#include "timer.h"

Timer::Timer(): t0 {0} {}

void Timer::start(){
    t0 = SDL_GetTicks();
}
unsigned int Timer::elapsed(){
    return SDL_GetTicks() - t0;
}
void Timer::restart(){
    start();
}
void Timer::wait(unsigned int millis){
    SDL_Delay(millis);
}
void Timer::waitUntil(unsigned int millis){
    wait( millis - elapsed() );
}