/**
Function for getting the object space position of any node that's not a camera
Traverse up the tree until we're on the root node, then do a modeltransform all the way back down
**/
Vector3 Node::getPosition()
{
stack<Node*> nodes; //Stack of node pointers
//Upward traversal
Node* currentNode = this;
while (currentNode->parent != NULL)
{
nodes.push(currentNode);
currentNode = currentNode->parent;
}
//For each element do a model transformation
glMatrixMode(GL_MODELVIEW);
glPushMatrix(); //Remember the current modelview matrix just in case
glLoadIdentity(); //Clear the modelview matrix
while (!nodes.empty())
{
currentNode = nodes.top();
currentNode->modelTransform();
nodes.pop();
}
//Get the matrix
float m[16];
glGetFloatv(GL_MODELVIEW_MATRIX, m);
glPopMatrix();
Vector3 returnVec(m[12], m[13], m[14]);
return returnVec;
}
//osg vector z qt tabulky
osg::Vec3 SceneTreeManager::tableToVec3( QTableWidget * widgetToConverse, bool * ok /*= NULL*/ )
{
if (widgetToConverse==NULL)
{
osg::Vec3 retval(0,0,0);
return retval;
}
if (widgetToConverse->rowCount()!=1 || widgetToConverse->columnCount()!=3)
{
if (ok) *ok = false;
osg::Vec3 retval(0,0,0);
return retval;
}
osg::Vec3 returnVec(widgetToConverse->item(0,0)->text().toDouble(ok),widgetToConverse->item(0,1)->text().toDouble(ok),widgetToConverse->item(0,2)->text().toDouble(ok));
return returnVec;
}
