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adding fps capper

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Kbz-8
2024-01-18 15:25:03 +01:00
parent eeded8c8bc
commit 04db0a7441
8 changed files with 133 additions and 6 deletions
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44
src/core/fps.cpp git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* fps.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/18 14:56:17 by maldavid #+# #+# */
/* Updated: 2024/01/18 15:20:03 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include <core/fps.h>
#include <chrono>
#include <SDL2/SDL.h>
#include <thread>
namespace mlx
{
void FpsManager::init()
{
_timer = SDL_GetTicks64();
_fps_before = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count());
_fps_now = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count());
}
bool FpsManager::update()
{
using namespace std::chrono_literals;
_fps_now = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count());
if(SDL_GetTicks64() - _timer > 1000)
_timer += 1000;
_fps_elapsed_time = _fps_now - _fps_before;
if(_fps_elapsed_time >= _ns)
{
_fps_before += _ns;
return true;
}
std::this_thread::sleep_for(std::chrono::duration<double, std::nano>(_ns));
return false;
}
}