#include "timer.h"

Clock::Clock() {
	reset();
	running = false;
}

void Clock::reset() {
	base = 0;
	clock.Reset();
}

void Clock::start() {
	running = true;
	clock.Reset();
}

void Clock::stop() {
	if(!running) return;
	running = false;
	base += clock.GetElapsedTime();
}

float Clock::elapsed() const {
	if(running) {
		return base + clock.GetElapsedTime();
	} else {
		return base;
	}
}

Timer::Timer(const Clock& clock_) : clock(clock_) {
	reset();
}

void Timer::reset() {
	starttime = clock.elapsed();
}

float Timer::elapsed() const {
	return clock.elapsed() - starttime;
}