Hololens凝视选择更换材质

using System.Collections;

public class ButtonInteractible : MonoBehaviour
{
    public Texture2D normalTexture;
    public Texture2D hiTexture;
    public Texture2D seTexture;
    private Material meshMaterial;
    public GameObject toolTip;
    public void Start()
    {
        meshMaterial = transform.FindChild("UI").gameObject.GetComponent<MeshRenderer>().material; 
    }

    void GazeEntered()
    {
        meshMaterial.SetTexture("_MainTex", hiTexture);
        toolTip.SetActive(true);
    }

    void GazeExited()
    {
        meshMaterial.SetTexture("_MainTex", normalTexture);
        toolTip.SetActive(false);
    }

    void OnTapped()
    {
        meshMaterial.SetTexture("_MainTex", seTexture);
    }


}