FGFS-4.1/OpenSceneGraph
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Added new Node/Drawable::s/getInitialBound and Node/Drawable::s/getComputeBoundCallback

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methods and reimplement computeBound so that it passes back a bounding volume rather
than modifying the local one.
This commit is contained in:
Robert Osfield
2005-05-12 14:03:22 +00:00
parent ad2bd31ac8
commit bf4d63f6ea
52 changed files with 337 additions and 377 deletions
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10
src/osg/LightSource.cpp
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@@ -58,9 +58,9 @@ void LightSource::setLocalStateSetModes(StateAttribute::GLModeValue value)
setStateSetModes(*_stateset,value);
}
bool LightSource::computeBound() const
BoundingSphere LightSource::computeBound() const
{
Group::computeBound();
BoundingSphere bsphere(Group::computeBound());
if (_light.valid() && _referenceFrame==RELATIVE_RF)
{
@@ -68,11 +68,9 @@ bool LightSource::computeBound() const
if (pos[3]!=0.0f)
{
float div = 1.0f/pos[3];
_bsphere.expandBy(Vec3(pos[0]*div,pos[1]*div,pos[2]*div));
bsphere.expandBy(Vec3(pos[0]*div,pos[1]*div,pos[2]*div));
}
}
_bsphere_computed = true;
return true;
return bsphere;
}