colobot/colobot-base/math/const.h

61 lines
1.6 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
/**
* \file math/const.h
* \brief Constants used in math functions
*/
#pragma once
#include <cmath>
// Math module namespace
namespace Math
{
//! Tolerance level -- minimum accepted float value
constexpr float TOLERANCE = 1e-6f;
//! Very small number (used in testing/returning some values)
constexpr float VERY_SMALL_NUM = 1e-6f;
//! Very big number (used in testing/returning some values)
constexpr float VERY_BIG_NUM = 1e6f;
//! Huge number
constexpr float HUGE_NUM = 1.0e+38f;
//! PI
constexpr float PI = 3.14159265358979323846f;
//! Degrees to radians multiplier
constexpr float DEG_TO_RAD = 0.01745329251994329547f;
//! Radians to degrees multiplier
constexpr float RAD_TO_DEG = 57.29577951308232286465f;
//! Natural logarithm of 2
const float LOG_2 = std::log(2.0f);
} // namespace Math