FGFS-4.1/OpenSceneGraph
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Added automatic scaling and translation of help to make sure it always

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fits on screen
This commit is contained in:
Robert Osfield
2007-02-12 13:51:24 +00:00
parent fe177e42d5
commit d5f2a35a20
1 changed files with 14 additions and 0 deletions
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14
src/osgViewer/HelpHandler.cpp
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@@ -164,6 +164,20 @@ void HelpHandler::setUpScene(osgViewer::Viewer* viewer)
pos.y() -= characterSize*1.5f;
}
osg::BoundingBox bb = geode->getBoundingBox();
if (bb.valid())
{
float width = bb.xMax() - bb.xMin();
float height = bb.yMax() - bb.yMin();
float ratio = 1.0;
if (width > 1024.0f) ratio = 1024.0f/width;
if (height*ratio > 800.0f) ratio = 800.0f/height;
_camera->setViewMatrix(osg::Matrix::translate(-bb.center()) *
osg::Matrix::scale(ratio,ratio,ratio) *
osg::Matrix::translate(osg::Vec3(640.0f, 520.0f, 0.0f)));
}
}