Voxel-Project/Time.cpp at main · Ian-Meadows/Voxel-Project · GitHub

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#include "Time.h"


namespace Time {
	namespace {
		double deltaTime;
		int currentFPS;
		int FPS;

		double currentFrame;
		double lastFrame;

		double currentTime = 0;

		bool debug;
	}

	double GetFPS() {
		return FPS;
	}

	double GetDeltaTime() {
		return deltaTime;
	}

	void Init(bool debug) {
		deltaTime = 0;
		FPS = 0;
		currentFrame = glfwGetTime();
		lastFrame = glfwGetTime();
		Time::debug = debug;
	}

	void Update() {
		lastFrame = currentFrame;
		currentFrame = glfwGetTime();
		deltaTime = currentFrame - lastFrame;

		currentTime += deltaTime;
		if (currentTime >= 1.0) {
			FPS = currentFPS;
			currentFPS = 0;
			if (debug) {
				std::cout << FPS << std::endl;
			}
			currentTime = 0;
		}
		currentFPS++;

	}

	double GetTime()
	{
		return glfwGetTime();
	}
}