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From Jannik Heller, Transform::computeBound() optimization.

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14894 16af8721-9629-0410-8352-f15c8da7e697
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Robert Osfield
2015-06-04 09:13:05 +00:00
parent ff42ff2a11
commit 32b60cd2d7
1 changed files with 7 additions and 6 deletions
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13
src/osg/Transform.cpp
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@@ -178,17 +178,18 @@ BoundingSphere Transform::computeBound() const
bsphere._center = bsphere._center*l2w;
xdash -= bsphere._center;
osg::BoundingSphere::value_type len_xdash = xdash.length();
osg::BoundingSphere::value_type sqrlen_xdash = xdash.length2();
ydash -= bsphere._center;
osg::BoundingSphere::value_type len_ydash = ydash.length();
osg::BoundingSphere::value_type sqrlen_ydash = ydash.length2();
zdash -= bsphere._center;
osg::BoundingSphere::value_type len_zdash = zdash.length();
osg::BoundingSphere::value_type sqrlen_zdash = zdash.length2();
bsphere._radius = len_xdash;
if (bsphere._radius<len_ydash) bsphere._radius = len_ydash;
if (bsphere._radius<len_zdash) bsphere._radius = len_zdash;
bsphere._radius = sqrlen_xdash;
if (bsphere._radius<sqrlen_ydash) bsphere._radius = sqrlen_ydash;
if (bsphere._radius<sqrlen_zdash) bsphere._radius = sqrlen_zdash;
bsphere._radius = (osg::BoundingSphere::value_type)sqrt(bsphere._radius);
return bsphere;