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Fixed osgUtil::Optimizer::FlatternStaticTransformsVisitor so that the

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apply(osg::LOD) scaled the ranges in addition to transform the center
point and children.
This commit is contained in:
Robert Osfield 2001-11-10 15:46:05 +00:00
parent d4926589dc
commit 879a753ee2
1 changed files with 17 additions and 1 deletions
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18
src/osgUtil/Optimizer.cpp
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@ -329,7 +329,23 @@ void Optimizer::FlattenStaticTransformsVisitor::apply(osg::LOD& lod)
{
if (!_matrixStack.empty())
{
lod.setCenter(lod.getCenter()*_matrixStack.back());
osg::Matrix& matrix = _matrixStack.back();
osg::Matrix matrix_no_trans = matrix;
matrix_no_trans.setTrans(0.0f,0.0f,0.0f);
osg::Vec3 v111(1.0f,1.0f,1.0f);
osg::Vec3 new_v111 = v111*matrix_no_trans;
float ratio = new_v111.length()/v111.length();
// move center point.
lod.setCenter(lod.getCenter()*matrix);
// adjust ranges to new scale.
for(int i=0;i<lod.getNumRanges();++i)
{
lod.setRange(i,lod.getRange(i)*ratio);
}
lod.dirtyBound();
}
traverse(lod);