diff --git a/src/FxEngine/FxEngine.c b/src/FxEngine/FxEngine.c
index c801777..c3bd34e 100644
--- a/src/FxEngine/FxEngine.c
+++ b/src/FxEngine/FxEngine.c
@@ -9,7 +9,8 @@ static int frame_interval=0;
 
 void FE_new_frame()
 {
-	
+	// add frame changing -- with timeGR, wait answer on Planete Casio
+
 	FE_move(); // Not implemented yet !
 	FE_zbuffer_clear(); // Not implemented yet !
 	
diff --git a/src/FxEngine/FxEngine.h b/src/FxEngine/FxEngine.h
index 6a487c6..cf0f8b5 100644
--- a/src/FxEngine/FxEngine.h
+++ b/src/FxEngine/FxEngine.h
@@ -1,7 +1,6 @@
 #ifndef FENG_H
 #define FENG_H 
 
-
 #include "math/pos.h"
 #include "math/angle.h"
 
@@ -11,8 +10,4 @@ extern FE_Position FE_user={0,0,0};
 void FE_new_frame(); // calls move function
 // int  FE_get_fps();
 
-
-
-
-
 #endif
\ No newline at end of file
diff --git a/src/FxEngine/math/coord.c b/src/FxEngine/math/coord.c
index 6bef2dd..a3b16e0 100644
--- a/src/FxEngine/math/coord.c
+++ b/src/FxEngine/math/coord.c
@@ -2,15 +2,13 @@
 
 #include "angle.h"
 
-void FE_Coord::calc()
+void FE_calc()
 {
 	transformed=original-real;
 	// rotate
 }
 
-void FE_Coord::setMatrice(float dh,float dv, float roulis)
+void FE_set_matrice()
 {
-	m_matrice[0]=(1)*(cos(dv)+sin(dv))*(cos(roulis)-sin(roulis));
-	m_matrice[1]=(cos(dh)-sin(dh))*(1)*(sin(roulis)+cos(roulis));
-	m_matrice[2]=(sin(dh)+cos(dh))*(cos(dv)-sin(dv))*(1)
+	
 }	
\ No newline at end of file
diff --git a/src/FxEngine/math/coord.h b/src/FxEngine/math/coord.h
index e872537..99fd5bf 100644
--- a/src/FxEngine/math/coord.h
+++ b/src/FxEngine/math/coord.h
@@ -1,19 +1,22 @@
 #ifndef FE_COORD_H
 #define FE_COORD_H
 
-#include "pos.h"
 
-class FE_Coord
+typedef struct FE_position FE_position;
+struct FE_position
 {
-public:
-	FE_Pos normal;
-	FE_Pos transformed;
-	void calc();
-	static void setMatrice(float dh,float dv, float roulis);
-private:
-	static float m_matrice[3];
+	int x,y,z;
 };
 
+typedef struct FE_point FE_point;
+struct FE_point
+{
+	FE_position real,translated;
+};
+
+void FE_calc(const FE_coord& coord);
+void FE_set_matrice()
+
 
 
 
diff --git a/src/FxEngine/math/pos.c b/src/FxEngine/math/pos.c
deleted file mode 100644
index 4e50e2d..0000000
--- a/src/FxEngine/math/pos.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "pos.h"
-
-void rien()
-{
-}
diff --git a/src/FxEngine/math/pos.h b/src/FxEngine/math/pos.h
deleted file mode 100644
index 765fdac..0000000
--- a/src/FxEngine/math/pos.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef FE_POS_H
-#define FE_POS_H 
-
-typedef struct FE_position FE_position;
-struct FE_position
-{
-	int x,y,z;
-};
-
-#endif
\ No newline at end of file