LandslideEmergencyEvacuation/EmergencyEvacuation/Assets/AutoHand/Scripts/Internal/HandGizmos.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Autohand
{
    [RequireComponent(typeof(Hand))]
    public class HandGizmos : MonoBehaviour
        {
    #if UNITY_EDITOR
        private float lastOffset;
        private Quaternion lastHandRot;
        private Vector3 lastHandPos;
        private float lastReachDistance;

        Hand hand;

        private void OnDrawGizmos() {
            if (hand == null)
                hand = GetComponent<Hand>();

            if(hand.palmTransform == null)
                return;
        }


        private void OnDrawGizmosSelected() {
            if(hand.palmTransform == null)
                return;
            Gizmos.color = Color.blue;
            Gizmos.DrawRay(hand.palmTransform.position, hand.palmTransform.forward* hand.reachDistance);

            if (lastOffset == 0)
                lastOffset = hand.gripOffset;
            if (hand.gripOffset != lastOffset){
                lastOffset = hand.gripOffset;
                hand.RelaxHand();
            }

            if (lastReachDistance == 0)
                lastReachDistance = hand.reachDistance;

            if (hand.reachDistance != lastReachDistance){
                var percent = hand.reachDistance / lastReachDistance;
                lastReachDistance = hand.reachDistance;
            }
        }
    #endif

    }
}