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So, I am trying to make a simple GUI Instantiate system. The GUI is going to spawn successfully, but the position is wrong. 

Position : (Left, Right: 249.8423 ; Top, Bottom : 400) Anchors : (Min: X:0 Y:0 ; Max: X:1 Y:1) Pivots : (X:0.5 Y:0.5) Rotation : (X:0 Y:0 Z:0) Scale : (X:1 Y:1 Z:1) always...

My Code :

 GUIPausePopup pause = UI.Create<GUIPausePopup>(GameObject.Find("Canvas")); //Spawn and set parent(Canvas) pause.GetComponent<Transform>().gameObject.SetActive(true); //Working without any issues. //Position system not work. I don't know why. pause.GetComponent<RectTransform>().anchoredPosition3D = new Vector3(0f, 0f, 0f); pause.GetComponent<RectTransform>().anchoredPosition = new Vector2(0f, 0f); pause.GetComponent<RectTransform>().localPosition = new Vector3(0f, 0f, 0f); pause.GetComponent<RectTransform>().position = new Vector3(0f, 0f, 0f); pause.transform.position = new Vector3(0f, 0f, 0f); pause.transform.localPosition = new Vector3(0f, 0f, 0f);

Thanks for help...

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    \$\begingroup\$ Unity UI layouting problems are notoriously hard to troubleshoot without a complete picture of everything that is happening in the UI... Are there any layout-related components on the object or one of its parents? \$\endgroup\$ Commented Jun 2, 2016 at 14:05
  • \$\begingroup\$ pretty sure you need to set anchorMin and anchorMax before seeting anchoredPosition. \$\endgroup\$ Commented Jun 2, 2016 at 14:45
  • \$\begingroup\$ I'm having this same issue... 4 years later x_x \$\endgroup\$ Commented Apr 30, 2020 at 2:46

1 Answer 1

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4 years later but I bring an answer that solved it for me.

This is using a World Space Canvas and I was trying to instantiate a prefab (menu)

menu.GetComponent<RectTransform>().anchoredPosition3D = this.GetComponent<RectTransform>().anchoredPosition3D;

"this" being the parent

I think what was messing it up for me was that since I'd been at this for a while I tried the same thing you did: after calling this I had other things trying to reset it's position and those were the ones causing issues! Just do anchoredPosition3D and nothing else and it should work - if your situation was like mine.

EDIT: As @DMGregory explains in the comments the correct way would be:

((RectTransform)(menu.transform))anchoredPosition3D = ((RectTransform)transform).anchoredPosition3D;

But one year ago the code that I included here worked for me.

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