Question by Aurica_Annise · Mar 07, 2015 at 06:13 PM · c#-and-js

C# equivalent of a while loop outside of functions?

How do i convert this code to C#?

 #pragma strict
 var player : Transform; var speed : float = 5;
 
 while(true) yield CoUpdate();
 
 
 function CoUpdate() { 
 if (Input.GetKey(KeyCode.RightArrow)) yield Move(Vector3.right); 
 else if (Input.GetKey(KeyCode.LeftArrow)) yield Move(Vector3.left); 
 else if (Input.GetKey(KeyCode.UpArrow)) yield Move(Vector3.forward); 
 else if (Input.GetKey(KeyCode.DownArrow)) yield Move(Vector3.back); 
 else yield; }
 
 
 function Move(distance : Vector3) { 
     var pt = player.transform; 
     var goal = pt.position + distance; 
         
     while (pt.position != goal) { 
         pt.position = Vector3.MoveTowards(pt.position, goal, speed * Time.deltaTime); 
         yield; 
     } 
 }

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AlwaysSunny · Mar 06, 2015 at 08:00 PM 2

You... shouldn't. This code makes my brain cry a little.

An "always-on" coroutine has only one purpose, AFAI$$anonymous$$: inserting waits into an otherwise always-on, every-frame function. Since that isn't being done here, this approach serves no useful purpose.

Just check your input in Update() and...
change the while-not-at-goal block to an if() and put that in Update() too.

An always-on coroutine in C#:

 void Awake() { StartCoroutine($$anonymous$$yRoutine()); }
 IEnumerator $$anonymous$$yRoutine() {
   // do something
   // optional waits or conditions
   StartCoroutine($$anonymous$$yRoutine());
 }