Making a gameobject move to a position

Question

So I have this game object that I want to move to a position.

What I do not want to do is to have a FixedUpdate function that has anything similar to

MovePosition(pos speed Delta time)

Is there a way to only call a function once, and it does the moving for you instead? I don't want it to teleport from point A to B so just setting the transform.position = newPos isnt something that I am looking for.

The only thing that I can think of is using a coroutine, but I was wondering if there is a function that guarantees that it moves to a point without me having to update its position every frame in the Update function.

Answer 1

Best Answer

Answer by Vice_Versa · Aug 18, 2015 at 07:02 AM

i dont know why youre avoiding the update function.. that seems strange to me but there are a few ways to do what youre asking.

you can make a new animation that moves one object to another then call animation.Play() on that gameobject

you could set up a while loop for example:

 float secondX;
 float secondy;
 float secondz;
 Vector3 firstPosition = new Vector3(transform.position.x, transform.position.y, transform.position.z);
 Vector3 secondPosition = new Vecotr3(whatever, whatever, whatever);
 while(transform.position.x < secondX)
 {
   transform.position = new Vecotr3(transform.position.x + 0.001f, transform.position.y, trnasform.position.z);
 }

though, the above way is technically just you coding something similar to an update function

and yes, coroutines would also be another way.

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lkarus · Aug 18, 2015 at 07:05 AM 1

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I'm not sure what thought process was going through me when I was writing this question. I also find it strange how I did not want to use the update function. I'm sorry for the inconvenience.

Answer 2

Answer by Tom01098 · Aug 18, 2015 at 08:27 AM

According to http://docs.unity3d.com/ScriptReference/Vector3.MoveTowards.html , the code you need is simply

 public Transform target;
     public float speed;
     void Update() {
         float step = speed * Time.deltaTime;
         transform.position = Vector3.MoveTowards(transform.position, target.position, step);
     }

So, yes, it does have to be in an updating function to my knowledge, but it's a very simple code.

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Making a gameobject move to a position

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