Direction From To#

using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]

    [Title("Direction From To")]
    [Category("Math/Direction From To")]

    [Description("The unit length direction that goes from one position to another one")]
    [Image(typeof(IconCompass), ColorTheme.Type.Yellow, typeof(BadgeArrowRight))]

    [Parameter("From", "The position the direction starts at")]
    [Parameter("To", "The position the direction points to")]

    [Keywords("Vector", "Towards", "Look", "Aim", "Normalize", "Subtract", "Delta")]

    [Serializable]
    public class TypeVector3MathDirectionFromTo : TypeVector3
    {
        [SerializeField] private GetVector3 m_From = new GetVector3();
        [SerializeField] private GetVector3 m_To = new GetVector3();

        public override Vector3 GetPreview(GameObject source) => Direction(
            this.m_From.GetPreview(source),
            this.m_To.GetPreview(source)
        );

        public override Vector3 Get(Args args) => Direction(this.m_From.Get(args), this.m_To.Get(args));

        private static Vector3 Direction(Vector3 from, Vector3 to)
        {
            return (to - from).normalized;
        }

        public override string ToString()
        {
            return $"{this.m_From} to {this.m_To}";
        }

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