当我添加变换位置时，​​GUITexture会消失。 quaternion.identity

Question

我正在尝试为我的2d小行星观察者创建一个健康系统。我现在使用健康图标实例化：

Transform newHealthIcon = ((GameObject)Instantiate(healthIconGUI.gameObject)).transform;

然而，当我尝试设置它的变换位置和旋转时，纹理变得不可见并且不再显示。

Transform newHealthIcon = ((GameObject)Instantiate(healthIconGUI.gameObject, transform.position, Quaternion.identity)).transform;

这是完整的代码：

using UnityEngine;
using System.Collections;

public class Health : MonoBehaviour {

    public int startingHealth;
    public int healthPerIcon;
    public GUITexture healthIconGUI;
    private ArrayList healthIcons = new ArrayList();
    public int maxIconsPerRow;
    private float spacingX;
    private float spacingY;

    void Start () {
        spacingX = healthIconGUI.pixelInset.width;
        spacingY = healthIconGUI.pixelInset.height;

        AddHealth (startingHealth / healthPerIcon);

    }

    public void AddHealth(int n) {
        for (int i = 0; i < n; i++) {
            Transform newHealthIcon = ((GameObject)Instantiate(healthIconGUI.gameObject, transform.position, Quaternion.identity)).transform;
            newHealthIcon.parent = transform;

            int y = Mathf.FloorToInt(healthIcons.Count / maxIconsPerRow);
            int x = healthIcons.Count - y * maxIconsPerRow;

            newHealthIcon.GetComponent<GUITexture> ().pixelInset = new Rect(x * spacingX, y * spacingY, 1, 1);

            healthIcons.Add (newHealthIcon);
        }
    }

    public void ModifyHealth (int amount) {

    }
}