I'm hoping to set up a wiki and public svn over the next few weeks. The library is fairly bare-bones at this point, and therefore subject to radical sudden changes. I'll continue to develop and enhance it into the future. Contributions from a community will be welcome. -Paul
_____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dusten Sobotta Sent: Friday, October 31, 2008 12:45 PM To: OpenSceneGraph Users Subject: Re: [osg-users] Computing bullet collision models from .3ds files Thanks a lot; this has been incredibly useful. What is the eta for the first release of your library? I've also solved a few problems with integrating osg + bullet, and might be able to contribute a few things if you're up to it. On Fri, Oct 31, 2008 at 12:20 PM, Paul Martz <[EMAIL PROTECTED]> wrote: Hi Dusten -- The short answer (probably) is that you should look at osg::TriangleFunctor. The longer answer: I'm currently developing an open source library containing utilities for integrating OSG with Bullet. Here is the code I use to create triangle meshes. The code for ComputeTriMeshVisitor is attached. btTriangleMeshShape* osgBullet::btTriMeshCollisionShapeFromOSG( osg::Node* node ) { ComputeTriMeshVisitor visitor; node->accept( visitor ); osg::Vec3Array* vertices = visitor.getTriMesh(); if( vertices->size() < 3 ) { osg::notify( osg::WARN ) << "osgBullet::btTriMeshCollisionShapeFromOSG, no triangles found" << std::endl; return( NULL ); } btTriangleMesh* mesh = new btTriangleMesh; for( size_t i = 0; i + 3 < vertices->size(); i += 3 ) { osg::Vec3& p1 = ( *vertices )[ i ]; osg::Vec3& p2 = ( *vertices )[ i + 1 ]; osg::Vec3& p3 = ( *vertices )[ i + 2 ]; mesh->addTriangle( btVector3( p1.x(), p1.y(), p1.z() ), btVector3( p2.x(), p2.y(), p2.z() ), btVector3( p3.x(), p3.y(), p3.z() ) ); } btBvhTriangleMeshShape* meshShape = new btBvhTriangleMeshShape( mesh, true ); return( meshShape ); } I hope this is helpful. I'll post more info here when I make this code publically available. Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com +1 303 859 9466 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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