unsafeでNativeArrayの要素に直接アクセスする

RefTest.cs

using Unity.Collections;
using Unity.Collections.LowLevel.Unsafe;
using UnityEngine;

public sealed class RefTest : MonoBehaviour
{
    struct Data
    {
        public float value;
    }

    unsafe void Start ()
    {
        NativeArray<Data> array = new NativeArray<Data>(10, Allocator.Temp);

        var ptr = (Data*)array.GetUnsafePtr();
        for(int i=0; i<10; i++)
        {
            Do(ptr + i);
        }

        foreach( var element in array)
        {
            Debug.LogFormat("{0:00}, {1:00.0}", element.value);
        }

        array.Dispose();
    }

    unsafe void Do(Data* p)
    {
        p->value = Random.Range(0f, 10f);
    }
}