本文整理汇总了C++中osg::Geode::getUserData方法的典型用法代码示例。如果您正苦于以下问题：C++ Geode::getUserData方法的具体用法？C++ Geode::getUserData怎么用？C++ Geode::getUserData使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类osg::Geode的用法示例。
在下文中一共展示了Geode::getUserData方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: n
void
FltExportVisitor::handleDrawElements( const osg::DrawElements* de, const osg::Geometry& geom, const osg::Geode& geode )
{
GLenum mode = de->getMode();
int n( 0 );
bool useMesh( false );
switch( mode )
{
case GL_TRIANGLE_STRIP:
case GL_TRIANGLE_FAN:
case GL_QUAD_STRIP:
n = de->getNumIndices();
useMesh = true;
break;
case GL_POINTS:
n = 1;
break;
case GL_LINES:
n = 2;
break;
case GL_TRIANGLES:
n = 3;
break;
case GL_QUADS:
n = 4;
break;
case GL_LINE_STRIP:
case GL_LINE_LOOP:
case GL_POLYGON:
default:
n = de->getNumIndices();
break;
}
// Push and pop subfaces if polygon offset is on.
SubfaceHelper subface( *this, getCurrentStateSet() );
if (useMesh)
{
std::vector< unsigned int > indices;
int idx;
for (idx=0; idx<n; idx++)
indices.push_back( de->index( idx ) );
writeMeshPrimitive( indices, mode );
}
else
{
unsigned int first( 0 );
while (first+n <= de->getNumIndices())
{
// Need:
// * Geode for record name (but also need to handle
// multi Geometry objects and multi PrimitiveSet objects;
// all Face records can't have the same name).
// * Mode
writeFace( geode, geom, mode );
writeMatrix( geode.getUserData() );
writeComment( geode );
writeMultitexture( geom );
writePush();
// Write vertex list records.
std::vector<unsigned int> indices;
int idx;
for(idx=0; idx<n; idx++)
indices.push_back( de->index( first+idx ) );
int numVerts = writeVertexList( indices, n );
first += n;
writeUVList( numVerts, geom );
writePop();
}
}
}示例2: guard
// Billboards also go through this code. The Geode is passed
// to writeFace and writeMesh. If those methods successfully cast
// the Geode to a Billboard, then they set the template mode
// bit accordingly.
void
FltExportVisitor::apply( osg::Geode& node )
{
_firstNode = false;
ScopedStatePushPop guard( this, node.getStateSet() );
unsigned int idx;
for (idx=0; idx<node.getNumDrawables(); idx++)
{
osg::Geometry* geom = node.getDrawable( idx )->asGeometry();
if (!geom)
{
std::string warning( "fltexp: Non-Geometry Drawable encountered. Ignoring." );
osg::notify( osg::WARN ) << warning << std::endl;
_fltOpt->getWriteResult().warn( warning );
continue;
}
ScopedStatePushPop drawableGuard( this, geom->getStateSet() );
// Push and pop subfaces if polygon offset is on.
SubfaceHelper subface( *this, getCurrentStateSet() );
if (atLeastOneFace( *geom ))
{
// If at least one record will be a Face record, then we
// need to write to the vertex palette.
_vertexPalette->add( *geom );
// Iterate over all PrimitiveSets and output Face records.
unsigned int jdx;
for (jdx=0; jdx < geom->getNumPrimitiveSets(); jdx++)
{
osg::PrimitiveSet* prim = geom->getPrimitiveSet( jdx );
if ( isMesh( prim->getMode() ) )
continue;
if (prim->getType() == osg::PrimitiveSet::DrawArraysPrimitiveType)
handleDrawArrays( dynamic_cast<osg::DrawArrays*>( prim ), *geom, node );
else if (prim->getType() == osg::PrimitiveSet::DrawArrayLengthsPrimitiveType)
handleDrawArrayLengths( dynamic_cast<osg::DrawArrayLengths*>( prim ), *geom, node );
else if ( (prim->getType() == osg::PrimitiveSet::DrawElementsUBytePrimitiveType) ||
(prim->getType() == osg::PrimitiveSet::DrawElementsUShortPrimitiveType) ||
(prim->getType() == osg::PrimitiveSet::DrawElementsUIntPrimitiveType) )
handleDrawElements( dynamic_cast<osg::DrawElements*>( prim ), *geom, node );
else
{
std::string warning( "fltexp: Unknown PrimitiveSet type." );
osg::notify( osg::WARN ) << warning << std::endl;
_fltOpt->getWriteResult().warn( warning );
return;
}
}
}
if (atLeastOneMesh( *geom ))
{
// If at least one Mesh record, write out preamble mesh records
// followed by a Mesh Primitive record per PrimitiveSet.
writeMesh( node, *geom );
writeMatrix( node.getUserData() );
writeComment( node );
writeMultitexture( *geom );
writeLocalVertexPool( *geom );
writePush();
unsigned int jdx;
for (jdx=0; jdx < geom->getNumPrimitiveSets(); jdx++)
{
osg::PrimitiveSet* prim = geom->getPrimitiveSet( jdx );
if ( !isMesh( prim->getMode() ) )
continue;
if (prim->getType() == osg::PrimitiveSet::DrawArraysPrimitiveType)
handleDrawArrays( dynamic_cast<osg::DrawArrays*>( prim ), *geom, node );
else if (prim->getType() == osg::PrimitiveSet::DrawArrayLengthsPrimitiveType)
handleDrawArrayLengths( dynamic_cast<osg::DrawArrayLengths*>( prim ), *geom, node );
else if ( (prim->getType() == osg::PrimitiveSet::DrawElementsUBytePrimitiveType) ||
(prim->getType() == osg::PrimitiveSet::DrawElementsUShortPrimitiveType) ||
(prim->getType() == osg::PrimitiveSet::DrawElementsUIntPrimitiveType) )
handleDrawElements( dynamic_cast<osg::DrawElements*>( prim ), *geom, node );
else
{
std::string warning( "fltexp: Unknown PrimitiveSet type." );
osg::notify( osg::WARN ) << warning << std::endl;
_fltOpt->getWriteResult().warn( warning );
return;
}
}
writePop();
}
}
//.........这里部分代码省略.........