using UnityEngine;

public class CameraZoomAndModelMove : MonoBehaviour
{
    public Camera mainCamera;
    public Transform model;

    private Vector3 startPosition = new Vector3(0.311f, -0.118f, 0.4040003f); // FOV 60时的位置
    private Vector3 endPosition = new Vector3(0.214f, -0.085f, 1.008f);       // FOV 20时的位置

    private float maxFOV = 60f;
    private float minFOV = 20f;

    void Update()
    {
        HandleCameraZoom();
        MoveModelBasedOnFOV();
    }

    private void HandleCameraZoom()
    {
        float scrollInput = Input.GetAxis("Mouse ScrollWheel");
        mainCamera.fieldOfView -= scrollInput * 10f;
        mainCamera.fieldOfView = Mathf.Clamp(mainCamera.fieldOfView, minFOV, maxFOV);
    }

    private void MoveModelBasedOnFOV()
    {
        float t = Mathf.InverseLerp(maxFOV, minFOV, mainCamera.fieldOfView);
        float nonLinearT = t * t; 
        Debug.Log(nonLinearT);
        model.localPosition = Vector3.Lerp(startPosition, endPosition, nonLinearT);
        // model.localPosition = new Vector3(model.localPosition.x, model.localPosition.y, model.localPosition.z + 0.03f);
    }
}