diff --git a/FxEngine/FxEngine.cpp b/FxEngine/FxEngine.cpp
index 732dfe8..5f11900 100644
--- a/FxEngine/FxEngine.cpp
+++ b/FxEngine/FxEngine.cpp
@@ -1,5 +1,7 @@
 #include "FxEngine.h"
 
+#include <display.h>
+
 FE_Angle FxEngine::dh(0);
 FE_Angle FxEngine::dv(0);
 FE_Angle FxEngine::m_dh(0);
@@ -8,9 +10,40 @@ FE_Angle FxEngine::m_dv(0);
 FE_Position FxEngine::real(0,0,0);
 FE_Position FxEngine::m_virt(0,0,0);
 
+int FxEngine::m_numChange=0;
+int FxEngine::numPublicChange=0;
+
 FE_State FxEngine::m_state=FE_PASSIVE;
 
 void FxEngine::newFrame()
 {
+	numPublicChange=m_numChange;
+	dh=m_dh;
+	dv=m_dv;
+	real=m_virt;
+	dupdate();
+	dclear(white);
+}
 
+void FxEngine::setState(FE_State state)
+{
+	if (m_moveActive==state)
+	return;
+	if (state==true)
+	{
+		// todo 
+		// gint timer
+		m_moveActive=true;
+	}
+	else
+	{
+		// todo
+		// gint kill timer
+		m_moveActive=false;
+	}
+}
+
+void FxEngine::move()
+{
+	// todo with math functions, not implemented yet !
 }
\ No newline at end of file
diff --git a/FxEngine/FxEngine.h b/FxEngine/FxEngine.h
index 8957cf7..d4b16b0 100644
--- a/FxEngine/FxEngine.h
+++ b/FxEngine/FxEngine.h
@@ -13,16 +13,17 @@ class FxEngine // regroupement des fonctions
 {
 public:
 	static void newFrame(); // reloads coords
-	static int getChangeNumber();
 	static void setState(FE_State state);
 
 	static FE_Angle dh,dv;
 	static FE_Position real;
+	static int numPublicChange;
 private:
 	static FE_Angle m_dh,m_dv;
 	static FE_Position m_virt;
 
 	static FE_State m_state;
+	static int m_numChange;
 
 	static void move(); // appelé à intervalles réguliers