script not working?

So when i tried out this code ( I made about 90% of it myself so of course it wouldnt work ) .... it doesnt work - basicly i want my gun to move to the recoil position x and y when i press fire 1 (left click) but it wont budge..

 var originalPosx = -0.1600189;
 var originalPosy = -0.2532201;
 
 var recoilPosx = -0.1597214;
 var recoilPosy = -0.2532201;
 
 var dampVelocity = 0.1;
 var dampVelocity2 = 0.1;
 
 
 function Update (){
 
   var recoilPosx = Mathf.SmoothDamp(Gun.transform.localPosition.x, recoilPosx, dampVelocity, .3);
   var recoilPosy = Mathf.SmoothDamp(Gun.transform.localPosition.y, recoilPosy, dampVelocity, .3);
   
   Gun.transform.localPosition.x = recoilPosx;
   Gun.transform.localPosition.y = recoilPosy;
   
   if (Input.GetButtonDown("Fire1")) {
 
         recoilPosx = -0.159721;
         recoilPosy = -0.2532063;
         
         //dont know what to do so it resets ... and goes back to its originbal position
        
         recoilPosx = -0.1600189;
         recoilPosy = -0.2532063;
  
 
 
 
 
 
 }
 }