public static ref T GetRef <T>(this Unity.Collections.NativeArray <T> array, int index) where T : struct
{
CheckArray(index, array.Length);
unsafe {
var ptr = array.GetUnsafePtr();
#if UNITY_2020_1_OR_NEWER
return(ref UnsafeUtility.ArrayElementAsRef <T>(ptr, index));
#else
throw new Exception("UnsafeUtility.ArrayElementAsRef");
#endif
}
}
public static ref T GetRef <T>(this Unity.Collections.NativeArray <T> array, int index) where T : struct
{
if (index < 0 || index >= array.Length)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
unsafe {
var ptr = array.GetUnsafePtr();
#if UNITY_2020_1_OR_NEWER
return(ref UnsafeUtility.ArrayElementAsRef <T>(ptr, index));
#else
throw new Exception("UnsafeUtility.ArrayElementAsRef");
#endif
}
}
public static unsafe void Clear <T>(Unity.Collections.NativeArray <T> arr, int index, int length) where T : struct
{
Unity.Collections.LowLevel.Unsafe.UnsafeUtility.MemClear((void *)((System.IntPtr)arr.GetUnsafePtr() + (int)((ulong)UnsafeUtility.SizeOf <T>() * (ulong)index)), (long)((ulong)UnsafeUtility.SizeOf <T>() * (ulong)length));
}
public static unsafe void Clear <T>(Unity.Collections.NativeArray <T> arr) where T : struct
{
Unity.Collections.LowLevel.Unsafe.UnsafeUtility.MemClear(arr.GetUnsafePtr(), UnsafeUtility.SizeOf <T>() * arr.Length);
}