RokidXRUnity/Runtime/Scripts/Input/Interaction/Components/ProximityLight.cs

using System;
using System.Net.Sockets;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Rokid.UXR.Interaction {
	public class ProximityLight : MonoBehaviour
	{
	    [SerializeField]
	    private PokeInteractor pokeInteractor;
	    [SerializeField]
	    private Material ligthMat;
	
	    [SerializeField]
	    private GameObject lightPoint;
	
	    [SerializeField]
	    private float baseDistance = 0.1f;
	
	    [SerializeField]
	    private float minScale = 0.2f;
	
	    [SerializeField]
	    private float maxScale = 2f;
	
	    private void Start()
	    {
	        if (pokeInteractor == null)
	        {
	            pokeInteractor = GetComponentInParent<PokeInteractor>();
	        }
	        if (ligthMat == null)
	        {
	            ligthMat = GetComponentInChildren<MeshRenderer>().material;
	        }
	        if (lightPoint == null)
	        {
	            lightPoint = transform.GetChild(0).gameObject;
	        }
	    }
	
	    private void Update()
	    {
	        bool light_active = false;
	        if (pokeInteractor.HasInteractable)
	        {
	            // pokeinter pokeInteractor.Interactable 
	            Vector3 touchPoint = pokeInteractor.TouchPoint;
	            Vector3 touchNormal = pokeInteractor.TouchNormal;
	            if (touchPoint != Vector3.zero)
	            {
	                if (pokeInteractor.InteractorButtonUpPosition != Vector3.zero)
	                {
	                    transform.position = new Vector3(touchPoint.x, touchPoint.y, pokeInteractor.InteractorButtonUpPosition.z);
	                }
	                else
	                {
	                    transform.position = touchPoint;
	                }
	                transform.rotation = Quaternion.FromToRotation(Vector3.back, pokeInteractor.TouchNormal);
	                float distance = Vector3.Distance(pokeInteractor.transform.position, transform.position);
	                distance *= Mathf.Sign(Vector3.Dot(pokeInteractor.TouchNormal, pokeInteractor.transform.position - transform.position));
	                float scale = Mathf.Clamp(distance / baseDistance, minScale, maxScale);
	                lightPoint.transform.localScale = Vector3.one * scale;
	                
	                ligthMat.SetFloat("_Opacity",Mathf.Clamp( 0.4f / (scale * 0.8f),0,1f));
	                light_active = distance > 0.001f;
	            }
	        }
	        else
	        {
	            light_active = false;
	            //lightPoint.gameObject.SetActive(false);
	        }
	
	        if (light_active != lightPoint.activeSelf)
	        {
	            lightPoint.SetActive(light_active);
	        }
	    }
	}
}