/*
* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
*
* Bullet Continuous Collision Detection and Physics Library
* Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.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.
*/
package com.bulletphysics.linearmath;
/**
* Clock is a portable basic clock that measures accurate time in seconds, use for profiling.
*
* @author jezek2
*/
public class Clock {
private long startTime;
/**
* Creates a new clock and resets it.
*/
public Clock() {
reset();
}
/**
* Resets clock by setting start time to current.
*/
public void reset() {
startTime = nanoTime();
}
/**
* Returns the time in milliseconds since the last call to reset or since the Clock was created.
*/
public long getTimeMilliseconds() {
return (nanoTime() - startTime) / 1000000L;
}
/**
* Returns the time in microseconds since the last call to reset or since the Clock was created.
*/
public long getTimeMicroseconds() {
return (nanoTime() - startTime) / 1000L;
}
public static long nanoTime() {
return System.currentTimeMillis() * 1000000L;
}
}