void PandaDocument::rewind()
{
m_animTimeVal = 0.0;
m_animTime.setValue(0.0);
for(auto object : m_objectsList->get())
object->reset();
setDirtyValue(this);
m_signals->timeChanged.run();
}
void TransformPlaneConstraint::init()
{
addInput(&d_planes);
addInput(&d_rotation);
addInput(&d_translation);
addInput(&d_scale);
addOutput(&d_outPlanes);
setDirtyValue();
}
void PandaDocument::step()
{
m_stepQueued = false;
if (m_stepCanceled) // The user clicked stop after a step has been queued
{
m_stepCanceled = false;
return;
}
auto startTime = std::chrono::high_resolution_clock::now();
panda::helper::UpdateLogger::getInstance()->startLog(this);
setInStep(true);
// Force the value of isInStep, because some objects will propagate dirtyValue during beginStep
for(auto& object : m_objectsList->get())
object->setInStep(true);
updateDocumentData();
setDirtyValue(this);
updateIfDirty();
setInStep(false);
for(auto& object : m_objectsList->get())
object->endStep();
panda::helper::UpdateLogger::getInstance()->stopLog();
m_signals->timeChanged.run();
for (auto obj : m_dirtyObjects)
m_signals->dirtyObject.run(obj);
m_dirtyObjects.clear();
m_signals->modified.run();
if (m_animPlaying)
{
m_stepQueued = true; // We want another step
if (m_useTimer.getValue()) // Restart the timer taking into consideration the time it took to render this frame
{
auto endTime = std::chrono::high_resolution_clock::now();
auto frameDuration = std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime);
double delay = m_timestep.getValue() - frameDuration.count() / 1000.0 - 0.001; // How long do we wait until we start the next step ?
TimedFunctions::cancelRun(m_animFunctionIndex); // Remove previous
m_animFunctionIndex = TimedFunctions::delayRun(delay, [this]() { // Ask for the delayed execution of step()
m_gui.executeByUI([this]() { step(); }); // But we want step() to be run on the GUI thread
});
}
else
m_gui.executeByUI([this]() { step(); }); // Run ASAP on the GUI thread
}
++m_iNbFrames;
auto now = currentTime();
float elapsedDur = static_cast<float>(toSeconds(now - m_fpsTime));
if(m_animPlaying && elapsedDur > 1.0)
{
m_currentFPS = m_iNbFrames / elapsedDur;
m_fpsTime = now;
m_iNbFrames = 0;
}
}
void DDGNode::addInput(DDGNode* n)
{
doAddInput(n);
n->doAddOutput(this);
setDirtyValue();
}
void beginStep()
{
PandaObject::beginStep();
setDirtyValue(this);
}