Distance#

using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]

    [Title("Distance")]
    [Category("Math/Geometry/Distance", "Game Objects")]

    [Description("Returns the distance between the positions of two Game Objects")]
    [Image(typeof(IconCompass), ColorTheme.Type.Yellow, typeof(BadgeCubeOutline))]

    [Parameter("Game Object 1", "The Game Object the distance is measured from")]
    [Parameter("Game Object 2", "The Game Object the distance is measured to")]

    [Keywords("Vector", "Position", "Point", "Far", "Near", "Close", "Range")]

    [Serializable]
    public class TypeNumberMathGameObjectsDistance : TypeNumber
    {
        [SerializeField] private GetGameObject m_GameObject1 = new GetGameObject();
        [SerializeField] private GetGameObject m_GameObject2 = new GetGameObject();

        public override double GetPreview(GameObject source) => Distance(
            this.m_GameObject1.GetPreview(source),
            this.m_GameObject2.GetPreview(source)
        );

        public override double Get(Args args) => Distance(
            this.m_GameObject1.Get(args),
            this.m_GameObject2.Get(args)
        );

        private static double Distance(GameObject gameObject1, GameObject gameObject2)
        {
            if (gameObject1 == null || gameObject2 == null) return 0f;

            return Vector3.Distance(
                gameObject1.transform.position,
                gameObject2.transform.position
            );
        }

        public override string ToString()
        {
            return $"Distance ({this.m_GameObject1}, {this.m_GameObject2})";
        }

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