mirror of
https://github.com/bulletphysics/bullet3
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46 lines
880 B
C++
46 lines
880 B
C++
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/*
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High precision clocks.
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*/
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class Clock
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{
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double start ;
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double now ;
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double delta ;
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double last_time ;
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double max_delta ;
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#ifdef GPUP_WIN32
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static double res ;
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static int perf_timer ;
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void initPerformanceTimer () ;
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#endif
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double getRawTime () const ;
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public:
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Clock () { reset () ; }
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void reset ()
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{
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#ifdef GPUP_WIN32
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initPerformanceTimer () ;
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#endif
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start = getRawTime () ;
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now = 0.0 ;
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max_delta = 0.2 ;
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delta = 0.0000001 ; /* Faked so stoopid programs won't div0 */
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last_time = 0.0 ;
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}
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void setMaxDelta ( double maxDelta ) { max_delta = maxDelta ; }
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double getMaxDelta () const { return max_delta ; }
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void update () ;
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double getAbsTime () const { return now ; }
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double getDeltaTime () const { return delta ; }
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double getFrameRate () const { return 1.0 / delta ; }
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} ;
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