1 files changed, 31 insertions, 0 deletions
diff --git a/mwe/gameloop/include/timer.h b/mwe/gameloop/include/timer.h
new file mode 100644
index 0000000..22383b2
--- /dev/null
+++ b/mwe/gameloop/include/timer.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <SDL2/SDL.h>
+
+class LoopTimer {
+public:
+	static LoopTimer & getInstance();
+	void start();
+	void update();
+	double getDeltaTime() const;
+	int getCurrentTime() const;
+	void advanceFixedUpdate();
+	double getFixedDeltaTime() const;
+	void setFPS(int FPS);
+	int getFPS() const;
+	void enforceFrameRate();
+	double getLag() const;
+
+private:
+	LoopTimer();
+	int FPS = 50;
+	double gameScale = 1;
+	double maximumDeltaTime = 0.25;
+	double deltaTime;
+	double frameTargetTime = FPS / 1000;
+	double fixedDeltaTime = 0.01;
+	double elapsedTime;
+	double elapsedFixedTime;
+	double time;
+	uint64_t lastFrameTime;
+};