使用 ARCORE 进行适当的 Raycast

Question

我尝试在我的应用程序中添加一些简单的光线投射效果。在编辑器中完美运行，但一旦我尝试将它与 ARCORE 一起使用，我就无法进行正确的光线投射...

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;
using GoogleARCore;


public class RaycastObject : MonoBehaviour
{
    public enum HoverState { HOVER, NONE };
    public HoverState hover_state = HoverState.NONE;

    // Use this for initialization
    void Start () {

    }

    // Update is called once per frame
    void Update()
    {
        RaycastHit hit;
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

        if (Physics.Raycast(ray, out hit)) //If collision
        {
            if (hover_state == HoverState.NONE && hit.transform.tag == "TestCollider") //if gamertag
            {
                Destroy(hit.transform.gameObject);
                hover_state = HoverState.HOVER;
            }
            else if(hover_state == HoverState.HOVER && hit.transform.tag != "TestCollider")
            {
                hover_state = HoverState.NONE;
            }
        }
        else
        {
            if (hover_state == HoverState.HOVER) //if gamertag
            {
                hover_state = HoverState.NONE;
            }
        }
    }
}

我将此代码放在 ARCORe 设备对象中的第一人称相机上。我必须使用 TrackableHit 而不是 RaycastHit 吗？有人有合适的例子或可以帮助我更正我的代码吗？

Answer 1

终于成功了，我不得不在 public 中传递 ARController 并将其拖放到 Inspector 中！

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using GoogleARCore.HelloAR;

public class RaycastCatchObject : MonoBehaviour
{
    private GameObject childObject;
    public ExampleARController helloAr;
    public enum HoverState { HOVER, NONE };
    public HoverState hover_state = HoverState.NONE;

    private void Start()
    {
        helloAr._ShowAndroidToastMessage("Awake");
    }

    //Update is called once per frame
    public void FixedUpdate()
    {
        Vector3 fwd = transform.TransformDirection(Vector3.forward);

        RaycastHit hit;

        if (Physics.Raycast(transform.position, fwd, out hit)) //if hit a 3D Object
        {
            if (hover_state == HoverState.NONE && hit.transform.tag == "gameObjectCollider") //if object hit get a tag gameObjectCollider
            {
                helloAr._ShowAndroidToastMessage("In");
                hover_state = HoverState.HOVER;
            }
            else if (hover_state == HoverState.HOVER && hit.transform.tag != "gameObjectCollider")
            {
                helloAr._ShowAndroidToastMessage("Out");
                hover_state = HoverState.NONE;
            }
        }
        else
        {
            if (hover_state == HoverState.HOVER)
            {
                helloAr._ShowAndroidToastMessage("Out");
                hover_state = HoverState.NONE;
            }
        }
    }
}

使用 ARCORE 进行适当的 Raycast

Proper Raycast with ARCORE

c#

unity3d

unity5

arcore