FGFS-4.1/OpenSceneGraph
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Added check to see if autoTransformCache had been initialized before

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using it in the computeBound.
This commit is contained in:
Robert Osfield
2005-04-28 05:58:20 +00:00
parent 30d20fcf55
commit 7f3d46e110
1 changed files with 12 additions and 5 deletions
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17
src/osgText/Text.cpp
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@@ -231,11 +231,18 @@ bool Text::computeBound() const
for(unsigned int i=0;i<_autoTransformCache.size();++i)
{
osg::Matrix& matrix = _autoTransformCache[i]._matrix;
_bbox.expandBy(osg::Vec3(_textBB.xMin(),_textBB.yMin(),_textBB.zMin())*matrix);
_bbox.expandBy(osg::Vec3(_textBB.xMax(),_textBB.yMin(),_textBB.zMin())*matrix);
_bbox.expandBy(osg::Vec3(_textBB.xMax(),_textBB.yMax(),_textBB.zMin())*matrix);
_bbox.expandBy(osg::Vec3(_textBB.xMin(),_textBB.yMax(),_textBB.zMin())*matrix);
if (_autoTransformCache[i]._traversalNumber<0 && (_characterSizeMode!=OBJECT_COORDS || _autoRotateToScreen))
{
// _autoTransformCache is not valid so don't take it into accoumt when compute bounding volume.
}
else
{
osg::Matrix& matrix = _autoTransformCache[i]._matrix;
_bbox.expandBy(osg::Vec3(_textBB.xMin(),_textBB.yMin(),_textBB.zMin())*matrix);
_bbox.expandBy(osg::Vec3(_textBB.xMax(),_textBB.yMin(),_textBB.zMin())*matrix);
_bbox.expandBy(osg::Vec3(_textBB.xMax(),_textBB.yMax(),_textBB.zMin())*matrix);
_bbox.expandBy(osg::Vec3(_textBB.xMin(),_textBB.yMax(),_textBB.zMin())*matrix);
}
}
}