一个简单的实例，演示了如何使用Vector3.Lerp来实现物体在两个位置之间平滑移动的效果：

using UnityEngine;

public class ObjectMovement : MonoBehaviour
{
    public Transform startPoint;
    public Transform endPoint;
    public float moveDuration = 2f;

    private float elapsedTime = 0f;
    private bool isMoving = false;

    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space) && !isMoving)
        {
            StartMoving();
        }

        if (isMoving)
        {
            MoveObject();
        }
    }

    private void StartMoving()
    {
        elapsedTime = 0f;
        isMoving = true;
    }

    private void MoveObject()
    {
        elapsedTime += Time.deltaTime;

        if (elapsedTime >= moveDuration)
        {
            // 移动完成
            transform.position = endPoint.position;
            isMoving = false;
        }
        else
        {
            // 在起始点和结束点之间平滑移动
            float t = elapsedTime / moveDuration;
            transform.position = Vector3.Lerp(startPoint.position, endPoint.position, t);
        }
    }
}

 当按下space键的时候，正方形从开始点到结束点平滑移动，lerp函数不断生成中间经过的点