BloodAndGore/Assets/Scripts/Utils/CameraHelper.cs

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

namespace Saltosion.OneWeapon.Utils {
    public class CameraHelper : MonoBehaviour {
        public Camera Camera;
        [Range(1, 4)]
        public int PixelScale = 2;
        public int PixelsPerUnit = 32;

        private int LastHeight = -1;

        private void Update() {
            if (LastHeight != Screen.height) {
                Camera.orthographicSize = Screen.height * ((0.5f / PixelsPerUnit) / PixelScale);
                LastHeight = Screen.height;
            }
        }
    }
}