ヽ｜∵｜ゝ(Fantom) の 開発blog？

//Backslash を displayName で使う
((KeyControl)Keyboard.current["#(\\\\)"]).wasPressedThisFrame  //※要キャスト

//KeyboardLayout を利用
var keyControl = Keyboard.current.FindKeyOnCurrentKeyboardLayout("\\");
keyControl.wasPressedThisFrame  //押した瞬間

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

#if ENABLE_INPUT_SYSTEM
using UnityEngine.InputSystem;
#endif

public class InputSystemRelatimeKeyCheck : MonoBehaviour
{
#if ENABLE_INPUT_SYSTEM
    Key[] inputSystemKeys;

    //Keyboard.current[key] で以下はエラーが出るため、除外するリスト
    //ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
    HashSet<Key> exceptKeys = new HashSet<Key>()
    {
        Key.None, Key.IMESelected,
    };

    private void Start()
    {
        inputSystemKeys = Enum.GetValues(typeof(Key))
                              .Cast<Key>()
                              .Where(e => !exceptKeys.Contains(e))  //exceptKeys にあるものは除く
                              .ToArray();
    }

    private void Update()
    {
        if (Keyboard.current.anyKey.wasPressedThisFrame)  //Input.anyKeyDown 相当
        {
            foreach (var key in inputSystemKeys)
            {
                if (Keyboard.current[key].wasPressedThisFrame)
                {
                    Debug.Log(key);
                    break;
                }
            }
        }
    }
#endif
}

Key[] inputSystemKeys = Enum.GetValues(typeof(Key)).Cast<Key>().Where(e => e != Key.None && e != Key.IMESelected).ToArray();

//Key(enum)型表記
Keyboard.current[Key.A].wasPressedThisFrame

//displayName (文字列型) → control path にして利用（※大文字小文字は区別しない）
((KeyControl)Keyboard.current["#(a)"]).wasPressedThisFrame  //※要: KeyControl にキャスト

//displayName (文字列型) を KeyboardLayout から検出
var keyControl = Keyboard.current.FindKeyOnCurrentKeyboardLayout("a");
keyControl.wasPressedThisFrame  //押した瞬間

using UnityEngine;

#if ENABLE_INPUT_SYSTEM
using UnityEngine.InputSystem;
#endif

public class InputSystemKeyTest : MonoBehaviour
{
#if ENABLE_INPUT_SYSTEM
    public Key inputSystemKey;  //インスペクタで "None" 以外にする
    //※ただし、Keyboard.current[Key.IMESelected] すると、なぜか ArgumentOutOfRangeException: Specified argument was out of the range of valid values. が出るので注意

    bool pressing;  //押下中フラグ

    private void Update()
    {
        if (!pressing && Keyboard.current[inputSystemKey].wasPressedThisFrame)  //押した
        {
            pressing = true;

            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].wasPressedThisFrame = {Keyboard.current[inputSystemKey].wasPressedThisFrame}");   //True
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].isPressed = {Keyboard.current[inputSystemKey].isPressed}");                       //True
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].wasReleasedThisFrame = {Keyboard.current[inputSystemKey].wasReleasedThisFrame}"); //False
        }
        else if (pressing && Keyboard.current[inputSystemKey].wasReleasedThisFrame)  //離した
        {
            pressing = false;

            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].wasPressedThisFrame = {Keyboard.current[inputSystemKey].wasPressedThisFrame}");   //False
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].isPressed = {Keyboard.current[inputSystemKey].isPressed}");                       //False
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].wasReleasedThisFrame = {Keyboard.current[inputSystemKey].wasReleasedThisFrame}"); //True
        }
        else if (pressing)  //継続中
        {
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].wasPressedThisFrame = {Keyboard.current[inputSystemKey].wasPressedThisFrame}");   //False
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].isPressed = {Keyboard.current[inputSystemKey].isPressed}");                       //True
            Debug.Log($"frame: {Time.frameCount}, [{inputSystemKey}].wasReleasedThisFrame = {Keyboard.current[inputSystemKey].wasReleasedThisFrame}"); //False
        }
        else
        {
            //押してないとき
        }
    }
#endif
}

//Key(enum)型表記
Keyboard.current[Key.Escape].wasPressedThisFrame

//プロパティ表記
Keyboard.current.escapeKey.wasPressedThisFrame

//文字列型（※大文字小文字は区別しない）
((KeyControl)Keyboard.current["escape"]).wasPressedThisFrame  //※要: KeyControl にキャスト

using UnityEngine;

public class InputManagerKeyTest : MonoBehaviour
{
    public KeyCode keyCode;  //インスペクタで "None" 以外にする

    bool pressing;  //押下中フラグ

    private void Update()
    {
        if (!pressing && Input.GetKeyDown(keyCode))  //押した
        {
            pressing = true;

            Debug.Log($"frame: {Time.frameCount}, GetKeyDown = {Input.GetKeyDown(keyCode)}"); //True
            Debug.Log($"frame: {Time.frameCount}, GetKey = {Input.GetKey(keyCode)}");         //True
            Debug.Log($"frame: {Time.frameCount}, GetKeyUp = {Input.GetKeyUp(keyCode)}");     //False
        }
        else if (pressing && Input.GetKeyUp(keyCode))  //離した
        {
            pressing = false;

