OpenWalnut  1.4.0
WGEAnimationFrameTimer.h
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3 // Project: OpenWalnut ( http://www.openwalnut.org )
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24 
25 #ifndef WGEANIMATIONFRAMETIMER_H
26 #define WGEANIMATIONFRAMETIMER_H
27 
28 #include <boost/shared_ptr.hpp>
29 
30 #include "../../common/WTimer.h"
31 
32 
33 
34 /**
35  * Frame-based animation timing.
36  */
38 {
39 public:
40  /**
41  * Convenience typedef for a shared_ptr
42  */
43  typedef boost::shared_ptr< WGEAnimationFrameTimer > SPtr;
44 
45  /**
46  * Convenience typedef for a const shared_ptr.
47  */
48  typedef boost::shared_ptr< const WGEAnimationFrameTimer > ConstSPtr;
49 
50  /**
51  * Constructs a frame based animation timer. The specified number of frames is used to convert the number of frames to a time.
52  *
53  * \param framesPerSecond frames per second.
54  */
55  explicit WGEAnimationFrameTimer( float framesPerSecond = 24.0 );
56 
57  /**
58  * Destructor.
59  */
60  virtual ~WGEAnimationFrameTimer();
61 
62  /**
63  * Resets the start-tick.
64  */
65  virtual void reset();
66 
67  /**
68  * Returns the elapsed time since the last reset in seconds with milliseconds precision.
69  *
70  * \return elapsed time in seconds with millisecond precision.
71  */
72  virtual double elapsed() const;
73 
74  /**
75  * Increments frame count.
76  */
77  virtual void tick();
78 
79 private:
80  /**
81  * The current tick value.
82  */
83  size_t m_tick;
84 
85  /**
86  * The number of frames per second.
87  */
89 };
90 
91 #endif // WGEANIMATIONFRAMETIMER_H
virtual double elapsed() const
Returns the elapsed time since the last reset in seconds with milliseconds precision.
Frame-based animation timing.
double m_framesPerSecond
The number of frames per second.
boost::shared_ptr< WGEAnimationFrameTimer > SPtr
Convenience typedef for a shared_ptr.
virtual void reset()
Resets the start-tick.
WGEAnimationFrameTimer(float framesPerSecond=24.0)
Constructs a frame based animation timer.
boost::shared_ptr< const WGEAnimationFrameTimer > ConstSPtr
Convenience typedef for a const shared_ptr.
Base class for timing.
Definition: WTimer.h:35
virtual ~WGEAnimationFrameTimer()
Destructor.
virtual void tick()
Increments frame count.
size_t m_tick
The current tick value.