Keyboard Axis#

using System;
using UnityEngine;
using UnityEngine.InputSystem;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]

    [Title("Keyboard Axis")]
    [Category("Input/Keyboard Axis")]

    [Description("Returns a single axis of the WASD or the Arrow keys")]
    [Image(typeof(IconWASD), ColorTheme.Type.Blue, typeof(BadgeDot))]

    [Parameter("Keys", "Which set of directional keys is read")]
    [Parameter("Axis", "Whether the horizontal or the vertical value is returned")]

    [Keywords("Move", "Keys", "Arrows", "Horizontal", "Vertical")]

    [Serializable]
    public class TypeNumberInputKeyboardAxis : TypeNumber
    {
        [SerializeField] private KeyboardDirections m_Keys = KeyboardDirections.WASD;
        [SerializeField] private InputAxis m_Axis = InputAxis.Horizontal;

        public override double Get(Args args)
        {
            Keyboard keyboard = Keyboard.current;
            if (keyboard == null) return 0d;

            (Key negative, Key positive) = (this.m_Keys, this.m_Axis) switch
            {
                (KeyboardDirections.WASD, InputAxis.Horizontal) => (Key.A, Key.D),
                (KeyboardDirections.WASD, InputAxis.Vertical) => (Key.S, Key.W),
                (KeyboardDirections.Arrows, InputAxis.Horizontal) => (Key.LeftArrow, Key.RightArrow),
                (KeyboardDirections.Arrows, InputAxis.Vertical) => (Key.DownArrow, Key.UpArrow),
                _ => throw new ArgumentOutOfRangeException()
            };

            double value = 0d;

            if (keyboard[positive].isPressed) value += 1d;
            if (keyboard[negative].isPressed) value -= 1d;

            return value;
        }

        public override string ToString()
        {
            return $"Keyboard {this.m_Keys} {this.m_Axis}";
        }

        protected override SubscriptionMode Subscription => SubscriptionMode.OnChange;
    }
}