diff --git a/.gitmodules b/.gitmodules
index da07503f..2cf9ee1a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -38,6 +38,3 @@
 [submodule "external/z/zlib"]
 	path = external/z/zlib
 	url = https://github.com/madler/zlib.git
-[submodule "external/ode"]
-	path = external/ode
-	url = https://github.com/HeeroYui/ode.git
diff --git a/Makefile.mk b/Makefile.mk
index 9721f8fc..1103a47f 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -19,7 +19,7 @@ USER_PACKAGES+= $(TMP_DIR)/external/portaudio
 USER_PACKAGES+= $(TMP_DIR)/external/tinyxml
 USER_PACKAGES+= $(TMP_DIR)/external/z
 USER_PACKAGES+= $(TMP_DIR)/external/zip
-USER_PACKAGES+= $(TMP_DIR)/external/ode
+USER_PACKAGES+= $(TMP_DIR)/external/ePhysics
 
 #include te generic toolchain :
 include $(TMP_DIR)/build/Makefile.mk
diff --git a/external/etk b/external/etk
index 033c9dd6..74a6e35f 160000
--- a/external/etk
+++ b/external/etk
@@ -1 +1 @@
-Subproject commit 033c9dd63a75db8afb448760cdb59bc8f89d5e7a
+Subproject commit 74a6e35fa3de3bc5b2b0dc89992e6610db2014c2
diff --git a/external/ode b/external/ode
deleted file mode 160000
index 7e4c9495..00000000
--- a/external/ode
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 7e4c9495b4688c4387402897922f0e258338a9ec
diff --git a/sources/Linux.mk b/sources/Linux.mk
index 1574fb60..182e50a9 100644
--- a/sources/Linux.mk
+++ b/sources/Linux.mk
@@ -12,7 +12,7 @@ LOCAL_VERSION=$(shell cat $(LOCAL_PATH)/tag)
 $(info [TAG:$(LOCAL_MODULE)] $(LOCAL_VERSION))
 
 # name of the dependency
-LOCAL_LIBRARIES := etk freetype tinyxml libzip libpng parsersvg lua portaudio ode
+LOCAL_LIBRARIES := etk freetype tinyxml libzip libpng parsersvg lua portaudio ephysics
 
 LOCAL_C_INCLUDES := 
 
diff --git a/sources/ewol/game/Element.h b/sources/ewol/game/Element.h
index 63760ce3..df5d3356 100644
--- a/sources/ewol/game/Element.h
+++ b/sources/ewol/game/Element.h
@@ -11,6 +11,8 @@
 
 
 #include <etk/types.h>
+#include <etk/math/Vector3D.h>
+#include <etk/Vector.h>
 #include <ewol/debug.h>
 
 namespace game
diff --git a/sources/ewol/game/Engine.h b/sources/ewol/game/Engine.h
index 9759397d..0b5f0c26 100644
--- a/sources/ewol/game/Engine.h
+++ b/sources/ewol/game/Engine.h
@@ -12,6 +12,7 @@
 
 #include <etk/types.h>
 #include <ewol/debug.h>
+#include <ewol/game/Element.h>
 
 namespace game
 {
diff --git a/sources/ewol/renderer/resources/Mesh.h b/sources/ewol/renderer/resources/Mesh.h
index 721723df..53760ad2 100644
--- a/sources/ewol/renderer/resources/Mesh.h
+++ b/sources/ewol/renderer/resources/Mesh.h
@@ -26,12 +26,12 @@ namespace ewol
 			int32_t        m_GLColor;
 			int32_t        m_GLtexture;
 			int32_t        m_GLtexID;
-			etk::Vector<uint32_t> m_indices;
-			etk::Vector< vec3 > m_vertices;
-			etk::Vector< vec2 > m_uvTextures;
-			etk::Vector< vec3 > m_normals;
-			ewol::TextureFile*                  m_texture1;
-			etk::Vector<draw::Colorf>        m_coordColor;  //!< internal color of the different point
+			etk::Vector<uint32_t>      m_indices;
+			etk::Vector< vec3 >        m_vertices;
+			etk::Vector< vec2 >        m_uvTextures;
+			etk::Vector< vec3 >        m_normals;
+			ewol::TextureFile*         m_texture1;
+			etk::Vector<draw::Colorf>  m_coordColor;  //!< internal color of the different point
 		public:
 			Mesh(etk::UString genName);
 			virtual ~Mesh(void);
diff --git a/sources/ewol/widget/Scene.cpp b/sources/ewol/widget/Scene.cpp
index e3d31db0..0a1a5698 100644
--- a/sources/ewol/widget/Scene.cpp
+++ b/sources/ewol/widget/Scene.cpp
@@ -14,7 +14,7 @@
 #undef __class__
 #define __class__	"Scene"
 
-widget::Scene::Scene(ewol::GameEngine* gameEngine) :
+widget::Scene::Scene(game::Engine* gameEngine) :
 	m_gameEngine(gameEngine),
 	m_isRunning(true),
 	m_lastCallTime(-1)
diff --git a/sources/ewol/widget/Scene.h b/sources/ewol/widget/Scene.h
index dc92ccdc..acf4037d 100644
--- a/sources/ewol/widget/Scene.h
+++ b/sources/ewol/widget/Scene.h
@@ -11,8 +11,10 @@
 
 #include <etk/types.h>
 #include <etk/math/Vector3D.h>
+#include <etk/Vector.h>
 #include <ewol/debug.h>
 #include <ewol/game/Engine.h>
+#include <ewol/game/Element.h>
 #include <ewol/widget/Widget.h>
 
 
@@ -28,7 +30,7 @@ namespace widget {
 			 * @brief Main scene constructor
 			 * @param[in] gameEngine Used game engine for the display (can be NULL).
 			 */
-			Scene(ewol::GameEngine* gameEngine=NULL);
+			Scene(game::Engine* gameEngine=NULL);
 			/**
 			 * @brief Destructor 
 			 * @note The engine is not destroy, it is the reponsability of the user
diff --git a/sources/file.mk b/sources/file.mk
index 3b6c2118..2a3ffb07 100644
--- a/sources/file.mk
+++ b/sources/file.mk
@@ -80,7 +80,8 @@ FILE_LIST+= ewol/widget/Widget.cpp \
 
 # game mode area :
 FILE_LIST+= ewol/widget/Scene.cpp \
-			ewol/game/GameEngine.cpp
+			ewol/game/Engine.cpp \
+			ewol/game/Element.cpp
 
 
 LOCAL_COPY_FILES := ../data/textured3D.prog:textured3D.prog \