public void TestCheckPoints()
{
var context = new PhysicalContext <int>(0.5, 1);
context.AddEntity(0, new PointMass());
context.Tick();
ThrowsException <ArgumentOutOfRangeException>(() => new ContextProgressTracker <int>(context, 10, 0));
ThrowsException <ArgumentOutOfRangeException>(() => new ContextProgressTracker <int>(context, 10, 12));
context.Tick();
var trackerInt = new ContextProgressTracker <int>(context, 10, 3, 9);
var trackerDouble = ContextProgressTracker <int> .FromTime(context, 10, 3, 9);
int reachedInt = 0, reachedDouble = 0;
trackerInt.OnCheckPoint += (c, _) => reachedInt++;
trackerDouble.OnCheckPoint += (c, _) => reachedDouble++;
for (int i = 0; i < 12; i++)
{
context.Tick();
}
AreEqual(2, reachedInt);
AreEqual(1, reachedDouble);
}
public void TestGoal()
{
var context = new PhysicalContext <int>(1, 1);
context.AddEntity(0, new PointMass());
context.Tick();
context.Tick();
var tracker = new ContextProgressTracker <int>(context, 10);
AreEqual(0, tracker.Progress);
bool goal = false;
tracker.OnGoal += (c, e) => goal = true;
context.Tick(4);
AreEqual(0.5, tracker.Progress);
context.Tick(4);
AreEqual(1, tracker.Progress);
IsFalse(tracker.IsActive);
IsTrue(goal);
}
private async void EvalButton_Click(object sender, RoutedEventArgs e)
{
try
{
SetPanelEnablity(false);
_isCancelationRequested = false;
var k = double.Parse(kValBox.Text);
var alpha = double.Parse(alphaValueBox.Text);
var dt = double.Parse(dtBox.Text);
var timeSpan = double.Parse(timeSpanBox.Text);
var planetRadius = double.Parse(planetRadiusBox.Text);
var interval = ulong.Parse(renderingIntervalBox.Text);
var progressBarSteps = uint.Parse(progressBarStepsBox.Text);
var context = new PhysicalContext <Entities>(timePerTick: dt, capacity: 2);
context.AddEntity
(
Entities.Planet,
new PointMass(0, 0, 0, 1)
);
context.AddEntity
(
Entities.Ship,
new PointMass
(
new AxisStatus(double.Parse(xPosBox.Text), double.Parse(xVelBox.Text)),
new AxisStatus(double.Parse(yPosBox.Text), double.Parse(yVelBox.Text)),
new AxisStatus(),
1
),
c => ModifiedGravityLaw <Entities>(c[Entities.Ship], c[Entities.Planet], alpha, k)
);
var xTracker = new ContextTracker <Entities, double>(context, c => c[Entities.Ship].X.Position, interval);
var yTracker = new ContextTracker <Entities, double>(context, c => c[Entities.Ship].Y.Position, interval);
var progress = ContextProgressTracker <Entities> .FromTime
(
context,
timeSpan,
Enumerable.Range(1, (int)progressBarSteps).Select(i => timeSpan *i / progressBarSteps).ToArray()
);
progress.OnCheckPoint += (c, _) => Dispatcher.Invoke(() => progressBar.Value = progress.Progress);
bool isSuccesful = await Task.Run
(
() => context.Tick
(
timeSpan,
c =>
!_isCancelationRequested &&
(
c[Entities.Ship].X.Position *c[Entities.Ship].X.Position +
c[Entities.Ship].Y.Position *c[Entities.Ship].Y.Position >=
planetRadius *planetRadius
),
false
)
);
if (!isSuccesful && !_isCancelationRequested)
{
Task.Run(() => MessageBox.Show($"Ship has crashed at {context.Timer}"));
}
var title = $"Start position = ({xPosBox.Text}; {yPosBox.Text})\n" +
$"Start velocity = ({xVelBox.Text}; {yVelBox.Text})\n" +
$"dt = {dtBox.Text}, K = {kValBox.Text}, Alpha = {alphaValueBox.Text}";
var xSeries = new LineSeries()
{
CanTrackerInterpolatePoints = false,
Title = title
};
var ySeries = new LineSeries()
{
CanTrackerInterpolatePoints = false,
Title = title
};
var orbitSeries = new LineSeries()
{
CanTrackerInterpolatePoints = false,
Title = title
};
xSeries.Points.AddRange(from p in xTracker select new DataPoint(p.Key * dt, p.Value));
ySeries.Points.AddRange(from p in yTracker select new DataPoint(p.Key * dt, p.Value));
orbitSeries.Points.AddRange(xTracker.Zip(yTracker, (x, y) => new DataPoint(x.Value, y.Value)));
plotX.Model.Series.Add(xSeries);
plotY.Model.Series.Add(ySeries);
orbitPlot.Model.Series.Add(orbitSeries);
orbitPlot.Model.PlotType = PlotType.Cartesian;
plotX.InvalidatePlot();
plotY.InvalidatePlot();
orbitPlot.InvalidatePlot();
progressBar.Value = 0;
SetPanelEnablity(true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
