本文整理汇总了C++中CoordinateFrame::getRotate方法的典型用法代码示例。如果您正苦于以下问题：C++ CoordinateFrame::getRotate方法的具体用法？C++ CoordinateFrame::getRotate怎么用？C++ CoordinateFrame::getRotate使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CoordinateFrame的用法示例。
在下文中一共展示了CoordinateFrame::getRotate方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: computeNodeCenterAndRotation
void NodeTrackerManipulator::computeNodeCenterAndRotation(osg::Vec3d& nodeCenter, osg::Quat& nodeRotation) const
{
osg::Matrixd localToWorld, worldToLocal;
computeNodeLocalToWorld(localToWorld);
computeNodeWorldToLocal(worldToLocal);
osg::NodePath nodePath;
if (_trackNodePath.getNodePath(nodePath) && !nodePath.empty())
nodeCenter = osg::Vec3d(nodePath.back()->getBound().center())*localToWorld;
else
nodeCenter = osg::Vec3d(0.0f,0.0f,0.0f)*localToWorld;
switch(_trackerMode)
{
case(NODE_CENTER_AND_AZIM):
{
CoordinateFrame coordinateFrame = getCoordinateFrame(nodeCenter);
osg::Matrixd localToFrame(localToWorld*osg::Matrixd::inverse(coordinateFrame));
double azim = atan2(-localToFrame(0,1),localToFrame(0,0));
osg::Quat nodeRotationRelToFrame, rotationOfFrame;
nodeRotationRelToFrame.makeRotate(-azim,0.0,0.0,1.0);
rotationOfFrame = coordinateFrame.getRotate();
nodeRotation = nodeRotationRelToFrame*rotationOfFrame;
break;
}
case(NODE_CENTER_AND_ROTATION):
{
// scale the matrix to get rid of any scales before we extract the rotation.
double sx = 1.0/sqrt(localToWorld(0,0)*localToWorld(0,0) + localToWorld(1,0)*localToWorld(1,0) + localToWorld(2,0)*localToWorld(2,0));
double sy = 1.0/sqrt(localToWorld(0,1)*localToWorld(0,1) + localToWorld(1,1)*localToWorld(1,1) + localToWorld(2,1)*localToWorld(2,1));
double sz = 1.0/sqrt(localToWorld(0,2)*localToWorld(0,2) + localToWorld(1,2)*localToWorld(1,2) + localToWorld(2,2)*localToWorld(2,2));
localToWorld = localToWorld*osg::Matrixd::scale(sx,sy,sz);
nodeRotation = localToWorld.getRotate();
break;
}
case(NODE_CENTER):
default:
{
CoordinateFrame coordinateFrame = getCoordinateFrame(nodeCenter);
nodeRotation = coordinateFrame.getRotate();
break;
}
}
}