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

namespace BITKit
{
    [System.Serializable]
    public class SpringEulerAngle
    {
        public float damp = 20;
        public float frequence = 15;
        [HideInInspector]
        public Vector3 value = Vector2.zero;
        Vector3 dampValue = Vector2.zero;


        public void Clear()
        {
            value = Vector2.zero;
            dampValue = Vector2.zero;
        }

        public void Update(float deltaTime, Vector3 target)
        {
            value -= dampValue * deltaTime * frequence;
            dampValue = eulerLerp(dampValue, value - target, deltaTime * damp);
        }
        public static Vector3 eulerLerp(Vector3 left, Vector3 right, float t)
        {
            Vector3 ret;
            ret.x = Mathf.LerpAngle(left.x, right.x, t);
            ret.y = Mathf.LerpAngle(left.y, right.y, t);
            ret.z = Mathf.LerpAngle(left.z, right.z, t);
            return ret;
        }
    }
}