ar_tourism_flutter_unity/unity/VRProject2/Assets/zhl/zhlScripts/GiveLike.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class GiveLike : MonoBehaviour
{
    public Button likeButton;
    public GameObject uiElement;
    public GameObject findGameObject;
    public GameObject previousGameObject = null;

    public bool isDown = false;
    public bool isDown2 = false;
    void Start()
    {
        uiElement.SetActive(false);
    }
    //Renderer myRenderer;
    Material material;
    RaycastHit hit;
    private void Update()
    {
        Vector3 screenCenter = new Vector3(Screen.width / 2, Screen.height / 2, 0);

        Ray ray = Camera.main.ScreenPointToRay(screenCenter);

        Debug.DrawRay(ray.origin, ray.direction * 1000, Color.red);

        if (Physics.Raycast(ray, out hit))
        {
            findGameObject = hit.collider.gameObject;
            //ChangeMaterial(findGameObject, new Color(1f, 0.843f, 0f)); // 255, 215, 0 in RGB
            //myRenderer = hit.collider.gameObject.GetComponent<Renderer>();

        }
        else
        {
            //ChangeMaterial(findGameObject, Color.red); // 红色
            findGameObject = null;
        }

        if (isDown)
        {
            if (previousGameObject != null && previousGameObject != findGameObject)
            {
                if (previousGameObject.name.Contains("视频Plane"))
                {
                    //ChangeMaterial(previousGameObject, Color.red); // 红色
                }
                else if(previousGameObject.name.Contains("广告Plane"))
                {
                     //ChangeMaterial(previousGameObject, Color.blue);
                }

                //highlightUser.OffGameObject(previousGameObject);
            }

            if (findGameObject != null)
            {
               if (previousGameObject.name.Contains("视频Plane"))
                {
                    //ChangeMaterial(previousGameObject, Color.red); // 红色
                }
                else if(previousGameObject.name.Contains("广告Plane"))
                {
                     //ChangeMaterial(previousGameObject, Color.blue);
                }
                Debug.Log("111");
            }
        }
        else if (isDown2)
        {
            if (previousGameObject != null && previousGameObject != findGameObject)
            {
                if (previousGameObject.name.Contains("视频Plane"))
                {
                    //ChangeMaterial(previousGameObject, Color.red); // 红色
                }
                else if(previousGameObject.name.Contains("广告Plane"))
                {
                     //ChangeMaterial(previousGameObject, Color.blue);
                }
            }

            if (findGameObject != null)
            {
                //ChangeMaterial(findGameObject, new Color(1f, 0.843f, 0f));
                //highlightUser.SetGameObject(findGameObject);
            }
        }
        else
        {
            if (previousGameObject != null)
            {
                //ChangeMaterial(previousGameObject, Color.red); // 红色
                //highlightUser.OffGameObject(previousGameObject);
            }
        }

        previousGameObject = findGameObject;
    }
    void ChangeMaterial(GameObject obj, Color color)
    {
        Renderer renderer = obj?.GetComponent<Renderer>();
        if (renderer != null && renderer.material != null)
        {
            renderer.material.color = color;
        }
    }
    Renderer currRenderer;
    Color color;
    public void OnPointerDown()
    {
        //highlightUser.SetGameObject(findGameObject);
        isDown = true;
        uiElement.SetActive(true);
    }


    public void OnPointerUp()
    {
        isDown = false;
        //currRenderer.material.color = color;
        //highlightUser.OffGameObject(findGameObject);
        uiElement.SetActive(false);
        //findGameObject = null;
        //myRenderer = currRenderer;
    }
    public void OnPointerDown2()
    {
        isDown2 = true;
    }


    public void OnPointerUp2()
    {
        isDown2 = false;
    }
}