmpPos;
-		
-		m_vertices[33] = tmpStop;
-		m_vertices[34] = tmpPos;
-		tmpPos.x = tmpStop.x;
-		m_vertices[35] = tmpPos;
-	#endif
-}
-
-
-void game::BoundingAABB::Draw(void)
-{
-	#ifdef DEBUG
-		draw::Colorf color(0.0, 1.0, 0.0, 0.2);
-		if (true == m_hasContact) {
-			color = draw::Colorf(1.0, 0.0, 0.0, 0.2);
-		}
-		if (0 != m_vertices.Size()) {
-			if (NULL != m_displayBounding) {
-				m_displayBounding->Draw(m_vertices, color, false);
-			}
-		} else {
-			EWOL_DEBUG("Bounding size is not correct...");
-		}
-	#endif
-}
-
-
-bool game::BoundingAABB::HasContact(game::BoundingAABB& obj)
-{
-	if(    m_PointStart.x > obj.m_PointStop.x
-	    || m_PointStop.x < obj.m_PointStart.x
-	    || m_PointStart.y > obj.m_PointStop.y
-	    || m_PointStop.y < obj.m_PointStart.y
-	    || m_PointStart.z > obj.m_PointStop.z
-	    || m_PointStop.z < obj.m_PointStart.z) {
-		return false;
-	}
-	return true;
-}
-
-
-vec3 game::BoundingAABB::CalculatePetetration(game::BoundingAABB& bbb, vec3& movingVect)
-{
-	float tmin = 0;
-	// note : We considere the AAA has this is the moving element...
-	// B is condered has a fixed element ...
-	vec3 penetration(0,0,0);
-	// X
-	if (movingVect.x >= 0) {
-		// case 1 :
-		//            ==>
-		//       AAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 2 :
-		//                  ==>
-		//      AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 3 :
-		//                  ==>
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBB
-		// case 4 :
-		//                  ==>
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
-		penetration.x = m_PointStop.x - bbb.m_PointStart.x;
-	} else {
-		// case 1 :
-		//            <==
-		//       AAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 2 :
-		//                  <==
-		//      AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 3 :
-		//                  <==
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBB
-		// case 4 :
-		//                  <==
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
-		penetration.x = m_PointStart.x - bbb.m_PointStop.x;
-	}
-	// Y
-	if (movingVect.y >= 0) {
-		penetration.y = m_PointStop.y - bbb.m_PointStart.y;
-	} else {
-		penetration.y = m_PointStart.y - bbb.m_PointStop.y;
-	}
-	// Z
-	if (movingVect.z >= 0) {
-		penetration.z = m_PointStop.z - bbb.m_PointStart.z;
-	} else {
-		penetration.z = m_PointStart.z - bbb.m_PointStop.z;
-	}
-	return penetration;
-	
-
-/*
-	// note : We considere the AAA has this is the moving element...
-	// B is condered has a fixed element ...
-	vec3 penetration(0,0,0);
-	// X
-	if (movingVect.x >= 0) {
-		// case 1 :
-		//            ==>
-		//       AAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 2 :
-		//                  ==>
-		//      AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 3 :
-		//                  ==>
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBB
-		// case 4 :
-		//                  ==>
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
-		penetration.x = m_PointStop.x - bbb.m_PointStart.x;
-	} else {
-		// case 1 :
-		//            <==
-		//       AAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 2 :
-		//                  <==
-		//      AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-		//              BBBBBBBBBBBBB
-		// case 3 :
-		//                  <==
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBB
-		// case 4 :
-		//                  <==
-		//              AAAAAAAAAAAAA
-		//      BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
-		penetration.x = m_PointStart.x - bbb.m_PointStop.x;
-	}
-	// Y
-	if (movingVect.y >= 0) {
-		penetration.y = m_PointStop.y - bbb.m_PointStart.y;
-	} else {
-		penetration.y = m_PointStart.y - bbb.m_PointStop.y;
-	}
-	// Z
-	if (movingVect.z >= 0) {
-		penetration.z = m_PointStop.z - bbb.m_PointStart.z;
-	} else {
-		penetration.z = m_PointStart.z - bbb.m_PointStop.z;
-	}
-	return penetration;
-*/
-}
-
diff --git a/sources/ewol/game/BoundingAABB.h b/sources/ewol/game/BoundingAABB.h
deleted file mode 100644
index d97d4376..00000000
--- a/sources/ewol/game/BoundingAABB.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_BOUNDING_AABB_H__
-#define __GAME_BOUNDING_AABB_H__
-
-#include "etk/math/Vector3D.h"
-#include "etk/math/Matrix4.h"
-#include "ewol/renderer/resources/Colored3DObject.h"
-
-namespace game
-{
-	class BoundingAABB
-	{
-		private :
-			vec3    m_PointStart;
-			vec3    m_PointStop;
-			bool    m_hasContact;     //!< this bounding is on contact with something else ...
-			vec3    m_oldUserPosition; // this is due to the fact object are never centered ...
-			#ifdef DEBUG
-				ewol::Colored3DObject*    m_displayBounding;
-				etk::Vector<vec3>         m_vertices;
-			#endif
-		public:
-			/**
-			 * @biref Main constructor.
