KeyCode.DownArrow

Description

向下箭头键。

将此用作函数（如 Input.GetKey）的参数可检测用户按下向下箭头键的时间。

另请参阅：Input.GetKey、Input.GetKeyDown、Input.GetKeyUp。

//Attach this to a GameObject
//This script tells when the down arrow key is pressed and when it is released
using UnityEngine;

public class Example : MonoBehaviour
{
    void Update()
    {
        //Detect when the down arrow key is pressed down
        if (Input.GetKeyDown(KeyCode.DownArrow))
            Debug.Log("Down Arrow key was pressed.");

        //Detect when the down arrow key has been released
        if (Input.GetKeyUp(KeyCode.DownArrow))
            Debug.Log("Down Arrow key was released.");
    }
}