Random.cs

using System;
using System.Security.Cryptography;
using UnityEngine;
public static class Random
{
	private static int _offset = 0;
	private static byte[] _buffer = new byte[1024];
	private static RNGCryptoServiceProvider _random = new RNGCryptoServiceProvider();
	private static void Fill()
	{
		_random.GetBytes(_buffer);
		_offset = 0;
	}
	public static int Next()
	{
		if (_offset >= _buffer.Length)
			Fill();
		var value = BitConverter.ToInt32(_buffer, _offset) & 0x7fffffff;
		_offset += sizeof(int);
		return value;
	}
	public static int Next(int max)
	{
		return Next() % max;
	}
	public static int Next(int min, int max)
	{
		if (max < min)
			throw new ArgumentOutOfRangeException();
		return min + Next(max - min);
	}
	public static int NextEven(int min, int max)
	{
		return Next(min / 2, max / 2) * 2;
	}
	public static int NextOdd(int min, int max)
	{
		return Next(min, max) + 1;
	}
	public static double NextDouble()
	{
		return (double)Next() / int.MaxValue;
	}
	public static double NextDouble(double max)
	{
		return NextDouble() * max;
	}
	public static double NextDouble(double min, double max)
	{
		return min + NextDouble() * (max - min);
	}
	public static bool NextBool()
	{
		return NextDouble() > 0.5;
	}
	public static bool NextPercent(double target)
	{
		return NextDouble() < target;
	}
	public static Color NextColor()
	{
		return new Color((float)NextDouble(), (float)NextDouble(), (float)NextDouble());
	}
}