-			 */
-			BoundingAABB(void);
-			/**
-			 * @biref Main constructor.
-			 */
-			virtual ~BoundingAABB(void);
-			/**
-			 * @brief Update Bounding properties.
-			 */
-			virtual void Update(game::MeshObject& object, mat4& transformMatrix);
-			/**
-			 * @brief Draw the bounding ==> for test ...
-			 */
-			virtual void Draw(void);
-			/**
-			 * @brief Detect the colision positions.
-			 */
-			virtual bool HasContact(game::BoundingAABB& otherbounding);
-			/**
-			 * @brief Calculate the penetration size in 2 bounding.
-			 */
-			virtual vec3 CalculatePetetration(game::BoundingAABB& otherbounding, vec3& movingVect);
-			/**
-			 * @brief Set the contact property at a specific value ...
-			 */
-			void SetContactMode(bool newStatus) { m_hasContact=newStatus; };
-			/**
-			 * @brief Get the current contact status
-			 */
-			bool GetContactStatus(void) { return m_hasContact; };
-			
-			vec3 Size(void) { return m_PointStop-m_PointStart; };
-	};
-}
-
-
-#endif
diff --git a/sources/ewol/game/Contact.cpp b/sources/ewol/game/Contact.cpp
deleted file mode 100644
index e5b0e72c..00000000
--- a/sources/ewol/game/Contact.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-
-
-#include <ewol/game/Contact.h>
-
-
-
-
-game::Contact::Contact(void)
-{
-	
-}
-
-
-game::Contact::~Contact(void)
-{
-	
-}
-
-
diff --git a/sources/ewol/game/Contact.h b/sources/ewol/game/Contact.h
deleted file mode 100644
index 9e7cff69..00000000
--- a/sources/ewol/game/Contact.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_CONTACT_H__
-#define __GAME_CONTACT_H__
-
-
-#include <etk/types.h>
-#include <etk/math/Vector3D.h>
-#include <ewol/game/Element.h>
-
-namespace game
-{
-	class Contact
-	{
-		protected:
-			vec3           m_position;
-			game::Element* m_element[2];
-		public:
-			/**
-			 * @brief Basic constructor.
-			 */
-			Contact(void);
-			/**
-			 * @brief Basic destructor.
-			 */
-			virtual ~Contact(void);
-			
-			/**
-			 * Recopy operator.
-			 */
-			const Contact& operator= (const Contact& obj ) {
-				if( this == &obj ) {
-					return *this;
-				}
-				// recopy all the element ...
-				m_position = obj.m_position;
-				m_element[0] = obj.m_element[0];
-				m_element[1] = obj.m_element[1];
-				return *this;
-			}
-	};
-};
-
-
-#endif
diff --git a/sources/ewol/game/Element.cpp b/sources/ewol/game/Element.cpp
deleted file mode 100644
index 61c33515..00000000
--- a/sources/ewol/game/Element.cpp
+++ /dev/null
@@ -1,218 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-
-
-#include <ewol/game/Element.h>
-#include <ewol/game/Engine.h>
-#include <ewol/renderer/ResourceManager.h>
-
-static int32_t uniqueId = 0;
-
-
-game::Element::Element(etk::UString meshResource) :
-	m_engine(NULL),
-	m_resource(NULL),
-	m_scale(1,1,1),
-	m_speedMax(2000000, 2000000, 2000000),
-	m_mass(0.0f),
-	m_uniqueId(uniqueId),
-	m_groupId(0),
-	m_type(0),
-	m_visible(true),
-	m_static(false)
-{
-	ewol::MeshObj* tmpObject = NULL;
-	// get a resources :
-	if (meshResource != "") {
-		ewol::resource::Keep(meshResource, tmpObject);
-		m_resource = tmpObject;
-	}
-	uniqueId++;
-	UpdateMatrix();
-}
-
-game::Element::~Element(void)
-{
-	if (NULL != m_resource) {
-		ewol::MeshObj* tmpObject = static_cast<ewol::MeshObj*>(m_resource);
-		ewol::resource::Release(tmpObject);
-		m_resource = NULL;
-	}
-}
-
-void game::Element::Draw(void)
-{
-	if (NULL != m_resource) {
-		//EWOL_DEBUG("draw " << m_uniqueId);
-		m_resource->Draw(GetMatrix());
-	}
-}
-
-void game::Element::DrawDebug(void)
-{
-	//EWOL_DEBUG("draw bounding" << m_uniqueId);
-	m_bounding.Draw();
-}
-
-
-bool game::Element::ArtificialIntelligence(float deltaMicroSecond)
-{
-	return false;
-}
-
-
-void game::Element::ProcessGravityClear(void)
-{
-	m_gravityForce = vec3(0,0,0);
-}
-
-
-void game::Element::ProcessGravity(float delta, game::Gravity& gravity)
-{
-	if (0==m_mass) {
-		return;
-	}
-	if (gravity.m_uniform==true) {
-		m_gravityForce += gravity.m_vect;//*m_mass;
-	} else {
-		vec3 vectSeparation = m_position - gravity.m_vect;
-		float squareDistance = vectSeparation.GetSquaredLength();
-		// calculate gravity equation : 
-		float force = game::GravityConst * gravity.m_mass * m_mass / squareDistance;
-		vectSeparation.Normalize();
-		// generate the force vector
-		vectSeparation *= force;
-		m_gravityForce += vectSeparation;
-	}
-}
-
-
-void game::Element::ProcessPosition(float delta)
-{
-	if(true == m_bounding.GetContactStatus()) {
-		//EWOL_DEBUG("[" << m_uniqueId << "]   ==> colisionDetection");
-		return;
-	}
-	vec3 m_speed0(m_speed);
-	vec3 curentAcceleration(m_gravityForce + m_userAcceleration);
-	m_speed += curentAcceleration*delta;
-	vec3 tmpPos = m_position +m_speed*delta;
-	if (m_position != tmpPos) {
-		//EWOL_DEBUG("[" << m_uniqueId << "] pos=" << m_position << "m ==>" << tmpPos << "m");
-		// TODO : Detect collision of other elements ...
