diff --git a/DungeonAndDeamonScript/DungeonAndDemaonScript/GestionPlayer.cpp b/DungeonAndDeamonScript/DungeonAndDemaonScript/GestionPlayer.cpp
index 6ebe080..34575f8 100644
--- a/DungeonAndDeamonScript/DungeonAndDemaonScript/GestionPlayer.cpp
+++ b/DungeonAndDeamonScript/DungeonAndDemaonScript/GestionPlayer.cpp
@@ -23,9 +23,9 @@ void GestionPlayer::_register_methods()
 
 }
 
-void GestionPlayer::_process(float delta)
+void GestionPlayer::_process(float dt)  // dt = deltaTime
 {
-	traitementInput();
+	traitementInput(dt);
 	p.velocity = move_and_slide(p.velocity);
 
 }
@@ -56,55 +56,65 @@ void GestionPlayer::setupPlayer()
 	sprite_player_ptr->set_texture(texture_player_ptr);
 }
 
-void GestionPlayer::traitementInput()
+void GestionPlayer::traitementInput(float dt)
 {
-	p.velocity = Vector2(0, 0);
-	FLOOR = Vector2(0, -1);
-
+	// manage Inputs
 	Input* i = Input::get_singleton();
 
+	// move in X directions
+	p.velocity.x = 0.0f;  // rest x,  keyboard action will change this
 	if (i->is_action_pressed("ui_left"))
 		gauche();
 	if (i->is_action_pressed("ui_right"))
 		droit();
+
+
+	// update Velocity
+	if (on_ground)
+	{
+		p.velocity.y = 0.0f;
+	}
+	else
+	{
+		p.velocity.y += gravity * dt;
+	}
+
+	// move in Y directions
 	if (i->is_action_pressed("ui_select"))
 		saut();
 
-	if (on_ground) {
-		p.velocity.y += 0;
-	}
-	else {
-		p.velocity.y += gravity;
-	}
 }
 
 void GestionPlayer::setPosition(int x, int y)
 {
 	Transform2D t;
-	Vector2 v;
+	Vector2 pos;
 	Size2 s;
 
 	//setup de la size
-	s.x = 1;
-	s.y = 1;
-	v.x = x;
-	v.y = y;
-	t.set_origin(v);
+	s.x = 1.0f;
+	s.y = 1.0f;
+	pos.x = x;
+	pos.y = y;
+	t.set_origin(pos);
 	t.scale(s);
 
 	set_transform(t);
+
+	//init Velocity
+	p.velocity = Vector2(0.0f, 0.0f);
 }
 
 void GestionPlayer::droit()
 {
 	Godot::print("Deplacement a droite");
-	p.velocity.x += speed;
+	p.velocity.x = speed;
 }
 
 void GestionPlayer::gauche()
 {
 	Godot::print("Deplacement a gauche");
-	p.velocity.x -= speed;
+	p.velocity.x = -speed;
 }
 
 void GestionPlayer::bas()
@@ -113,8 +123,10 @@ void GestionPlayer::bas()
 
 void GestionPlayer::saut()
 {
-
-	p.velocity.y = power_jump;
+	if (on_ground)
+	{
+		p.velocity.y = power_jump;
+	}
 }
 
 void GestionPlayer::idle()