[游戏开发]Unity渲染展示（二）相机适配

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CameControl : MonoBehaviour
{

    [Tooltip("Camera的全屏Quad背景")]
    private CameraBackground _cameraBackground;

    [Tooltip("Camera的filedOfView")]
    private float _fieldOfView = -1f;

    [Tooltip("Camera的FieldOfView是否根据屏幕尺寸适配")]
    [SerializeField]
    private bool _isExpand = false;

    [Tooltip("Camera的filedOfView")]
    private Camera _camera;

    public  float ScreenAspectRatio
    {
        get
        {
            return (float)Screen.width / (float)Screen.height;
        }
    }

    public  float DesignAspectRatio
    {
        get
        {
            return 1280f / 720f; 
        }
    }

    public  float ScaleFactor
    {
        get
        {
            if (ScreenAspectRatio < DesignAspectRatio)
            {
                return ScreenAspectRatio / DesignAspectRatio;
            }
            else
            {
                return 1f;
            }
        }
    }

    void Awake()
    {
        _camera = gameObject.GetComponent<Camera>();
        _cameraBackground = gameObject.GetComponentInChildren<CameraBackground>();
    }



    private void Update()
    {
        if(_isExpand)
        {
            if (_fieldOfView < 0)
            {
                _fieldOfView = _camera.fieldOfView;
            }
            _camera.fieldOfView = _fieldOfView / ScaleFactor;
        }
        else if (_fieldOfView >= 0)
        {
            _camera.fieldOfView = _fieldOfView;
        }
        if (_cameraBackground != null)
        {
            _cameraBackground.resetSize();
        }

    }
}

源码链接：https://download.csdn.net/download/qq_30058057/21735799