-		vec3 size = m_bounding.Size();
-		vec3 move = tmpPos - m_position;
-		vec3 moveAbs = move;
-		moveAbs.Abs();
-		if(    (    0 < size.x
-		         && moveAbs.x > size.x*0.75 )
-		    || (    0 < size.y
-		         && moveAbs.y > size.y*0.75 )
-		    || (    0 < size.z
-		         && moveAbs.z > size.z*0.75 )) {
-			int32_t maxIterations = 0;
-			// generate a subdivide channel to prevent tunel effects ...
-			// Get the smallest axis to test : 
-			if(    moveAbs.x >= moveAbs.y
-			    && moveAbs.x >= moveAbs.z) {
-				//Test on X :
-				//estimate the number of subdivision needed in recursive mode :
-				maxIterations = moveAbs.x/abs(size.x);
-				//EWOL_DEBUG("[" << m_uniqueId << "] XXX move with dist=" << move << "m <" << size*0.75 << "m");
-			} else if (    moveAbs.y >= moveAbs.x
-			            && moveAbs.y >= moveAbs.z) {
-				//Test on Y :
-				//estimate the number of subdivision needed in recursive mode :
-				maxIterations = moveAbs.y/abs(size.y);
-				//EWOL_DEBUG("[" << m_uniqueId << "] YYY move with dist=" << move << "m <" << size*0.75 << "m");
-			} else {
-				//Test on Z :
-				//estimate the number of subdivision needed in recursive mode :
-				maxIterations = moveAbs.z/abs(size.z);
-				//EWOL_DEBUG("[" << m_uniqueId << "] ZZZ move with dist=" << move << "m <" << size*0.75 << "m");
-			}
-			vec3 deltaMove = move/maxIterations;
-			vec3 tmppppPos = m_position;
-			game::BoundingAABB tmpBounding;
-			
-			// linear test :
-			for (int32_t iii=0; iii<maxIterations-1 ; iii++) {
-				tmppppPos+=deltaMove;
-				mat4 transformMatrix =   etk::matTranslate(tmppppPos)
-				                       * etk::matScale(m_scale)
-				                       * m_displayRotation;
-				tmpBounding.Update(m_resource->m_object, transformMatrix);
-				if (true == m_engine->HasCollision(tmpBounding, this)) {
-					tmpPos = tmppppPos;
-					// the tunnel effect is catch ...
-					EWOL_CRITICAL("[" << m_uniqueId << "] Tunel effect catch : (" << iii << "/" << maxIterations-1 << ") ==> " << tmppppPos);
-					break;
-				}
-			}
-		}
-		//EWOL_DEBUG("[" << m_uniqueId << "] New pos:" << tmpPos << "m");
-		vec3 moving = tmpPos - m_position;
-		m_position = tmpPos;
-		UpdateMatrix();
-		m_engine->ObjectMove(this, moving);
-	}
-}
-
-void game::Element::UpdateMatrix(void)
-{
-	m_matrix =   etk::matTranslate(m_position)
-	           * etk::matScale(m_scale)
-	           * m_displayRotation;
-	m_bounding.Update(m_resource->m_object, m_matrix);
-}
-
-void game::Element::Identity(void)
-{
-	m_position = vec3(0,0,0);
-	m_speed = vec3(0,0,0);
-	m_displayRotation.Identity();
-	m_matrix.Identity();
-}
-
-void game::Element::Translate(etk::Vector3D<float> vect)
-{
-	m_position += vect;
-	UpdateMatrix();
-}
-
-void game::Element::Scale(etk::Vector3D<float> vect)
-{
-	m_scale = vect;
-	UpdateMatrix();
-}
-
-void game::Element::Scale(float proportion)
-{
-	m_scale = vec3(proportion,proportion,proportion);
-	UpdateMatrix();
-}
-
-void game::Element::Rotate(etk::Vector3D<float> vect, float angleRad)
-{
-	m_displayRotation = etk::matRotate(vect, angleRad) * m_displayRotation;
-	UpdateMatrix();
-}
-
-mat4& game::Element::GetMatrix(void)
-{
-	return m_matrix;
-}
-
-
-void game::Element::CollisionDetected(game::Element* elementCollide, vec3& penetrate)
-{
-	m_position -= penetrate;
-	UpdateMatrix();
-}
-
diff --git a/sources/ewol/game/Element.h b/sources/ewol/game/Element.h
deleted file mode 100644
index 28068830..00000000
--- a/sources/ewol/game/Element.h
+++ /dev/null
@@ -1,157 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_ELEMENT_H__
-#define __GAME_ELEMENT_H__
-
-
-#include <etk/types.h>
-#include <etk/math/Vector3D.h>
-#include <etk/Vector.h>
-#include <ewol/debug.h>
-#include <ewol/game/Gravity.h>
-#include <ewol/renderer/resources/Mesh.h>
-#include <ewol/game/BoundingAABB.h>
-
-namespace game
-{
-	class Engine;
-	class Element
-	{
-		protected:
-			game::Engine*       m_engine;
-			ewol::Mesh*         m_resource;   //!< Resource to display the element.
