Re: [osg-users] fbx animation
Hi, I know this an old post but i took your code Tomhog and turned it into a small application with TinyXml that makes it a bit easier to setup and bake multiple animation into an osgb file. Hope it helps someone! https://github.com/CheezeCoder/OSGStuff[/url] -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=61655#61655 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Nice one. My plan at some point is to integrate this into an all singing all dancing middlware tool to prep files for use in OSG (one day anyway), but nice to have it somewhere being used and hopefully iron out any bugs in it. Seem to remember the main problem at the moment is if you don't have a key per frame and one of your new frames lands between keys the easing curves won't be correct on that frame. Cheers Tom -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=61658#61658 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
tomhog wrote: Hi how I can stop an animation? Cheers Tom -- Post generated by Mail2Forum -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38444#38444 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Hi, this is the code that i'm using:
#include osg/Node
#include osg/MatrixTransform
#include osg/Group
#include osg/Timer
#include osgGA/TrackBallManipulator
#include osgDB/ReadFile
#include osgDB/WriteFile
#include osgViewer/Viewer
#include iostream
#include osgViewer/ViewerEventHandlers
#include osgAnimation/BasicAnimationManager
using namespace std;
static osg::Timer_t old_tick,new_tick;
int bandera=0;
static double delta;
class tankControll: public osgGA::GUIEventHandler{
public:
tankControll(){
acc=0;
};
virtual bool handle(const osgGA::GUIEventAdapter
ea,osgGA::GUIActionAdapter aa){
if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN
(ea.getKey()=='q' || ea.getKey()=='Q')){
bandera=0;
bandera=1;
return true;
}else if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN
(ea.getKey()=='w' || ea.getKey()=='W')){
bandera=0;
bandera=2;
return true;
}else if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN
(ea.getKey()=='e' || ea.getKey()=='E')){
bandera=0;
bandera=3;
return true;
}else if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN
(ea.getKey()=='a' || ea.getKey()=='A')){
bandera=0;
bandera=4;
return true;
}else if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN
(ea.getKey()=='s' || ea.getKey()=='S')){
bandera=0;
bandera=5;
return true;
}else if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN
(ea.getKey()=='d' || ea.getKey()=='D')){
bandera=0;
bandera=6;
return true;
}else{
return false;
}
}
private:
int acc;
};
struct AnimationManagerFinder : public osg::NodeVisitor
{
osg::ref_ptrosgAnimation::BasicAnimationManager _am;
AnimationManagerFinder()
{setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN); }
void apply(osg::Node node) {
if (_am.valid())
return;
if (node.getUpdateCallback()) {
_am =
dynamic_castosgAnimation::BasicAnimationManager*(node.getUpdateCallback());
return;
}
traverse(node);
}
};
int main()
{
osg::ref_ptrosg::Node escena = osgDB::readNodeFile(Lerpz.osgb);
if (!escena){
coutI´m not readingendl;
//exit(0);
}
AnimationManagerFinder finder;
escena-accept(finder);
const osgAnimation::AnimationList animations =
finder._am-getAnimationList();
tankControll *eh=new tankControll();
osgViewer::Viewer visor;
visor.setSceneData(escena);
visor.addEventHandler(eh);
/*if(bandera==1)
finder._am-playAnimation( animations[1].get() );
else if(bandera==2)
finder._am-playAnimation( animations[2].get() );
else if(bandera==3)
finder._am-playAnimation( animations[3].get() );*/
visor.setCameraManipulator(new osgGA::TrackballManipulator);
visor.realize();
while ( !visor.done()){
//while (bandera!=6){
if (bandera==1)
finder._am-playAnimation( animations[1].get() );
else
if (bandera==2)
finder._am-playAnimation( animations[2].get() );
else
if (bandera==3)
finder._am-playAnimation( animations[3].get() );
else
printf(%i,bandera);
visor.frame();
}
return visor.run();
}
the problem is the follow: when i press the w after the q, or e, it seems that
animations are one over the other, why it happens?
...
Thank you!
