Input.GetAxis("Horizontal") ，一直输出为 0
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class main : MonoBehaviour {
// Use this for initialization
void Start () {
Debug.Log("y " + Input.GetAxis("Horizontal"));
//输出 y 0
}
// Update is called once per frame
void Update () {
}
}