-			game::BoundingAABB  m_bounding;   //!< Bounding of this element
-		private:
-			mat4     m_matrix;           //!< generated display matrix.
-			vec3     m_scale;            //!< scale of the element. (change the size in dynamic from the loaded model)
-			mat4     m_displayRotation;  //!< Associated matrix of totation associated with m_displayAngle.
-		
-		protected:
-			// specific for the physical engine :
-			vec3     m_position;         //!< position of the element. (in m)
-			vec3     m_speed;            //!< Speed of the element. (in m/s)
-			vec3     m_speedMax;         //!< Speed maximum limitation. (in m/s)
-			float    m_mass;             //!< object mass (in kg)
-			vec3     m_gravityForce;     //!< curent gravity force in newton of the object (m/s^2)
-			vec3     m_userAcceleration; //!< the only one parameter that the user can change (m/s^2), if the coder want that the equation do not take stipid things ...
-			
-		protected:
-			uint32_t m_uniqueId; //!< General element ID (uint16_t, because all is reference with the groupId like this only a uint32_t reference an element)
-			uint32_t m_groupId;  //!< General group Id More than 65000 group can be really interesting to create supid game ...
-			int32_t  m_type;     //!< type of this element
-			bool     m_visible;  //!< This is to know if the element is displayed or not ==> TODO : check if usefull ...
-			bool     m_static;   //!< This element is static...
-		public:
-			/**
-			 * @brief Basic constructor.
-			 * @param[in] meshResource Resource name.
-			 */
-			Element(etk::UString meshResource);
-			/**
-			 * @brief Basic destructor.
-			 */
-			virtual ~Element(void);
-			/**
-			 * @brief Link with a specific engine.
-			 * @param[in] engine Engine pointer
-			 */
-			void SetEngine(game::Engine* engine) { m_engine = engine; };
-			/**
-			 * @brief Draw the element.
-			 */
-			virtual void Draw(void);
-			/**
-			 * @brief Draw Debug information of the element.
-			 */
-			virtual void DrawDebug(void);
-			/**
-			 * @brief Process IA of this element.
-			 * @param[in] deltaMicroSecond delta from the last call.
-			 * @return true if this element must be destroyed
-			 */
-			virtual bool ArtificialIntelligence(float delta);
-			/**
-			 * @brief Clear the current gravity reference
-			 */
-			void ProcessGravityClear(void);
-			/**
-			 * @brief Update the gravity properties.
-			 * @param[in] delta delta from the last call.
-			 * @param[in] gravity reference on all the gravity point.
-			 */
-			virtual void ProcessGravity(float delta, game::Gravity& gravity);
-			/**
-			 * @brief Update the position of the element
-			 * @param[in] delta delta from the last call.
-			 */
-			virtual void ProcessPosition(float delta);
-			/**
-			 * @param reset the position / speed / angle / and result matrix
-			 */
-			void Identity(void);
-			/**
-			 * @brief Translate The curent element to a new position
-			 * @param[in] vect new position
-			 */
-			void Translate(etk::Vector3D<float> vect);
-			/**
-			 * @brief Scale the element to an other size
-			 * @param[in] vect new object scaling
-			 */
-			void Scale(etk::Vector3D<float> vect);
-			/**
-			 * @brief Scale the element to an other size
-			 * @param[in] proportion scale value in all direction ...
-			 */
-			void Scale(float proportion);
-			/**
-			 * @brief Rotate the current object
-			 * @param[in] vect rotation angle
-			 * @param[in] angleRad radian angle
-			 */
-			void Rotate(etk::Vector3D<float> vect, float angleRad=0.0);
-			/**
-			 * @brief Get the Current matrix of the element (never access it directly, it might be sometime updated)
-			 * @return the reference on the matrix (updated if needed)
-			 */
-			mat4& GetMatrix(void);
-		private:
-			/**
-			 * @brief when position or rotation is set, the system call this function ...
-			 */
-			void UpdateMatrix(void);
-		public:
-			void SetSpeed(vec3 newSpeed)
-			{
-				m_speed = newSpeed;
-			}
-			
-			game::BoundingAABB& GetBounding(void)
-			{
-				return m_bounding;
-			}
-			/**
-			 * @brief Set this element Static or not
-			 */
-			void SetStaticMode(bool newMode) { m_static = newMode; };
-			/**
-			 * @brief Get the current static or dynamic mode
-			 */
-			bool GetStaticMode(void) { return m_static; };
-			/**
-			 * @brief A collision has bee detected ...
