Cinemachineのコントローラーの向きを逆にする

CinemachineCustomAxis.cs

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

public class CinemachineCustomAxis : MonoBehaviour
{
	public bool xInversion, yInversion;

	void Start ()
	{
		Cinemachine.CinemachineCore.GetInputAxis = GetAxisCustom;
	}

	public float GetAxisCustom(string axisName)
	{
		if(axisName == "Mouse X")
		{
			return Input.GetAxis(axisName) * (xInversion? -1f : 1f);
		}
		else if (axisName == "Mouse Y")
		{
			return Input.GetAxis(axisName) * (yInversion? -1 : 1);
		}

		return 0;       
	}
}

https://forum.unity.com/threads/overriding-freecamera-cinemachine-inputs-or-freecamera-axis-inversion.484819/