19de148351
git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/trunk@1085 4e206d99-4929-0410-ac5d-dfc041789085
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_RANDOMIZER_HPP
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#define SFML_RANDOMIZER_HPP
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Config.hpp>
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namespace sf
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{
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////////////////////////////////////////////////////////////
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/// Randomizer is an utility class for generating pseudo-random
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/// numbers
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////////////////////////////////////////////////////////////
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class SFML_API Randomizer
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{
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public :
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////////////////////////////////////////////////////////////
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/// Set the seed for the generator. Using a known seed
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/// allows you to reproduce the same sequence of random number
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///
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/// \param Seed : Number to use as the seed
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///
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////////////////////////////////////////////////////////////
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static void SetSeed(unsigned int Seed);
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////////////////////////////////////////////////////////////
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/// Get the seed used to generate random numbers the generator.
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///
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/// \return Current seed
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///
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////////////////////////////////////////////////////////////
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static unsigned int GetSeed();
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////////////////////////////////////////////////////////////
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/// Get a random float number in a given range
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///
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/// \return Start : Start of the range
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/// \return End : End of the range
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///
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/// \return Random number in [Begin, End]
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///
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////////////////////////////////////////////////////////////
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static float Random(float Begin, float End);
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////////////////////////////////////////////////////////////
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/// Get a random integer number in a given range
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///
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/// \return Start : Start of the range
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/// \return End : End of the range
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///
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/// \return Random number in [Begin, End]
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///
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////////////////////////////////////////////////////////////
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static int Random(int Begin, int End);
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private :
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////////////////////////////////////////////////////////////
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// Static member variables
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////////////////////////////////////////////////////////////
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static unsigned int ourSeed;
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};
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} // namespace sf
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#endif // SFML_RANDOMIZER_HPP
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