-			 * @param[in] elementCollide the element that has been collided
-			 * @param[in] penetrate The size of the penetration ...
-			 */
-			virtual void CollisionDetected(game::Element* elementCollide, vec3& penetrate);
-	};
-};
-
-
-#endif
diff --git a/sources/ewol/game/Engine.cpp b/sources/ewol/game/Engine.cpp
deleted file mode 100644
index 04b9a93d..00000000
--- a/sources/ewol/game/Engine.cpp
+++ /dev/null
@@ -1,175 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-
-
-#include <ewol/game/Engine.h>
-
-
-
-
-game::Engine::Engine(void)
-{
-	
-}
-
-game::Engine::~Engine(void)
-{
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (NULL != m_elements[iii]) {
-			delete(m_elements[iii]);
-			m_elements[iii] = NULL;
-		}
-	}
-	m_elements.Clear();
-}
-
-void game::Engine::Process(double lastTime, float deltaTime)
-{
-	ProcessGravity(deltaTime);
-	ProcessCollision(deltaTime);
-	ProcessIA(deltaTime);
-}
-
-void game::Engine::ProcessGravity(float deltaTime)
-{
-	//EWOL_DEBUG("Gravity management");
-	for(int32_t jjj=0 ; jjj<m_gravity.Size() ; jjj++) {
-		for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-			if (NULL != m_elements[iii]) {
-				m_elements[iii]->ProcessGravity(deltaTime, m_gravity[jjj]);
-			}
-			m_elements[iii]->ProcessPosition(deltaTime);
-		}
-	}
-}
-
-void game::Engine::ProcessIA(float deltaTime)
-{
-	//EWOL_DEBUG("Artificial Intelligence management");
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (NULL != m_elements[iii]) {
-			m_elements[iii]->ArtificialIntelligence(deltaTime);
-		}
-	}
-}
-
-void game::Engine::ProcessCollision(float deltaTime)
-{
-	//EWOL_DEBUG("Collision management");
-	m_contacts.Clear();
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (NULL != m_elements[iii]) {
-			game::BoundingAABB& bounding1 = m_elements[iii]->GetBounding();
-			bounding1.SetContactMode(false);
-		}
-	}
-	// Brut force bounding detection :
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (NULL != m_elements[iii]) {
-			// If the element is static, the bounding detection is not needed...
-			if (true) {//false == m_elements[iii]->GetStaticMode()) {
-				game::BoundingAABB& bounding1 = m_elements[iii]->GetBounding();
-				for (int32_t jjj=iii+1; jjj<m_elements.Size() ; jjj++) {
-					if (NULL!=m_elements[jjj]) {
-						game::BoundingAABB& bounding2 = m_elements[jjj]->GetBounding();
-						if (true == bounding2.HasContact(bounding1)) {
-							bounding2.SetContactMode(true);
-							bounding1.SetContactMode(true);
-						}
-					}
-				}
-			}
-		}
-	}
-}
-
-
-bool game::Engine::HasCollision(game::BoundingAABB& bounding, game::Element* currentElement)
-{
-	if (NULL == currentElement) {
-		return false;
-	}
-	// Brut force bounding detection :
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (currentElement == m_elements[iii]) {
-			continue;
-		}
-		if (NULL != m_elements[iii]) {
-			if (true == bounding.HasContact(m_elements[iii]->GetBounding())) {
-				return true;
-			}
-		}
-	}
-	return false;
-}
-
-void game::Engine::ObjectMove(game::Element* currentElement, vec3& movingVect)
-{
-	if (NULL == currentElement) {
-		return;
-	}
-	game::BoundingAABB& bounding = currentElement->GetBounding();
-	// Brut force bounding detection :
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (currentElement == m_elements[iii]) {
-			continue;
-		}
-		if (NULL != m_elements[iii]) {
-			if (true == bounding.HasContact(m_elements[iii]->GetBounding())) {
-				vec3 penetrate = bounding.CalculatePetetration(m_elements[iii]->GetBounding(), movingVect);
-				currentElement->CollisionDetected(m_elements[iii], penetrate);
-			}
-		}
-	}
-}
-
-
-void game::Engine::Draw(ewol::DrawProperty& displayProp)
-{
-	//EWOL_DEBUG("Drawing the system");
-	for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-		if (NULL != m_elements[iii]) {
-			m_elements[iii]->Draw();
-		}
-	}
-	#ifdef DEBUG
-		for (int32_t iii=0; iii<m_elements.Size() ; iii++) {
-			if (NULL != m_elements[iii]) {
-				m_elements[iii]->DrawDebug();
-			}
-		}
-	#endif
-}
-
-
-void game::Engine::AddElement(game::Element* newElement)
-{
-	bool find=false;
-	if (NULL == newElement) {
-		EWOL_ERROR("try to set a NULL pointer game::Element");
-	}
-	for (int32_t iii=0 ; iii<m_elements.Size() ; iii++) {
-		if (NULL == m_elements[iii]) {
-			m_elements[iii] = newElement;
-			find = true;
-			break;
-		}
-	}
-	if (false==find) {
-		m_elements.PushBack(newElement);
-		newElement->SetEngine(this);
-	}
-}
-
-
-void game::Engine::AddGravity(game::Gravity gravity)
-{
-	m_gravity.PushBack(gravity);
-}
-
diff --git a/sources/ewol/game/Engine.h b/sources/ewol/game/Engine.h
deleted file mode 100644
index 287a0292..00000000
--- a/sources/ewol/game/Engine.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_ENGINE_H__
-#define __GAME_ENGINE_H__
-
-
-#include <etk/types.h>
-#include <ewol/debug.h>
-#include <ewol/game/Element.h>
-#include <ewol/game/Gravity.h>
-#include <ewol/game/Contact.h>
-#include <ewol/widget/Widget.h>
-
-
-
-namespace game
-{
-	class Engine
-	{
-		private:
-			etk::Vector<game::Gravity>  m_gravity;    //!< list of gravity element
-			etk::Vector<game::Element*> m_elements;   //!< List of the game element
-			etk::Vector<game::Contact>  m_contacts;   //!< list of all contact that existe in the system
-		public:
-			/**
-			 * @brief Basic constructor.
