#include <iostream>
#include <cmath>
-#include "particlesystem.h"
-#include "video/drawing_context.h"
-#include "lisp/parser.h"
-#include "lisp/lisp.h"
-#include "lisp/writer.h"
-#include "resources.h"
-#include "main.h"
+#include "particlesystem.hpp"
+#include "video/drawing_context.hpp"
+#include "lisp/parser.hpp"
+#include "lisp/lisp.hpp"
+#include "lisp/writer.hpp"
+#include "resources.hpp"
+#include "main.hpp"
ParticleSystem::ParticleSystem()
{