ChivaFrameWork/Framework/Toolkits/CameraRayCast/CameraRayCastManager.cs

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

public class CameraRayCastManager : MonoSingleton<CameraRayCastManager>
{
    //活跃状态检测物体
    public static int RayCastActivelayer = 25;
    private Camera mainCamera;
    public RayCastItem currentRayCastItem;

    private void Awake()
    {
        Camera[] camera = FindObjectsOfType<Camera>();

        for (int i = 0; i < camera.Length; i++)
        {
            if (camera[i].isActiveAndEnabled && camera[i].tag == "MainCamera")
            {
                mainCamera = camera[i];
                break;
            }
        }

        if (mainCamera == null) Debug.LogError("未查找到主摄像机");
    }

    private void Update()
    {
        if (mainCamera == null) return;
        //if (EventSystem.current.IsPointerOverGameObject()) return;

        RaycastHit hit;
        //活跃状态RaycastItem检测
        if (Physics.Raycast(mainCamera.ScreenPointToRay(Input.mousePosition), out hit, 50, 1 << RayCastActivelayer))
        {
            CheckRayCastItem(hit);
        }
        //非活跃状态检测
        else if (Physics.Raycast(mainCamera.ScreenPointToRay(Input.mousePosition), out hit, 50))
        {
            CheckRayCastItem(hit);
        }
        else if (currentRayCastItem)
        {
            currentRayCastItem.CloseHighlighter();
            currentRayCastItem = null;
        }
    }

    private void CheckRayCastItem(RaycastHit hit)
    {
        if (hit.collider.GetComponentInParent<RayCastItem>() != null)
        {
            if (currentRayCastItem)
            {
                currentRayCastItem.CloseHighlighter();
            }

            currentRayCastItem = hit.collider.GetComponentInParent<RayCastItem>();
            currentRayCastItem.InitRayCastParents();

            //考核模式关闭划过高亮
            if (OperateSetting.Instance.m_CurrentOperationMode == OperationMode.Exam)
            {
                return;
            }


            currentRayCastItem.OpenHighlighter(OutLineType.hover);
        }
        else if (currentRayCastItem)
        {     //考核模式关闭划过高亮
            if (OperateSetting.Instance.m_CurrentOperationMode == OperationMode.Exam)
            {
                currentRayCastItem = null;
                return;
            }

            currentRayCastItem.CloseHighlighter();
            currentRayCastItem = null;
        }
    }

    public bool CheckCurrentHoverItem(RayCastItem item)
    {
        if (currentRayCastItem == null)
            return false;
        else
            return currentRayCastItem.Contains(item);
    }
}