-			 */
-			Engine(void);
-			/**
-			 * @brief Basic destructor.
-			 */
-			~Engine(void);
-			/**
-			 * @brief periodic call for processing.
-			 * @param[in] lastTime Previous call time (if the system is in pause this time does restart at the same time the next time.
-			 * @param[in] deltaTime delta time in µs from the previous call.
-			 */
-			void Process(double lastTime, float deltaTime);
-			/**
-			 * @brief Processing the gravity properties.
-			 * @param[in] deltaTime delta time in µs from the previous call.
-			 */
-			void ProcessGravity(float deltaTime);
-			/**
-			 * @brief Processing the Artificial Intelligence.
-			 * @param[in] deltaTime delta time in µs from the previous call.
-			 */
-			void ProcessIA(float deltaTime);
-			/**
-			 * @brief Processing the collision.
-			 * @param[in] deltaTime delta time in µs from the previous call.
-			 */
-			void ProcessCollision(float deltaTime);
-			/**
-			 * @brief parse all the element to know if a bounding has a contact with some other elements ...
-			 * @param[in] bounding the reference bounding
-			 * @param[in] currentElement The element that request the detection ==> permit to not detect itself...
-			 */
-			bool HasCollision(game::BoundingAABB& bounding, game::Element* currentElement);
-			/**
-			 * @brief : this object has move, we need to update some collition, and some other things ...
-			 * @param[in] currentElement The element that request the detection ==> permit to not detect itself...
-			 * @param[in] movingVect : the vector that has move the current element.
-			 */
-			void ObjectMove(game::Element* currentElement, vec3& movingVect);
-			/**
-			 * @brief Display the environement.
-			 */
-			void Draw(ewol::DrawProperty& displayProp);
-			/**
-			 * @brief Add an element on the system.
-			 * @param[in] newElement element to display.
-			 */
-			void AddElement(game::Element* newElement);
-			/**
-			 * @brief Add a gravity on the system.
-			 * @param[in] gravity The gravity to add.
-			 */
-			void AddGravity(game::Gravity gravity);
-	};
-};
-
-
-#endif
-
diff --git a/sources/ewol/game/Gravity.cpp b/sources/ewol/game/Gravity.cpp
deleted file mode 100644
index cb940780..00000000
--- a/sources/ewol/game/Gravity.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-
-#include <etk/types.h>
-#include <ewol/debug.h>
-#include <ewol/game/Gravity.h>
-
-
-
-game::Gravity::Gravity(void) :
-	m_uniform(false),
-	m_mass(0),
-	m_vect(0,0,0)
-{
-	
-}
-
-game::Gravity::Gravity(bool uniform, float mass, vec3 vect) :
-	m_uniform(uniform),
-	m_mass(mass),
-	m_vect(vect)
-{
-	
-}
-
-// gravity force is :
-// F = G*m1*m2 / radius^2.
-
-extern const float game::GravityConst = 0.0000000000667f;
-// Earth
-extern const float game::earthMass = 5973600000000000000000000.0f; // in kg
-extern const float game::earthRadius = 6378137.0f; // in meter
-extern const game::Gravity game::gravityEarth(true, earthMass, vec3(0, 0, -(float)((GravityConst*earthMass)/(earthRadius*earthRadius))) );
-// Mars
-extern const float game::marsMass = 25000000000000000.0f; // in kg
-extern const float game::marsRadius = 3396200.0f; // in meter
-extern const game::Gravity game::gravityMars(true, marsMass, vec3(0, 0, -(float)((GravityConst*marsMass)/(marsRadius*marsRadius))) );
-
-
-
diff --git a/sources/ewol/game/Gravity.h b/sources/ewol/game/Gravity.h
deleted file mode 100644
index 759bbe7a..00000000
--- a/sources/ewol/game/Gravity.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_GRAVITY_H__
-#define __GAME_GRAVITY_H__
-
-
-#include <etk/types.h>
-#include <etk/math/Vector3D.h>
-
-
-
-namespace game
-{
-	class Gravity
-	{
-		public:
-			bool  m_uniform; //!< The gravity is not a stelar object
-			float m_mass;    //!< Masse of the stelar object.
