While analyzing the TXNode class, I noticed that it makes a suttle assumption
that the coordinate system is Z up. Almost everyhere else in OSG it make no
such assumption (or it provides a CoordinateFrame class to convert from one
coordinate system to another such as from Z up to Y up).
Here is a small code snipit of TxpNode:
Code:
void TXPNode::updateEye(osg::NodeVisitor& nv)
{
[...]
//---- This code assumes Z up.
trpg2dPoint loc;
loc.x = nv.getEyePoint().x() - _originX;
loc.y = nv.getEyePoint().y() - _originY;
[...]
}
Is there an easy to make this work with other coordinate systems (like Y up).
Cheers,
Guy
------------------
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http://forum.openscenegraph.org/viewtopic.php?p=30152#30152
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