chronometer.cpp

/*
    Chronometer.
    Copyright (C) 2015 Denis BOURGE

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
    USA
*/

#include "hx3d/utils/chronometer.hpp"

namespace hx3d {

Chronometer::Chronometer() : begin(std::chrono::system_clock::now()), end(std::chrono::system_clock::now()) {}

long Chronometer::tick() {
    end = std::chrono::system_clock::now();
    return std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin).count();
}

float Chronometer::tickAsMillis() {
  return tick() / 1000000.f;
}

float Chronometer::tickAsSeconds() {
  return tickAsMillis() / 1000.f;
}

void Chronometer::reset() {
    begin = std::chrono::system_clock::now();
}

} /* hx3d */