diff options
| -rw-r--r-- | src/mainwindow.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mainwindow.cc b/src/mainwindow.cc index cd322b9..27452ce 100644 --- a/src/mainwindow.cc +++ b/src/mainwindow.cc @@ -37,6 +37,8 @@ #include <qlayout.h> #include <qstatusbar.h> +#include <math.h> + //#include "mgui_alert.h" //#include "mgui_datasocket.h" @@ -218,7 +220,7 @@ void MainWindow::createGui() void MainWindow::redraw_edge() { rec_edge_counter += SPEED; - float val = abs(sin(rec_edge_counter)); + float val = fabs(sin(rec_edge_counter)); img_recedge->setBackgroundColor(QColor((int) ((255 - GREY) * val + GREY), (int) (GREY - (GREY * val)), (int) (GREY - (GREY * val)))); |