FGFS-4.1/OpenSceneGraph
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Added AnimationCompletedCallback, s/getTimeScale and s/getTimeOffset() method to enable finer control of AnimationPathManipulator.

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This commit is contained in:
Robert Osfield
2010-12-14 20:07:00 +00:00
parent 65f95fe3fe
commit 3580108b3a
2 changed files with 39 additions and 20 deletions
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41
src/osgGA/AnimationPathManipulator.cpp
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@@ -24,8 +24,8 @@ AnimationPathManipulator::AnimationPathManipulator( const std::string& filename
_animationPath = new osg::AnimationPath;
_animationPath->setLoopMode(osg::AnimationPath::LOOP);
_timeOffset = 0.0f;
_timeScale = 1.0f;
_timeOffset = 0.0;
_timeScale = 1.0;
_isPaused = false;
@@ -85,7 +85,6 @@ bool AnimationPathManipulator::handle(const osgGA::GUIEventAdapter& ea,osgGA::GU
if (ea.getKey()==' ')
{
_isPaused = false;
_timeScale = 1.0;
home(ea,us);
us.requestRedraw();
@@ -149,45 +148,47 @@ void AnimationPathManipulator::getUsage(osg::ApplicationUsage& usage) const
{
usage.addKeyboardMouseBinding("AnimationPath: Space","Reset the viewing position to start of animation");
usage.addKeyboardMouseBinding("AnimationPath: p","Pause/resume animation.");
usage.addKeyboardMouseBinding("AnimationPath: <","Slow down animation speed.");
usage.addKeyboardMouseBinding("AnimationPath: <","Speed up animation speed.");
usage.addKeyboardMouseBinding("AnimationPath: (","Slow down animation speed.");
usage.addKeyboardMouseBinding("AnimationPath: )","Speed up animation speed.");
}
void AnimationPathManipulator::handleFrame( double time )
{
osg::AnimationPath::ControlPoint cp;
double animTime = (time+_timeOffset)*_timeScale;
_animationPath->getInterpolatedControlPoint( animTime, cp );
if (_numOfFramesSinceStartOfTimedPeriod==-1)
{
{
_realStartOfTimedPeriod = time;
_animStartOfTimedPeriod = animTime;
}
++_numOfFramesSinceStartOfTimedPeriod;
if (_printOutTimingInfo)
double animDelta = (animTime-_animStartOfTimedPeriod);
if (animDelta>=_animationPath->getPeriod())
{
double animDelta = (animTime-_animStartOfTimedPeriod);
if (animDelta>=_animationPath->getPeriod())
if (_animationCompletedCallback.valid())
{
_animationCompletedCallback->completed(this);
}
if (_printOutTimingInfo)
{
double delta = time-_realStartOfTimedPeriod;
double frameRate = (double)_numOfFramesSinceStartOfTimedPeriod/delta;
OSG_NOTICE <<"AnimatonPath completed in "<<delta<<" seconds, completing "<<_numOfFramesSinceStartOfTimedPeriod<<" frames,"<<std::endl;
OSG_NOTICE <<" average frame rate = "<<frameRate<<std::endl;
// reset counters for next loop.
_realStartOfTimedPeriod = time;
_animStartOfTimedPeriod = animTime;
_numOfFramesSinceStartOfTimedPeriod = 0;
}
// reset counters for next loop.
_realStartOfTimedPeriod = time;
_animStartOfTimedPeriod = animTime;
_numOfFramesSinceStartOfTimedPeriod = 0;
}
cp.getMatrix( _matrix );
}