Merge branch 'djairo-vtk-pause' into djairo-vtk-camera

vtk/src/commands/SpawnPointCallback.cpp

@@ -50,8 +50,7 @@ void SpawnPointCallback::Execute(vtkObject *caller, unsigned long evId, void *ca
     vtkSmartPointer<vtkCellArray> vertices = vtkSmartPointer<vtkCellArray>::New();
     vertices->InsertNextCell(vertex);
     data->SetVerts(vertices);
-//    data->Modified(); // These might be needed im not sure.
-//    ren->GetRenderWindow()->Render();
+    ren->GetRenderWindow()->Render();
 }
 
 

vtk/src/commands/TimerCallbackCommand.cpp

@@ -8,10 +8,16 @@ TimerCallbackCommand::TimerCallbackCommand() : dt(3600), maxTime(3600*24*365), t
 TimerCallbackCommand* TimerCallbackCommand::New(Program *program) {
   TimerCallbackCommand *cb = new TimerCallbackCommand();
   cb->setProgram(program);
+  cb->setPaused(false);
   return cb;
 }
 
 void TimerCallbackCommand::Execute(vtkObject* caller, unsigned long eventId, void* vtkNotUsed(callData)) {
+  auto intr = reinterpret_cast<vtkRenderWindowInteractor *>(caller);
+  
+  if (eventId == vtkCommand::KeyPressEvent and not strcmp("space", intr->GetKeySym())) {
+    this->paused = ! this->paused;
+  } else if (eventId == vtkCommand::TimerEvent and not this->paused) {
   this->time += this->dt;
 
   if (this->time >= this->maxTime) {
@@ -20,9 +26,15 @@ void TimerCallbackCommand::Execute(vtkObject* caller, unsigned long eventId, voi
   }
 
   this->program->updateData(this->time);
-}
+  }
 
+}
 
 void TimerCallbackCommand::setProgram(Program *program) {
   this->program = program;
 }
+
+
+void TimerCallbackCommand::setPaused(const bool val) {
+  this->paused = val;
+}

vtk/src/commands/TimerCallbackCommand.h

@@ -11,11 +11,13 @@ public:
   void Execute(vtkObject* caller, unsigned long eventId, void* vtkNotUsed(callData)) override;
 
   void setProgram(Program *program);
+  void setPaused(const bool val);
 
 private:
   int time;
   int dt;
   int maxTime;
+  bool paused;
   Program *program;
 };