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Display the distance to the previously selected point

This commit is contained in:
Andreas Fabri 2014-12-29 16:49:14 +01:00
parent 205eca6d61
commit 7ac935326e
1 changed files with 10 additions and 2 deletions
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12
Polyhedron/demo/Polyhedron/MainWindow.cpp
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@ -895,10 +895,18 @@ void MainWindow::selectSceneItem(int i)
void MainWindow::showSelectedPoint(double x, double y, double z)
{
information(QString("Selected point: (%1, %2, %3)").
static double x_prev = 0;
static double y_prev = 0;
static double z_prev = 0;
double dist = std::sqrt((x-x_prev)*(x-x_prev) + (y-y_prev)*(y-y_prev) + (z-z_prev)*(z-z_prev));
information(QString("Selected point: (%1, %2, %3) distance to previous: %4").
arg(x, 0, 'g', 10).
arg(y, 0, 'g', 10).
arg(z, 0, 'g', 10));
arg(z, 0, 'g', 10).
arg(dist,0,'g',10));
x_prev = x;
y_prev = y;
z_prev = z;
}
void MainWindow::unSelectSceneItem(int i)