UniVRM/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/RotateParticleSpringboneRuntime.cs

using System.Threading.Tasks;
using RotateParticle.Components;
using UniGLTF;
using UniGLTF.SpringBoneJobs.Blittables;
using UnityEngine;
using UniVRM10;


namespace RotateParticle
{
    public class RotateParticleSpringboneRuntime : IVrm10SpringBoneRuntime
    {
        RotateParticleSystem _system;

        public void Dispose()
        {
        }

        public async Task InitializeAsync(Vrm10Instance instance, IAwaitCaller awaitCaller)
        {
            var animator = instance.GetComponent<Animator>();
            if (animator == null)
            {
                Debug.LogWarning("no animator");
                return;
            }

            var avatar = animator.avatar;
            if (!avatar.isHuman)
            {
                Debug.LogWarning("not humanoid");
                return;
            }

            _system = new RotateParticleSystem();
            _system.Env.DragForce = 0.6f;
            _system.Env.Stiffness = 0.07f;

            foreach (var warp in instance.GetComponentsInChildren<Warp>())
            {
                _system._warps.Add(warp);

                await awaitCaller.NextFrame();
            }

            _system.Initialize();
        }

        public void Process()
        {
            _system.Process(Time.deltaTime);
        }

        public bool ReconstructSpringBone()
        {
            return false;
        }

        public void RestoreInitialTransform()
        {
        }

        public void SetJointLevel(Transform joint, BlittableJointMutable jointSettings)
        {
        }

        public void SetModelLevel(Transform modelRoot, BlittableModelLevel modelSettings)
        {
        }

        public void DrawGizmos()
        {
        }
    }
}