40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
#include <osgParticle/ParticleSystemUpdater>
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#include <osg/CopyOp>
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#include <osg/Node>
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using namespace osg;
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osgParticle::ParticleSystemUpdater::ParticleSystemUpdater()
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: osg::Node(), t0_(-1)
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{
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setCullingActive(false);
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}
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osgParticle::ParticleSystemUpdater::ParticleSystemUpdater(const ParticleSystemUpdater ©, const osg::CopyOp ©op)
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: osg::Node(copy, copyop), t0_(copy.t0_)
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{
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ParticleSystem_Vector::const_iterator i;
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for (i=copy.psv_.begin(); i!=copy.psv_.end(); ++i) {
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psv_.push_back(static_cast<ParticleSystem *>(copyop(i->get())));
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}
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}
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void osgParticle::ParticleSystemUpdater::traverse(osg::NodeVisitor &nv)
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{
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osgUtil::CullVisitor *cv = dynamic_cast<osgUtil::CullVisitor *>(&nv);
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if (cv) {
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double t = nv.getFrameStamp()->getReferenceTime();
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if (t0_ != -1) {
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ParticleSystem_Vector::iterator i;
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for (i=psv_.begin(); i!=psv_.end(); ++i) {
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if (!i->get()->isFrozen() && (i->get()->getLastFrameNumber() >= (nv.getFrameStamp()->getFrameNumber() - 1) || !i->get()->getFreezeOnCull())) {
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i->get()->update(t - t0_);
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}
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}
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}
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t0_ = t;
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}
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Node::traverse(nv);
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}
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