DotRecastNetSim/src/DotRecast.Core/ArrayUtils.cs

using System;

namespace DotRecast.Core
{


public static class ArrayUtils
{
    public static T[] CopyOf<T>(T[] source, int startIdx, int length)
    {
        var deatArr = new T[length];
        for (int i = 0; i < length; ++i)
        {
            deatArr[i] = source[startIdx + i];
        }

        return deatArr;
    }

    public static T[] CopyOf<T>(T[] source, int length)
    {
        var deatArr = new T[length];
        var count = Math.Max(0, Math.Min(source.Length, length));
        for (int i = 0; i < count; ++i)
        {
            deatArr[i] = source[i];
        }

        return deatArr;
    }
    
    public static T[][] Of<T>(int len1, int len2)
    {
        var temp = new T[len1][];
        
        for (int i = 0; i < len1; ++i)
        {
            temp[i] = new T[len2];
        }

        return temp;
    } 
}
}