/// <summary>
/// Generates a Diffusion Limited Aggregate with properties initialised by
/// current values of sliders and combo-boxes in the UI. Should be called
/// in a separate thread.
/// </summary>
private void GenerateAggregate()
{
hasFinished = false;
uint particle_slider_val = 0;
// dispatch the particles_slider value access code to UI thread
Dispatcher.Invoke(() => {
particle_slider_val = (uint)particles_slider.Value;
});
// start asynchronous task calling AggregateUpdateListener to perform rendering
Task.Factory.StartNew(() => AggregateUpdateListener(particle_slider_val));
// generate the DLA using value of particle slider
switch (lattice_dimension)
{
case LatticeDimension._2D:
dla_2d.Generate(particle_slider_val);
break;
case LatticeDimension._3D:
dla_3d.Generate(particle_slider_val);
break;
}
hasFinished = true;
}
/// <summary>
/// Performs CPU intensive work, computing the build-up of an aggregate of `nparticles`
/// through calling the DLAClassLibrary c++ code. This method should be called in a
/// separate worker thread.
/// </summary>
/// <param name="nparticles">Number of particles in aggregate to produce.</param>
private void CallNativeCppAggregateGenerators(uint nparticles)
{
Timer simulation_timer = new Timer(25); // create timer for simulation routine
DateTime startDT = DateTime.Now;
simulation_timer.Elapsed += (source, e) => OnSimulationTimerUpdateEvent(source, e, startDT);
simulation_timer.AutoReset = true;
simulation_timer.Enabled = true;
// call native c++ code to generate aggregate data structures
switch (current_executing_dimension)
{
case LatticeDimension._2D:
dla_2d.Generate(nparticles);
break;
case LatticeDimension._3D:
dla_3d.Generate(nparticles);
break;
}
simulation_timer.Stop();
hasFinished = true;
saveCurrentChartSeries = false;
Dispatcher.Invoke(() => { compare_button.IsEnabled = true; });
}