unity 3D 场景缩放代码

using UnityEngine;
using System.Collections;

public class changjingsuofang : MonoBehaviour
{
        
        public float minFov = 15f;
        public float maxFov = 90f;
        public float sensitivity = 10f;
        
        void Update()
        {
                float fov = Camera.main.fieldOfView;
                fov += Input.GetAxis("Mouse ScrollWheel") * sensitivity;
                fov = Mathf.Clamp(fov, minFov, maxFov);
                Camera.main.fieldOfView = fov;
        }
}

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