what is lerp function
using UnityEngine;public class Example : MonoBehaviour
{
// Interpolates rotation between the rotations
// of from and to.
// (Choose from and to not to be the same as
// the object you attach this script to) Transform from;
Transform to;
float speed = 0.1f;
void Update()
{
transform.rotation = Quaternion.Lerp(from.rotation, to.rotation, Time.time * speed);
}
}