feat: refactor spawnpointcallback

particle-track-and-trace/src/main.cpp

@@ -2,9 +2,7 @@
 #include <QVTKOpenGLNativeWidget.h>
 #include "QT/MainWindow.h"
 
-// TODO: make LColLayer use a modified spawnpointCallback to spawn multiple particles per interaction
 // TODO: make Lagrangian Layers share one vtkPoints for seemless technique swiching
-// TODO: add text gui explaining the above?
 // TODO: yoink Robin's isNearestNeighbourZero function to improve beaching
 // TODO: add a button to reset the simulation - set time=0 and reset points array of particles.
 // FIXME: go over each function and add const where appropriate.
@@ -13,6 +11,8 @@
 // COULDHAVE: the Legends are just statically rendered images; ideally these would be created along with the luts and then displayed accordingly.
 
 int main(int argc, char* argv[]) {
+  srand (static_cast <unsigned> (time(0)));
+
   QSurfaceFormat::setDefaultFormat(QVTKOpenGLNativeWidget::defaultFormat());
 
   QApplication app(argc, argv);