using UnityEngine;
    
    public class CurveLerpControl
{
    public Transform target;
    public Vector3 focusPoint;
    public Vector3 pos1, pos2;
    public Quaternion angle1, angl2;

    float d1, d2;

    public void Init()
    {
        d1 = Vector3.Distance(pos1, focusPoint);
        d2 = Vector3.Distance(pos2, focusPoint);
    }

    public void Update(float x)
    {
        var temp = Vector3.Lerp(pos1, pos2, x);
        float d = Mathf.Lerp(d1, d2, x);
        var dir = (temp - focusPoint).normalized;
        target.position = focusPoint + (dir * d);
        target.rotation = Quaternion.Slerp(angle1, angl2, x);
    }
}