-			vec3  m_vect;    //!< Position of the stelar object or gravity(acceleration) force when it is uniform.
-			Gravity(void);
-			Gravity(bool uniform, float mass, vec3 vect);
-	};
-	extern const float GravityConst;
-	// Earth
-	extern const float earthMass;
-	extern const float earthRadius;
-	extern const Gravity gravityEarth;
-	// Mars
-	extern const float marsMass;
-	extern const float marsRadius;
-	extern const Gravity gravityMars;
-	
-};
-
-#endif
-
diff --git a/sources/ewol/game/Map.cpp b/sources/ewol/game/Map.cpp
deleted file mode 100644
index 4b6d4347..00000000
--- a/sources/ewol/game/Map.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
diff --git a/sources/ewol/game/Map.h b/sources/ewol/game/Map.h
deleted file mode 100644
index e56700f9..00000000
--- a/sources/ewol/game/Map.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_MAP_H__
-#define __GAME_MAP_H__
-
-#include "ewol/debug.h"
-
-
-#endif
diff --git a/sources/ewol/game/Mass.cpp b/sources/ewol/game/Mass.cpp
deleted file mode 100644
index 4b6d4347..00000000
--- a/sources/ewol/game/Mass.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
diff --git a/sources/ewol/game/Mass.h b/sources/ewol/game/Mass.h
deleted file mode 100644
index d069287c..00000000
--- a/sources/ewol/game/Mass.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_MASS_H__
-#define __GAME_MASS_H__
-
-#include "ewol/debug.h"
-
-
-
-namespace game
-{
-	class Mass
-	{
-		
-	};
-};
-
-
-#endif
diff --git a/sources/ewol/game/MeshObject.h b/sources/ewol/game/MeshObject.h
deleted file mode 100644
index 9be0e914..00000000
--- a/sources/ewol/game/MeshObject.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __GAME_MESH_OBJECT_H__
-#define __GAME_MESH_OBJECT_H__
-
-#include <etk/types.h>
-#include <etk/Vector.h>
-#include <etk/math/Vector3D.h>
-#include <etk/math/Vector2D.h>
-
-namespace game
-{
-	class MeshObject
-	{
-		public:
-			etk::Vector<uint32_t> m_indices;
-			etk::Vector<vec3>     m_vertices;
-			etk::Vector<vec2>     m_uvTextures;
-			etk::Vector<vec3>     m_normals;
-		public:
-			MeshObject(void) {};
-			virtual ~MeshObject(void) {};
-	};
-};
-
-
-#endif
-
-
diff --git a/sources/ewol/game/Sky.cpp b/sources/ewol/game/Sky.cpp
deleted file mode 100644
index 4b6d4347..00000000
--- a/sources/ewol/game/Sky.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
diff --git a/sources/ewol/game/Sky.h b/sources/ewol/game/Sky.h
deleted file mode 100644
index 334a607b..00000000
--- a/sources/ewol/game/Sky.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * @author Edouard DUPIN
- * 
- * @copyright 2011, Edouard DUPIN, all right reserved
- * 
- * @license BSD v3 (see license file)
- */
-
-#ifndef __EPHYSICS_SKY_H__
-#define __EPHYSICS_SKY_H__
-
-#include "ewol/debug.h"
-
-
-#endif
diff --git a/sources/ewol/renderer/resources/Colored3DObject.h b/sources/ewol/renderer/resources/Colored3DObject.h
index a82a9d5e..383ba397 100644
--- a/sources/ewol/renderer/resources/Colored3DObject.h
+++ b/sources/ewol/renderer/resources/Colored3DObject.h
@@ -14,7 +14,6 @@
 #include <ewol/renderer/resources/Image.h>
 #include <ewol/renderer/resources/Shader.h>
 #include <ewol/renderer/resources/Program.h>
-#include <ewol/game/MeshObject.h>
 
 namespace ewol
 {
diff --git a/sources/ewol/renderer/resources/Mesh.cpp b/sources/ewol/renderer/resources/Mesh.cpp
index 395efd7b..4d8ec169 100644
--- a/sources/ewol/renderer/resources/Mesh.cpp
+++ b/sources/ewol/renderer/resources/Mesh.cpp
@@ -39,7 +39,7 @@ ewol::Mesh::~Mesh(void)
 
 void ewol::Mesh::Draw(mat4& positionMatrix)
 {
-	if (m_object.m_vertices.Size()<=0) {
+	if (m_vertices.Size()<=0) {
 		return;
 	}
 	if (NULL == m_texture1) {
@@ -61,13 +61,13 @@ void ewol::Mesh::Draw(mat4& positionMatrix)
 	// TextureID
 	m_GLprogram->SetTexture0(m_GLtexID, m_texture1->GetId());
 	// position :
-	m_GLprogram->SendAttribute(m_GLPosition, 3/*x,y,z*/, &m_object.m_vertices[0]);
