// Colorful FX - Unity Asset
// Copyright (c) 2015 - Thomas Hourdel
// http://www.thomashourdel.com

namespace Colorful
{
	using UnityEngine;

	public static class CLib
	{
		public const float PI_2 = Mathf.PI / 2f;
		public const float PI2 = Mathf.PI * 2f;

		public static float Frac(float f)
		{
			return f - Mathf.Floor(f);
		}

		public static bool IsLinearColorSpace()
		{
			return QualitySettings.activeColorSpace == ColorSpace.Linear;
		}

		public static bool Approximately(float source, float about, float range = 0.0001f)
		{
			return ((Mathf.Abs(source - about) < range));
		}
	}
}