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Fixed underflow issue

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Robert Osfield
2017-08-23 15:26:07 +01:00
parent 3b69755117
commit eefeb3bb93
1 changed files with 1 additions and 1 deletions
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include/osg/Timer
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@@ -56,7 +56,7 @@ class OSG_EXPORT Timer {
inline double time_n() const { return delta_n(_startTick, tick()); }
/** Get the time in seconds between timer ticks t1 and t2.*/
inline double delta_s( Timer_t t1, Timer_t t2 ) const { return (double)(t2 - t1)*_secsPerTick; }
inline double delta_s( Timer_t t1, Timer_t t2 ) const { return (t2>t1) ? (double)(t2 - t1)*_secsPerTick : -(double)(t1 - t2)*_secsPerTick; }
/** Get the time in milliseconds between timer ticks t1 and t2.*/
inline double delta_m( Timer_t t1, Timer_t t2 ) const { return delta_s(t1,t2)*1e3; }