+	m_GLprogram->SendAttribute(m_GLPosition, 3/*x,y,z*/, &m_vertices[0]);
 	// Texture :
-	m_GLprogram->SendAttribute(m_GLtexture, 2/*u,v*/, &m_object.m_uvTextures[0]);
+	m_GLprogram->SendAttribute(m_GLtexture, 2/*u,v*/, &m_uvTextures[0]);
 	// color :
 	m_GLprogram->SendAttribute(m_GLColor, 4/*r,g,b,a*/, &m_coordColor[0]);
 	// Request the draw od the elements : 
-	glDrawArrays(GL_TRIANGLES, 0, m_object.m_vertices.Size());
+	glDrawArrays(GL_TRIANGLES, 0, m_vertices.Size());
 	m_GLprogram->UnUse();
 	glDisable(GL_DEPTH_TEST);
 }
diff --git a/sources/ewol/renderer/resources/Mesh.h b/sources/ewol/renderer/resources/Mesh.h
index 8f20b41e..d2e2c21e 100644
--- a/sources/ewol/renderer/resources/Mesh.h
+++ b/sources/ewol/renderer/resources/Mesh.h
@@ -14,7 +14,6 @@
 #include <ewol/renderer/resources/Image.h>
 #include <ewol/renderer/resources/Shader.h>
 #include <ewol/renderer/resources/Program.h>
-#include <ewol/game/MeshObject.h>
 
 namespace ewol
 {
@@ -28,7 +27,10 @@ namespace ewol
 			int32_t        m_GLtexture;
 			int32_t        m_GLtexID;
 		public:
-			game::MeshObject           m_object;
+			etk::Vector<uint32_t> m_indices;
+			etk::Vector<vec3>     m_vertices;
+			etk::Vector<vec2>     m_uvTextures;
+			etk::Vector<vec3>     m_normals;
 		protected:
 			ewol::TextureFile*         m_texture1;
 			etk::Vector<draw::Colorf>  m_coordColor;  //!< internal color of the different point
diff --git a/sources/ewol/renderer/resources/MeshObj.cpp b/sources/ewol/renderer/resources/MeshObj.cpp
index 60b01fe2..73a76822 100644
--- a/sources/ewol/renderer/resources/MeshObj.cpp
+++ b/sources/ewol/renderer/resources/MeshObj.cpp
@@ -180,15 +180,17 @@ ewol::MeshObj::MeshObj(etk::UString _fileName) :
 		uint32_t uvIndex     = indicesUv[iii];
 		
 		// Put the attributes in buffers
-		m_object.m_vertices.PushBack(vertices[vertexIndex-1]);
-		m_object.m_uvTextures.PushBack(uvTextures[uvIndex-1]);
+		m_vertices.PushBack(vertices[vertexIndex-1]);
+		m_uvTextures.PushBack(uvTextures[uvIndex-1]);
 		draw::Color  tmpppp(0xFFFFFFFF);
 		draw::Colorf tmppppp(tmpppp);
 		m_coordColor.PushBack(tmppppp);
 		
 		if (indicesNormal.Size()>iii) {
 			uint32_t normalIndex = indicesNormal[iii];
-			m_object.m_normals.PushBack(normals[normalIndex-1]);
+			m_normals.PushBack(normals[normalIndex-1]);
 		}
 	}
 }
+
+
diff --git a/sources/ewol/widget/Scene.h b/sources/ewol/widget/Scene.h
index ea0117f2..4a8e8273 100644
--- a/sources/ewol/widget/Scene.h
+++ b/sources/ewol/widget/Scene.h
@@ -14,8 +14,6 @@
 #include <etk/math/Matrix4.h>
 #include <etk/Vector.h>
 #include <ewol/debug.h>
-#include <ewol/game/Engine.h>
-#include <ewol/game/Element.h>
 #include <ewol/game/Camera.h>
 #include <ewol/widget/Widget.h>
 #include <ewol/renderer/openGL.h>
@@ -45,7 +43,6 @@ namespace widget {
 			//keep the collision shapes, for deletion/cleanup
 			etk::Vector<btCollisionShape*>   m_collisionShapes;
 			game::Camera      m_camera;       //!< Display point of view
-			//game::Engine*     m_gameEngine;   //!< display engine system
 			bool              m_isRunning;    //!< the display is running (not in pause)
 			double            m_lastCallTime; //!< previous call Time
 			float             m_ratioTime;    //!< Ratio time for the speed of the game ...
diff --git a/sources/file.mk b/sources/file.mk
index 6454509f..9759862e 100644
--- a/sources/file.mk
+++ b/sources/file.mk
@@ -82,15 +82,7 @@ FILE_LIST+= ewol/widget/Widget.cpp \
 
 # game mode area :
 FILE_LIST+= ewol/widget/Scene.cpp \
-			ewol/game/Engine.cpp \
-			ewol/game/Element.cpp \
-			ewol/game/BoundingAABB.cpp \
-			ewol/game/Gravity.cpp \
-			ewol/game/Camera.cpp \
-			ewol/game/Contact.cpp \
-			ewol/game/Map.cpp \
-			ewol/game/Mass.cpp \
-			ewol/game/Sky.cpp
+			ewol/game/Camera.cpp
 
 
 LOCAL_COPY_FILES := ../data/textured3D.prog:textured3D.prog \