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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