Initial commit

include/Spectre/Game/FPSCounter.h

@@ -0,0 +1,43 @@
+
+#ifndef SPECTRE_FPS_COUNTER_H
+#define SPECTRE_FPS_COUNTER_H
+
+// Simple FPS counter.
+
+class FPSCounter
+{
+public :
+	FPSCounter();
+
+	// Add a frame to the counter. 
+	// Should be called whenever a frame has been rendered.
+	void addFrame();
+
+	float getFPS() const;
+
+	// Set the update rate (in seconds).
+	// How often the FPS should be sampled and calculated.
+	void setUpdateRate(unsigned int seconds);
+
+	// Update the internal time measurment.
+	bool update();
+
+	// Reset the frame time
+	void reset();
+
+private :
+
+	// Frame counter.
+	unsigned int m_count;
+	
+	// time (in ms)
+	unsigned int m_time;
+
+	// Update rate (in ms)
+	unsigned int m_updateRate;
+
+	// Calculated fps.
+	float m_fps;
+};
+
+#endif /* SPECTRE_FPS_COUNTER_H */