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Unity瞄准镜效果 Unity实现瞄准镜效果

fanfan_hongyun 人气:0
想了解Unity实现瞄准镜效果的相关内容吗,fanfan_hongyun在本文为您仔细讲解Unity瞄准镜效果的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:Unity,瞄准镜,下面大家一起来学习吧。

using UnityEngine;
using System.Collections;
 
public class TelesopicView : MonoBehaviour
{
 
    public float zoomLevel = 2.0f;
    public float zoomInSpeed = 100.0f;
    public float zoomOutSpeed = 100.0f;
 
    private float initFOV;
    public GameObject obj;
    void Start()
    {
        //获取当前摄像机的视野范围 unity默认值60
        initFOV = Camera.main.fieldOfView;
    }
 
    void Update()
    {
        if (Input.GetMouseButton(0))
        {
            ZoomInView();
            //激活ui窗口
            obj.SetActive(true);
        }
        else
        {
            ZoomOutView();
            //失活ui窗口
            obj.SetActive(false);
        }
    }
 
    //放大摄像机的视野区域
    void ZoomInView()
    {
        if (Mathf.Abs(Camera.main.fieldOfView - (initFOV / zoomLevel)) < 0f)
        {
            Camera.main.fieldOfView = initFOV / zoomLevel;
        }
        else if (Camera.main.fieldOfView - (Time.deltaTime * zoomInSpeed) >= (initFOV / zoomLevel))
        {
            Camera.main.fieldOfView -= (Time.deltaTime * zoomInSpeed);
        }
    }
 
    //缩小摄像机的视野区域
    void ZoomOutView()
    {
        if (Mathf.Abs(Camera.main.fieldOfView - initFOV) < 0f)
        {
            Camera.main.fieldOfView = initFOV;
        }
        else if (Camera.main.fieldOfView + (Time.deltaTime * zoomOutSpeed) <= initFOV)
        {
            Camera.main.fieldOfView += (Time.deltaTime * zoomOutSpeed);
        }
    }
}

此脚本挂到unity主相机即可,可通过更改zoomLevel更改倍镜倍数

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