Cheers,
Josue
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Re: [osg-users] fbx animation
well, with this file you can see the animation of your .fbx, -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38260#38260 Attachments: http://forum.openscenegraph.org//files/animacionfbx_575.cpp ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
thank you, now i can separate the animations, but when i change the destinationFile in .fbx file, the animation were not created. why? -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38264#38264 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Hi There is no write functionality for the fbx plugin, this is why you need to use .osgb. Once converted there is no difference to using fbx other then you can't re open it in 3ds max etc. Cheers Tom ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
i understend, but how i can change that?, because i need do this but the file should remain as .fbx -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38272#38272 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
ok, now i have osg 2.9.11 and no longer mark error, but where i can specific my .fbx file?, i try to find it, but I could not -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38204#38204 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
I've made a model in 3Ds Max 2011 and animated it. After seeking help I was told to re-export the model, cooking the animations into the .fbx file. My problem now is that I don't know how to access the animations within Visual Studio/XNA in order to play them as my character walks/runs.. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38209#38209 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Hi I beleive osgDB/XmlPaser is part of osg 2.9.x and higher, the argument passed to the spliter class is an xml file, but for some reason this forum blocks them. Here is the content of the splitConfig.xml file I use. ?xml version=1.0 encoding=ISO-8859-15? OsgAnimationTools sourceFile='./Data/BookModel/bookPage.FBX' destinationFile='./Data/BookModel/bookPage.osgb' fps='30' AnimationSplit sourceAnimation='Take 001' NewAnimation name='IdleClosed' startFrame='0' endFrame='1'/ NewAnimation name='AnimateOpen' startFrame='2' endFrame='30'/ NewAnimation name='IdleRightOpen' startFrame='31' endFrame='34'/ NewAnimation name='RightPageTurn' startFrame='36' endFrame='49'/ NewAnimation name='IdleLeftOpen' startFrame='50' endFrame='53'/ NewAnimation name='LeftPageTurn' startFrame='55' endFrame='70'/ NewAnimation name='AnimateClosed' startFrame='71' endFrame='104'/ /AnimationSplit /OsgAnimationTools Hope that helps Tom -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38173#38173 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
thank you so much for this, but now i have a problem: how I can get the library osgDB/XmlParser? another custion: the argument of AnimationSplitter is my .fbx or is something else? -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38166#38166 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
good, now i can see my .fbx with animations, but now: how can i separate the different animations the model? -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38077#38077 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Hi Josue
how can i separate the different animations the model?
When you say seperate animations I assume you mean split one long animation
into multiple sub animations. I've written a little tool to help with this.
I've attached the source and an example config.
You can use the config file to specify the input and output file, then
specify sub animations using start and end frames.
It works in most cases, it does however trip over occasionally, the best bet
is to ensure you have a key per frame. If your using 3D Studio you can
collapse trajectories to do this for you. This does create bigger files
though so I plan to improve it at some points
Cheers
Tom
//
//Simple animation split util, will load an xml config file from ./splitConfig.xml and
//use it to specify a source file, output/destination file and a set of new split animations
//key use of this tool is to split one long animatiob from 3ds max into multiple 'takes'
//
#include osgDB/ReadFile
#include osgDB/WriteFile
#include osgDB/FileUtils
#include osgDB/FileNameUtils
#include osgDB/XmlParser
#include osgAnimation/BasicAnimationManager
#include osgAnimation/AnimationManagerBase
//
//finds and returns the fist AnimationManagerBase in the subgraph
struct AnimationManagerFinder : public osg::NodeVisitor
{
osg::ref_ptrosgAnimation::BasicAnimationManager _am;
AnimationManagerFinder() : osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
void apply(osg::Node node) {
if (_am.valid())
return;
if (node.getUpdateCallback()) {
osgAnimation::AnimationManagerBase* b = dynamic_castosgAnimation::AnimationManagerBase*(node.getUpdateCallback());
if (b) {
_am = new osgAnimation::BasicAnimationManager(*b);
node.setUpdateCallback(_am.get());
return;
}
}
traverse(node);
}
};
//
//Finds an Animation by name, returning a pointer to the animation
//and a pointer to the manager it was found in
struct FindOsgAnimationByName : public osg::NodeVisitor
{
//the name of the source animation we are looking for
std::string _sourceAnimationName;
//used to return the animation and the manager it was stored in
osgAnimation::Animation* p_ani;
osgAnimation::AnimationManagerBase* p_manager;
FindOsgAnimationByName(std::string sourceAnimationName)
: osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
