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Fixed bug identified by Kevin. If pollrate is larger than elapsedtime, we'd wrap, and joystick would never get polled

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1710 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2014-10-12 06:21:32 +00:00
parent 635ca451cb
commit 2e45756a33
1 changed files with 5 additions and 4 deletions
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9
freeglut/freeglut/src/fg_callbacks.c
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@ -247,11 +247,12 @@ void FGAPIENTRY glutJoystickFunc( FGCBJoystick callback, int pollInterval )
SET_CALLBACK( Joystick ); SET_CALLBACK( Joystick );
fgStructure.CurrentWindow->State.JoystickPollRate = pollInterval; fgStructure.CurrentWindow->State.JoystickPollRate = pollInterval;
fgStructure.CurrentWindow->State.JoystickLastPoll = /* set last poll time such that joystick will be polled asap */
fgElapsedTime() - fgStructure.CurrentWindow->State.JoystickPollRate; fgStructure.CurrentWindow->State.JoystickLastPoll = fgElapsedTime();
if (fgStructure.CurrentWindow->State.JoystickLastPoll < pollInterval)
if( fgStructure.CurrentWindow->State.JoystickLastPoll < 0 )
fgStructure.CurrentWindow->State.JoystickLastPoll = 0; fgStructure.CurrentWindow->State.JoystickLastPoll = 0;
else
fgStructure.CurrentWindow->State.JoystickLastPoll -= pollInterval;
} }