            Debug.Log($"frame: {Time.frameCount}, GetKeyDown = {Input.GetKeyDown(keyCode)}"); //False
            Debug.Log($"frame: {Time.frameCount}, GetKey = {Input.GetKey(keyCode)}");         //False
            Debug.Log($"frame: {Time.frameCount}, GetKeyUp = {Input.GetKeyUp(keyCode)}");     //True
        }
        else if (pressing)  //継続中
        {
            Debug.Log($"frame: {Time.frameCount}, GetKeyDown = {Input.GetKeyDown(keyCode)}"); //False
            Debug.Log($"frame: {Time.frameCount}, GetKey = {Input.GetKey(keyCode)}");         //True
            Debug.Log($"frame: {Time.frameCount}, GetKeyUp = {Input.GetKeyUp(keyCode)}");     //False
        }
        else
        {
            //押してないとき
        }
    }
}

using UnityEngine;

#if ENABLE_INPUT_SYSTEM
using UnityEngine.InputSystem;
#endif

public class InputSystemMouseTest : MonoBehaviour
{
#if ENABLE_INPUT_SYSTEM
    bool pressing;  //押下中フラグ

    private void Update()
    {
        if (!pressing && Mouse.current.leftButton.wasPressedThisFrame)  //押した
        {
            pressing = true;

            Debug.Log($"frame: {Time.frameCount}, wasPressedThisFrame = {Mouse.current.leftButton.wasPressedThisFrame}");   //True
            Debug.Log($"frame: {Time.frameCount}, isPressed = {Mouse.current.leftButton.isPressed}");                       //True
            Debug.Log($"frame: {Time.frameCount}, wasReleasedThisFrame = {Mouse.current.leftButton.wasReleasedThisFrame}"); //False
        }
        else if (pressing && Mouse.current.leftButton.wasReleasedThisFrame)  //離した
        {
            pressing = false;

            Debug.Log($"frame: {Time.frameCount}, wasPressedThisFrame = {Mouse.current.leftButton.wasPressedThisFrame}");   //False
            Debug.Log($"frame: {Time.frameCount}, isPressed = {Mouse.current.leftButton.isPressed}");                       //False
            Debug.Log($"frame: {Time.frameCount}, wasReleasedThisFrame = {Mouse.current.leftButton.wasReleasedThisFrame}"); //True
        }
        else if (pressing)  //継続中
        {
            Debug.Log($"frame: {Time.frameCount}, wasPressedThisFrame = {Mouse.current.leftButton.wasPressedThisFrame}");   //False
            Debug.Log($"frame: {Time.frameCount}, isPressed = {Mouse.current.leftButton.isPressed}");                       //True
            Debug.Log($"frame: {Time.frameCount}, wasReleasedThisFrame = {Mouse.current.leftButton.wasReleasedThisFrame}"); //False
        }
        else
        {
            //押してないとき
        }
    }
#endif
}

using UnityEngine;

public class InputManagerMouseTest : MonoBehaviour
{
    bool pressing;  //押下中フラグ

    private void Update()
    {
        if (!pressing && Input.GetMouseButtonDown(0))  //押した
        {
            pressing = true;

            Debug.Log($"frame: {Time.frameCount}, GetMouseButtonDown = {Input.GetMouseButtonDown(0)}"); //True
            Debug.Log($"frame: {Time.frameCount}, GetMouseButton = {Input.GetMouseButton(0)}");         //True
            Debug.Log($"frame: {Time.frameCount}, GetMouseButtonUp = {Input.GetMouseButtonUp(0)}");     //False
        }
        else if (pressing && Input.GetMouseButtonUp(0))  //離した
        {
            pressing = false;

            Debug.Log($"frame: {Time.frameCount}, GetMouseButtonDown = {Input.GetMouseButtonDown(0)}"); //False
            Debug.Log($"frame: {Time.frameCount}, GetMouseButton = {Input.GetMouseButton(0)}");         //False
            Debug.Log($"frame: {Time.frameCount}, GetMouseButtonUp = {Input.GetMouseButtonUp(0)}");     //True
        }
        else if (pressing)  //継続中
        {
            Debug.Log($"frame: {Time.frameCount}, GetMouseButtonDown = {Input.GetMouseButtonDown(0)}"); //False
            Debug.Log($"frame: {Time.frameCount}, GetMouseButton = {Input.GetMouseButton(0)}");         //True
            Debug.Log($"frame: {Time.frameCount}, GetMouseButtonUp = {Input.GetMouseButtonUp(0)}");     //False
        }
        else
        {
            //押してないとき
        }
    }
}

using UnityEngine;

#if ENABLE_INPUT_SYSTEM
using UnityEngine.InputSystem;
using TouchPhase = UnityEngine.InputSystem.TouchPhase;
#endif

#if ENABLE_INPUT_SYSTEM
Debug.Log("Began = " + TouchPhase.Began.IsActive());           //True
Debug.Log("Canceled = " + TouchPhase.Canceled.IsActive());     //False
Debug.Log("Ended = " + TouchPhase.Ended.IsActive());           //False
Debug.Log("Moved = " + TouchPhase.Moved.IsActive());           //True
Debug.Log("None = " + TouchPhase.None.IsActive());             //False
Debug.Log("Stationary = " + TouchPhase.Stationary.IsActive()); //True
#endif

using UnityEngine;

#if ENABLE_INPUT_SYSTEM
using UnityEngine.InputSystem;
using TouchPhase = UnityEngine.InputSystem.TouchPhase;
#endif

#if ENABLE_INPUT_SYSTEM
Debug.Log("Began = " + TouchPhase.Began.IsEndedOrCanceled());           //False
Debug.Log("Canceled = " + TouchPhase.Canceled.IsEndedOrCanceled());     //True
Debug.Log("Ended = " + TouchPhase.Ended.IsEndedOrCanceled());           //True
Debug.Log("Moved = " + TouchPhase.Moved.IsEndedOrCanceled());           //False
Debug.Log("None = " + TouchPhase.None.IsEndedOrCanceled());             //False
Debug.Log("Stationary = " + TouchPhase.Stationary.IsEndedOrCanceled()); //False
#endif