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// MIT License
// Copyright (c) 2019 Erin Catto
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#ifndef B2_TIME_STEP_H
#define B2_TIME_STEP_H
#include "b2_api.h"
#include "b2_math.h"
/// Profiling data. Times are in milliseconds.
struct B2_API b2Profile
{
float step;
float collide;
float solve;
float solveInit;
float solveVelocity;
float solvePosition;
float broadphase;
float solveTOI;
};
/// This is an internal structure.
struct B2_API b2TimeStep
{
float dt; // time step
float inv_dt; // inverse time step (0 if dt == 0).
float dtRatio; // dt * inv_dt0
int32 velocityIterations;
int32 positionIterations;
bool warmStarting;
};
/// This is an internal structure.
struct B2_API b2Position
{
b2Vec2 c;
float a;
};
/// This is an internal structure.
struct B2_API b2Velocity
{
b2Vec2 v;
float w;
};
/// Solver Data
struct B2_API b2SolverData
{
b2TimeStep step;
b2Position* positions;
b2Velocity* velocities;
};
#endif
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