Hi,
I don't think you should call _geom->setUseVertexBufferObjects(true);
here. I bet the flt plugin is setting this on creation time. If you have a
use case code you can share and the model it will help more for me to see
what is going on
On Fri, Sep 20, 2019 at 10:19 AM Dae Woo Ryu <osgfo...@tevs.eu> wrote:
> hi NICK.
> Thank you for your reply.
>
> I did what you tried and nothing changed.
> Can you tell me another way?
>
> Here is the code I did.
>
> Code:
>
> virtual void operator()(osg::Node*, osg::NodeVisitor* nv)
> {
> if (nv->getFrameStamp())
> {
> if (_coord)
> {
> for (unsigned int u = 0; u < _coord->size(); u++)
> {
> _coord->at(u).x() += 0.6f;
> _coord->at(u).y() += 0.6f;
> _coord->dirty();
> }
> _geom->setUseVertexBufferObjects(true);
> _coord->getBufferObject()->dirty();
> }
> }
> }
>
>
>
>
>
>
> Trajce Nikolov NICK wrote:
> >
> > You may need to call _coord->getBufferObject()->dirty() and do it
> outside of the for loop
> >
> > On Wed, Sep 18, 2019, 02:34 Dae Woo Ryu < ()> wrote:
> >
> >
> > > hi Laurens.
> > > Thank you for the your reply.
> > >
> > > I've tried adding dirty() and it still doesn't work.
> > >
> > > Code:
> > >
> > > virtual void operator()(osg::Node*, osg::NodeVisitor* nv)
> > > {
> > > if (nv->getFrameStamp())
> > > {
> > > _coord =
> dynamic_cast<osg::Vec2Array*>(_geom->getTexCoordArray(0));
> > >
> > > if (_coord)
> > > {
> > > for (unsigned int u = 0; u < _coord->size();
> u++)
> > > {
> > > _coord->at(u).x() += 0.01f;
> > > _coord->at(u).y() += 0.01f;
> > > _coord->dirty();
> > > _geom->dirtyDisplayList();
> > > }
> > > }
> > > }
> > > }
> > >
> > >
> > >
> > > What should I do more?
> > >
> > >
> > > Voerman, L. wrote:
> > >
> > > > Hi Dae,add _coord->dirty()
> > > > after modification.
> > > > Laurens.
> > > >
> > > >
> > > >
> > > >
> > > > On Tue, Sep 17, 2019 at 3:16 AM Dae Woo Ryu < ()> wrote:
> > > >
> > > >
> > > >
> > > > > Hi,
> > > > >
> > > > > As shown in the code below,
> > > > > I get the geometry information from the model of Openflight(.flt)
> format and move the coordinates of the vertices.
> > > > > But the texture doesn't move.
> > > > > How can I move a texture?
> > > > >
> > > > > **main**
> > > > >
> > > > >
> > > > > Code:
> > > > >
> > > > > ...
> > > > > osg::ref_ptr<osg::Node> model =
> osgDB::readNodeFile("test/env_cloud.flt");
> > > > >
> > > > > coneUpdateVisitor coneV;
> > > > > model->accept(coneV);
> > > > >
> > > > > scene->addChild(model);
> > > > > ...
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > **visitor**
> > > > >
> > > > > Code:
> > > > >
> > > > >
> > > > > class coneUpdateVisitor : public osg::NodeVisitor
> > > > > {
> > > > > ...
> > > > >
> > > > > void apply(osg::Geode& geode)
> > > > > {
> > > > > for (unsigned int i = 0; i<geode.getNumDrawables(); ++i)
> > > > > {
> > > > > scene->setUpdateCallback(new
> coneUpdateCallback(geode.getDrawable(i)->asGeometry()));
> > > > > }
> > > > > }
> > > > > }
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > **callback**
> > > > >
> > > > >
> > > > > Code:
> > > > >
> > > > > class coneUpdateCallback : public osg::NodeCallback
> > > > > {
> > > > > ...
> > > > > _geom->setUseDisplayList(false);
> > > > > ...
> > > > >
> > > > > virtual void operator()(osg::Node*, osg::NodeVisitor* nv)
> > > > > {
> > > > > if (nv->getFrameStamp())
> > > > > {
> > > > > _coord =
> dynamic_cast<osg::Vec2Array*>(_geom->getTexCoordArray(0));
> > > > >
> > > > > for (unsigned int u = 0; u < _coord->size(); u++)
> > > > > {
> > > > > _coord->at(u).x() += 0.01f;
> > > > > }
> > > > >
> > > > > }
> > > > > }
> > > > > }
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Thank you!
> > > > >
> > > > > Cheers,
> > > > > Dae
> > > > >
> > > > > ------------------
> > > > > Read this topic online here:
> > > > > http://forum.openscenegraph.org/viewtopic.php?p=76684#76684 (
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> http://forum.openscenegraph.org/viewtopic.php?p=76684#76684 (
> http://forum.openscenegraph.org/viewtopic.php?p=76684#76684))
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
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> > > > >
> > > >
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--
trajce nikolov nick
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