Slot Prefab instantiating outside of set parent

Questions & Answers
1

I’m working through a tutorial from a few years ago so it’s doubtful I’d get any help from the original video, so I turn to you. This script is attached to an image inside of a canvas, inside of another canvas.
At this point in the video, the instantiated prefabs are inside of the image, but I must be missing something. I would rather have the prefabs instantiate on a panel, but I’m getting the same results.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Inventory : MonoBehaviour
{

    RectTransform inventorySlotRect;
    float inventoryWidth, inventoryHeight;

    public int slots;
    public int rows;
    public float slotPaddingLeft, slotPaddingTop;
    public float slotSize;
    //public Transform InventoryDisplayParent;

    public GameObject InventorySlotPrefab;
    List<GameObject> allSlotsList; 

    // Start is called before the first frame update
    void Start()
    {
        CreateInventoryLayout();
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    void CreateInventoryLayout()
    {
        allSlotsList = new List<GameObject>();
        inventoryWidth = (slots / rows) * (slotSize + slotPaddingLeft) +slotPaddingLeft;
        inventoryHeight = rows * (slotSize + slotPaddingTop) + slotPaddingTop;
        int collumns= slots/rows;

        inventorySlotRect = GetComponent<RectTransform>();
        inventorySlotRect.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, inventoryWidth);
        inventorySlotRect.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, inventoryHeight);
        
        for(int y=0; y<rows; y++)
        {
            for(int x=0; x<collumns; x++)
            {
                GameObject newInventorySlot = (GameObject)Instantiate(InventorySlotPrefab);
                RectTransform inventorySlotRect = newInventorySlot.GetComponent<RectTransform>();

                newInventorySlot.name = "Slot";
                newInventorySlot.transform.SetParent(this.transform.parent);

                inventorySlotRect.localPosition = inventorySlotRect.localPosition + new Vector3(slotPaddingLeft * (x + 1) + (slotSize * x), -slotPaddingTop *(y +1)-(slotSize *y)) ;
                //inventorySlotRect.transform.SetParent(InventoryDisplayParent);
                inventorySlotRect.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, slotSize);
                inventorySlotRect.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, slotSize);

                allSlotsList.Add(newInventorySlot);
            }
        }

    }
}

Would someone give this a once over and see where the problem lies?
All anchor points are set to upper left and I’ve tried every layout component to no avail.
Thanks!

2

Hello,

This is probably due to the set parent statement.
Please check below

// your current code
newInventorySlot.transform.SetParent(this.transform.parent);  // current gameobject's parent

// what it should be to make it child object of the Image/current object
newInventorySlot.transform.SetParent(this.transform);  // current gameobject