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Question by Raxtus · Jan 04, 2017 at 09:18 AM · c#2dpositionreset

How can I reset the y position of a gameobject to a certain value each frame?

In void start I have "y = transform.position.y;" and in void Update (at the very end) I have "y = 16;" because that's what I want the y value to be at all times.

My theory is that this will lock down the y without changing any of the other coordinates so that even though a bug in my code is somehow changing it, this should overwrite it and work as a temporary fix, but it's not doing anything. My gameobject still moves on the y axis. Any ideas? Thanks!

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Answer by UnityCoach · Jan 04, 2017 at 09:44 AM

When you do

 float y; // this variable will store a float value
 
 void Start ()
 {
     y = transform.position.y; // y is now the same as the position of the transform on y
 }
 
 void Update ()
 {
     y = 16; // y is now 16
 }

What you want to do :

 Vector3 position; // this variable will store a Vector3 value
 
 void Update ()
 {
     position = transform.position; // get the position
     position.y = 16; // assign 16 to its y component
     tranform.position = position; // assign the position back to the transform
     // you can't assign individual components of a Vector3, because Vector3 is a Struct, you have to do it like the above, not like this
     //tranform.position.y = 16;
 }
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