void GLWidget::setYTranslation(const float distance)
{
if(distance != yTrans)
{
yTrans = distance;
emit yTranslationChanged(distance);
updateGL();
}
}
void OpenGLContainer::setXYTranslation(int speedX, int speedY)
{
// Covers both positive and negative values for y
// TODO After the settings dialog is added make the defaul translation factor (here: .01) changable
// I've noticed that the more zoomed out the scene is the less noticable the translation is if I use a constant factor
// (here: .01). However if I combine this factor with the zoom level the translation speed gradually increases the more
// zoomed out the scene is (and decreases upon zoom in), which leads to a very nice adaptive navigation
xTrans += .01 * speedX * zZoom;
// The multiplication with -1 inverts the movement so that moving the mouse cursor upwards translates upwards
yTrans += .01 * speedY * zZoom * (-1);
std::cout << "(x: " << QString::number(xTrans, 'g', 3).toUtf8().constData() << "; y: " << QString::number(yTrans, 'g', 3).toUtf8().constData() << ")" << std::endl;
emit xTranslationChanged(xTrans);
emit yTranslationChanged(yTrans);
updateGL();
}
