command system with 3d gui interface

I just want to get on track with making an effective attack command system that sets a certain gameobject to be produced based on which move is assigned to which button. I also have included the 3d menu which does not use the the built in unity gui ( i personally find it a bit confusing and think that 3d menus and interfaces would look cooler anyway). So here is a quick draft of what I want to achieve that I emailed to myself via cellphone earlier today. Tell me what you think and give feed-back on whether or not this would be applicable. i would test it now but my computer basically died but I still want to continue progress with my idea as it is intended for a competition that is due in January. here is the code

 var fire : gameobject;
 var water: gameobject;
 var rock: Rigidbody;
 var move1: gameobject;
 var move2: gameobject;
 var move3: gameobject;
 var menu: gameobject;
 var movenum = 1;
 
 functionUpdate(){
 
 if(Input.GetButtonDown("Select"){
     var 3dgl = gameobject.find("3dGUILocation");
     instantiate(menu, 3dgl.transform, 3dgl.position);
     function(movechoose);
 }
 
 if(Input.GetButtonDown("X")){
     instantiate(move1, lp.transform.position, lp.transform.rotation);
 }
 if(Input.GetButtonDown("Y")){
     instantiate(move2, lp.transform.position, lp.transform.rotation);
 }
     if(Input.GetButtonDown("B")){
     instantiate(move3, lp.transform.position, lp.transform.rotation);
 }
 }
 
 function(movechoose){
     var fe = gameobject.find("fire emblem");
     var we = gameobject.find("water emblem");
     var re = gameobject.find("rock emblem");
 
     if(GetAxis("Horizontal") >= 0.5){
         movenum +=1;
         if(movenum ==4){
             movenum = 1;
         }
     }
     if(GetAxis("Horizontal") <= -(0.5)){
         movenum -=1;
         if(movenum ==0){
             movenum = 3;
         }
     }
         if(movenum==1){
             fe.animation.Play("jig");
             print("do you want to select the fire attack?");
             if(Input.GetButtonUp("A"){
                 fe.animation.Play("rumble");
                 print("which button do you want to assign it too?");
                 if(Input.GetButtonDown("X"){
                 move1 = fire;
                 }
                 if(Input.GetButtonDown("Y"){
                     move2 = fire;
                 }
                 if(Input.GetButtonDown("B"){
                     move3 = fire;
                 }
             }
         }
     }
         if(movenum==2){
             we.animation.Play("jig");
             print("do you want to select the water attack?");
             if(Input.GetButtonUp("A"){
                 we.animation.Play("rumble");
                 print("which button do you want to assign it too?");
                 if(Input.GetButtonDown("X"){
                     move1 = water;
                 }
             if(Input.GetButtonDown("Y"){
                 move2 = water;
             }
             if(Input.GetButtonDown("B"){
                 move3 = water;
             }
         }
     }
         if(movenum==3){
             re.animation.Play("jig");
             print("do you want to select the rock attack?");
             if(Input.GetButtonUp("A"){
                 re.animation.Play("rumble");
                 print("which button do you want to assign it too?");
                 if(Input.GetButtonDown("X"){
                     move1 = water;
                 }
                 if(Input.GetButtonDown("Y"){
                     move2 = water;
                 }
                 if(Input.GetButtonDown("B"){
                     move3 = water;
                 }
             }
         }
     }
 }