UniVRM/Assets/VRM10/Runtime/FastSpringBone/System/UpdateFastSpringBoneJob.cs

using Unity.Collections;
using Unity.Jobs;
using UniVRM10.FastSpringBones.Blittables;

namespace UniVRM10.FastSpringBones.System
{
    public struct UpdateFastSpringBoneJob : IJobParallelFor
    {
        [ReadOnly] public NativeArray<BlittableSpring> Springs;

        [ReadOnly] public NativeArray<BlittableJoint> Joints;
        [NativeDisableParallelForRestriction] public NativeArray<BlittableTransform> Transforms;

        [ReadOnly] public NativeArray<BlittableCollider> Colliders;

        public void Execute(int index)
        {
            var spring = Springs[index];
            var colliderSpan = spring.colliderSpan;
            var jointSpan = spring.logicSpan;

            for (var i = jointSpan.startIndex; i < jointSpan.count; ++i)
            {
                //Joints[i]
            }
        }
    }
}