UniVRM/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RectCloth.cs

using System.Collections.Generic;
using UnityEngine;


namespace RotateParticle.Components
{
    [AddComponentMenu("RotateParticle/RectCloth")]
    [DisallowMultipleComponent]
    public class RectCloth : MonoBehaviour
    {
        [SerializeField]
        public bool LoopIsClosed = false;

        [SerializeField]
        public List<WarpRoot> Warps = new();

        void Reset()
        {
            for (int i = 0; i < transform.childCount; ++i)
            {
                var child = transform.GetChild(i);
                if (child.TryGetComponent<WarpRoot>(out var warp))
                {
                    Warps.Add(warp);
                }
            }
        }

        // public void OnDrawGizmosSelected()
        // {
        //     if (Warps.Count == 0)
        //     {
        //         return;
        //     }

        //     // Gizmos.color = Color.red;
        //     Gizmos.color = new Color(1, 0.5f, 0);
        //     for (int i = 0; i < Warps.Count; ++i)
        //     {
        //         if (i + 1 == Warps.Count)
        //         {
        //             if (LoopIsClosed)
        //             {
        //                 DrawWeft(Warps[i], Warps[0]);
        //             }
        //         }
        //         else
        //         {
        //             DrawWeft(Warps[i], Warps[i + 1]);
        //         }
        //     }
        // }

        // void DrawWeft(WarpR w0, Warp w1)
        // {
        //     if (w0 == null || w1 == null)
        //     {
        //         return;
        //     }

        //     Gizmos.DrawLine(w0.transform.position, w1.transform.position);

        //     for (int i = 0; i < w0.Particles.Count && i < w1.Particles.Count; ++i)
        //     {
        //         var p0 = w0.Particles[i];
        //         var p1 = w1.Particles[i];
        //         if (p0 != null && p0.Transform != null && p1 != null && p1.Transform != null)
        //         {
        //             Gizmos.DrawLine(p0.Transform.position, p1.Transform.position);
        //         }
        //     }
        // }
    }
}