MetacityTemplate/Assets/VRM/VRM10/Runtime/IO/ArrayExtensions.cs

using System;
using UnityEngine;

namespace UniVRM10
{
    public static class ArrayExtensions
    {
        public static Vector3 ToVector3(this float[] src, Vector3 defaultValue = default)
        {
            if (src.Length != 3) return defaultValue;

            var v = new Vector3();
            v.x = src[0];
            v.y = src[1];
            v.z = src[2];
            return v;
        }

        public static Quaternion ToQuaternion(this float[] src)
        {
            if (src.Length != 4) return Quaternion.identity;

            var v = new Quaternion(src[0], src[1], src[2], src[3]);
            return v;
        }

        public static T Get<T>(this ArraySegment<T> self, int i)
        {
            var index = self.Offset + i;
            return self.Array[index];
        }
    }
}