/* * Copyright (c) 2006-2009 Erin Catto http://www.gphysics.com * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any damages * arising from the use of this software. * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. If you use this software * in a product, an acknowledgment in the product documentation would be * appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ #ifndef B2_TIME_STEP_H #define B2_TIME_STEP_H #include <Box2D/Common/b2Settings.h> /// This is an internal structure. struct b2TimeStep { float32 dt; // time step float32 inv_dt; // inverse time step (0 if dt == 0). float32 dtRatio; // dt * inv_dt0 int32 velocityIterations; int32 positionIterations; bool warmStarting; }; #endif