50 lines
880 B
C++
50 lines
880 B
C++
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#ifndef SPECTRE_FPS_COUNTER_H
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#define SPECTRE_FPS_COUNTER_H
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#include <Spectre/System/Stopwatch.h>
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// Simple FPS counter.
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namespace sp {
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class FPSCounter
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{
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public :
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FPSCounter();
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// Add a frame to the counter.
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// Should be called whenever a frame has been rendered.
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void addFrame();
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float getFPS() const;
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// Set the update rate (in seconds).
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// How often the FPS should be sampled and calculated.
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void setUpdateRate(unsigned int rate);
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// Update the internal time measurment.
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bool update();
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// Reset the frame time
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void reset();
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private :
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// Number of frames since last update.
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unsigned int m_count;
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// Last time we updated the counter.
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//Time m_time;
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Stopwatch m_watch;
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// Update rate (at what interval should we update)
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Time m_updateRate;
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// Calculated Frames per second.
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float m_fps;
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};
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} // namespace sp
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#endif /* SPECTRE_FPS_COUNTER_H */
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