p_ani(NULL),
p_manager(NULL),
_sourceAnimationName(sourceAnimationName)
{
}
void apply(osg::Node node) {
if (node.getUpdateCallback()) {
osgAnimation::AnimationManagerBase* b = dynamic_castosgAnimation::AnimationManagerBase*(node.getUpdateCallback());
if (b) {
//we have found a valid osgAnimation manager, now look for the single long animation inside with the desired name
osgAnimation::AnimationList aniList = b-getAnimationList();
for(unsigned int i=0; ianiList.size(); i++){
if(aniList[i]-getName() == _sourceAnimationName){
p_manager = b;
p_ani = aniList[i].get();
return;
}
}
}
}
traverse(node);
}
};
class AnimationUtils
{
public:
//returns the index of the keyframe closest to the passed time
//returns -1 if the time is out of range of the key container
template typename ContainerType
static int GetNearestKeyFrameIndex(ContainerType* keyContainer, double time)
{
if(!keyContainer){return -1;}
int closestFrame = -1;
double closestDiff = 9.99f;
//loop all the keys
for(unsigned int i=0; ikeyContainer-size(); i++)
{
double diff = fabs(time - (*keyContainer)[i].getTime());
if( diff closestDiff){
closestFrame = i;
closestDiff = diff;
}
}
return closestFrame;
}
Helper method for resampling channels
template typename ChannelType, typename ContainerType
static osg::ref_ptrChannelType ResampleChannel(ChannelType* sourceChannel, unsigned int startFrame, unsigned int endFrame, int fps)
{
osg::ref_ptrChannelType newChannel = NULL;
if(!sourceChannel){
return newChannel;
}
//get the key frame container from the source channel
ContainerType* sourceKeyCont = sourceChannel-getSamplerTyped()-getKeyframeContainerTyped();
if (sourceKeyCont)
{
OSG_INFO OsgAnimationTools ResampleChannel INFO: Resampling source channel ' sourceChannel-getName()
', from startFrame ' startFrame ' to endFrame ' endFrame . Total frames in source channel ' sourceKeyCont-size() '. std::endl;
//determine the copy direction, i.e. lets see if we can copy frames in reverse as could come in handy
unsigned int from=startFrame;
unsigned int to=endFrame;
if(startFrame endFrame){
from = endFrame;
to = startFrame;
}
//get our frames as a times
double fromTime = from == 0 ? 0.0f : (float)from/(float)fps;
double toTime = to == 0 ? 0.0f : (float)to/(float)fps;
//needs to be if time is too big
float firstTime = (*sourceKeyCont)[0].getTime();
float lastTime =
Re: [osg-users] fbx animation
ok, but what means an in the follow line?: finder._am-playAnimation( animations[an].get() ); and where i can see how can i do this: Finally, you can do what ever you want: play the animation on the osgViewer, get the Duration, the StartTime, the Name of the animation... specify the PlayMode.. PD the fbx load ok PD2: sorry if my english is not good -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=37887#37887 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
forget what i say about the an jeje -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=37888#37888 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Hi Josue Morad,
Here is a newbie explanation :
- First time, you need to know that the *osgDB *library provides access
to a lot of 2D and 3D files ( like .fbx ), by managing several *osg *
plugins.
- You intend to use an fbx file, so you need to check if the plugin FBX
reader/writer is correctly installed.
- In second, the following snippet enable to load the scene graph of an
fbx file:
osg::ref_ptrosg::Node root = osgDB::readNodeFile( fbxFile )
- Then, locate the *AnimationManager *you want to use either *Basic *or *
Timeline*, according to your necessity.
[image: a02292.png]
- the best way is to use the design pattern Visitor, already implemented
in *osg::NodeVisitor*.
struct AnimationManagerFinder : public osg::NodeVisitor
{
osg::ref_ptrosgAnimation::BasicAnimationManager _am;
AnimationManagerFinder()
{setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN); }
void apply(osg::Node node) {
if (_am.valid())
return;
if (node.getUpdateCallback()) {
_am =
dynamic_castosgAnimation::BasicAnimationManager*(node.getUpdateCallback());
return;
}
traverse(node);
}
};
- In the previous code snippet, the *BasicAnimationManager*, if it is
found, will be stored on the variable* '_am' *located at *finder._am.*
- in your main function:
AnimationManagerFinder finder;
root-accept(finder);
- then you can recuperate the *AnimationList* avalaible in your fbx file
like this:
const osgAnimation::AnimationList animations =
finder._am-getAnimationList();
- Finally, you can do what ever you want: play the animation on the *
osgViewer*, get the *Duration*, the *StartTime*, the *Name *of the
animation... specify the *PlayMode*..
finder._am-playAnimation( animations[an].get() );
...
std::cout name animation: animations[an]-getName() std::endl;
I hope I helped :) please feel free to respond to this topic to ameliorate
it.
Have a nice day*
--*
*M. ALJI **Mohamed *
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[osg-users] fbx animation
Hi, everybody: anyone know how to activate an animation. fbx? ... Thank you! Cheers, Josue -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=37845#37845 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] fbx animation
Hi Josue, take a look at osganimationviewer example. Mourad On Wed, Mar 23, 2011 at 5:48 PM, Josue Hernandez osgfo...@tevs.eu wrote: Hi, everybody: anyone know how to activate an animation. fbx? ... Thank you! Cheers, Josue -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=37845#37845 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
