StepConf.cpp
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1 /*
2  * Original work Copyright (c) 2006-2011 Erin Catto http://www.box2d.org
3  * Modified work Copyright (c) 2017 Louis Langholtz https://github.com/louis-langholtz/PlayRho
4  *
5  * This software is provided 'as-is', without any express or implied
6  * warranty. In no event will the authors be held liable for any damages
7  * arising from the use of this software.
8  *
9  * Permission is granted to anyone to use this software for any purpose,
10  * including commercial applications, and to alter it and redistribute it
11  * freely, subject to the following restrictions:
12  *
13  * 1. The origin of this software must not be misrepresented; you must not
14  * claim that you wrote the original software. If you use this software
15  * in a product, an acknowledgment in the product documentation would be
16  * appreciated but is not required.
17  * 2. Altered source versions must be plainly marked as such, and must not be
18  * misrepresented as being the original software.
19  * 3. This notice may not be removed or altered from any source distribution.
20  */
21 
22 #include <PlayRho/Dynamics/StepConf.hpp>
23 #include <PlayRho/Common/Math.hpp>
24 
25 namespace playrho {
26 
27 bool IsMaxTranslationWithinTolerance(const StepConf& conf) noexcept
28 {
29  const auto delta = Real{1} - nextafter(Real{1}, Real{0});
30  return (conf.maxTranslation * delta) < Length{conf.tolerance};
31 }
32 
33 } // namespace playrho