/******************************************************************************
 * Copyright (C) Ultraleap, Inc. 2011-2021.                                   *
 *                                                                            *
 * Use subject to the terms of the Apache License 2.0 available at            *
 * http://www.apache.org/licenses/LICENSE-2.0, or another agreement           *
 * between Ultraleap and you, your company or other organization.             *
 ******************************************************************************/

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

namespace Leap.Unity.Geometry
{

    [System.Serializable]
    public struct Capsule
    {

        public Vector3 posA;
        public Vector3 posB;
        public float radius;
        public Transform transform;

        // TODO: overrideMatrix not yet needed for Capsules.
        //public Matrix4x4? overrideMatrix;

        #region Constructors

        public Capsule(Vector3 posA, Vector3 posB, float radius)
                 : this(posA, posB, radius, null) { }

        public Capsule(Sphere sphere, Vector3 otherCenter)
                 : this(sphere.center, otherCenter, sphere.radius, sphere.transform) { }

        public Capsule(Vector3 posA, Vector3 posB, float radius, Transform transform)
        {
            this.posA = posA;
            this.posB = posB;
            this.radius = radius;
            this.transform = transform;

            //overrideMatrix = null;
        }

        #endregion



    }

    public static class CapsuleExtensions
    {

        /// <summary>
        /// Returns a Capsule representing this Sphere swept along a line to a new Center.
        /// </summary>
        public static Capsule Sweep(this Sphere sphere, Vector3 newCenter)
        {
            var capsule = new Capsule(sphere.center, newCenter, sphere.radius, sphere.transform);

            // TODO: Add this once Sphere supports overrideMatrix
            //capsule.overrideMatrix = sphere.overrideMatrix;

            return capsule;
        }

    }

}