public void CustomTable()
{
TableLoader template = TableLoader.FromResource("g1_nowind");
const double velocityAccuracyInPercent = 0.005, dropAccuracyInMOA = 0.2, windageAccuracyInMOA = 0.2;
var table = DragTable.Get(template.Ammunition.BallisticCoefficient.Table);
template.Ammunition.BallisticCoefficient = new BallisticCoefficient(template.Ammunition.BallisticCoefficient.Value, DragTableId.GC);
var cal = new TrajectoryCalculator();
ShotParameters shot = new ShotParameters()
{
Step = new Measurement <DistanceUnit>(50, DistanceUnit.Yard),
MaximumDistance = new Measurement <DistanceUnit>(1000, DistanceUnit.Yard),
SightAngle = cal.SightAngle(template.Ammunition, template.Rifle, template.Atmosphere, table),
ShotAngle = template.ShotParameters?.ShotAngle,
CantAngle = template.ShotParameters?.CantAngle,
};
var trajectory = cal.Calculate(template.Ammunition, template.Rifle, template.Atmosphere, shot, null, table);
trajectory.Length.Should().Be(template.Trajectory.Count);
for (int i = 0; i < trajectory.Length; i++)
{
var point = trajectory[i];
var templatePoint = template.Trajectory[i];
point.Distance.In(templatePoint.Distance.Unit).Should().BeApproximately(templatePoint.Distance.Value, templatePoint.Distance.Value * velocityAccuracyInPercent, $"@{point.Distance:N0}");
point.Velocity.In(templatePoint.Velocity.Unit).Should().BeApproximately(templatePoint.Velocity.Value, templatePoint.Velocity.Value * velocityAccuracyInPercent, $"@{point.Distance:N0}");
var dropAccuracyInInch = Measurement <AngularUnit> .Convert(dropAccuracyInMOA, AngularUnit.MOA, AngularUnit.InchesPer100Yards) * templatePoint.Distance.In(DistanceUnit.Yard) / 100;
var windageAccuracyInInch = Measurement <AngularUnit> .Convert(windageAccuracyInMOA, AngularUnit.MOA, AngularUnit.InchesPer100Yards) * templatePoint.Distance.In(DistanceUnit.Yard) / 100;
point.Drop.In(DistanceUnit.Inch).Should().BeApproximately(templatePoint.Drop.In(DistanceUnit.Inch), dropAccuracyInInch, $"@{point.Distance:N0}");
point.Windage.In(DistanceUnit.Inch).Should().BeApproximately(templatePoint.Windage.In(DistanceUnit.Inch), windageAccuracyInInch, $"@{point.Distance:N0}");
}
}
public void Custom2()
{
var template = TableLoader.FromResource("custom2");
using var stream = typeof(TrajectoryCalculatorTest).Assembly.GetManifestResourceStream($"BallisticCalculator.Test.resources.drg2.txt");
var table = DrgDragTable.Open(stream);
const double velocityAccuracyInPercent = 0.015, dropAccuracyInMOA = 0.25;
var cal = new TrajectoryCalculator();
ShotParameters shot = new ShotParameters()
{
Step = new Measurement <DistanceUnit>(100, DistanceUnit.Meter),
MaximumDistance = new Measurement <DistanceUnit>(1500, DistanceUnit.Meter),
SightAngle = cal.SightAngle(template.Ammunition, template.Rifle, template.Atmosphere, table),
ShotAngle = template.ShotParameters?.ShotAngle,
CantAngle = template.ShotParameters?.CantAngle,
};
var winds = template.Wind == null ? null : new Wind[] { template.Wind };
var trajectory = cal.Calculate(template.Ammunition, template.Rifle, template.Atmosphere, shot, winds, table);
trajectory.Length.Should().Be(template.Trajectory.Count);
for (int i = 0; i < trajectory.Length; i++)
{
var point = trajectory[i];
var templatePoint = template.Trajectory[i];
point.Distance.In(templatePoint.Distance.Unit).Should().BeApproximately(templatePoint.Distance.Value, templatePoint.Distance.Value * velocityAccuracyInPercent, $"@{point.Distance:N0}");
point.Velocity.In(templatePoint.Velocity.Unit).Should().BeApproximately(templatePoint.Velocity.Value, templatePoint.Velocity.Value * velocityAccuracyInPercent, $"@{point.Distance:N0}");
if (i > 0)
{
var dropAccuracyInInch = Measurement <AngularUnit> .Convert(dropAccuracyInMOA, AngularUnit.MOA, AngularUnit.InchesPer100Yards) * templatePoint.Distance.In(DistanceUnit.Yard) / 100;
point.Drop.In(DistanceUnit.Inch).Should().BeApproximately(templatePoint.Drop.In(DistanceUnit.Inch), dropAccuracyInInch, $"@{point.Distance:N0}");
}
}
}
public void CustomTableNotSpecifiedException()
{
TableLoader template = TableLoader.FromResource("g1_nowind");
template.Ammunition.BallisticCoefficient = new BallisticCoefficient(template.Ammunition.BallisticCoefficient.Value, DragTableId.GC);
var cal = new TrajectoryCalculator();
((Action)(() => cal.SightAngle(template.Ammunition, template.Rifle, template.Atmosphere)))
.Should().Throw <ArgumentNullException>();
ShotParameters shot = new ShotParameters()
{
Step = new Measurement <DistanceUnit>(50, DistanceUnit.Yard),
MaximumDistance = new Measurement <DistanceUnit>(1000, DistanceUnit.Yard),
SightAngle = new Measurement <AngularUnit>(10, AngularUnit.MOA),
ShotAngle = template.ShotParameters?.ShotAngle,
CantAngle = template.ShotParameters?.CantAngle,
};
((Action)(() => cal.Calculate(template.Ammunition, template.Rifle, template.Atmosphere, shot, null)))
.Should().Throw <ArgumentNullException>();
}
public void TrajectoryTest(string name, double velocityAccuracyInPercent, double dropAccuracyInMOA, double windageAccuracyInMOA)
{
TableLoader template = TableLoader.FromResource(name);
var cal = new TrajectoryCalculator();
ShotParameters shot = new ShotParameters()
{
Step = new Measurement <DistanceUnit>(50, DistanceUnit.Yard),
MaximumDistance = new Measurement <DistanceUnit>(1000, DistanceUnit.Yard),
SightAngle = cal.SightAngle(template.Ammunition, template.Rifle, template.Atmosphere),
ShotAngle = template.ShotParameters?.ShotAngle,
CantAngle = template.ShotParameters?.CantAngle,
};
var winds = template.Wind == null ? null : new Wind[] { template.Wind };
var trajectory = cal.Calculate(template.Ammunition, template.Rifle, template.Atmosphere, shot, winds);
trajectory.Length.Should().Be(template.Trajectory.Count);
for (int i = 0; i < trajectory.Length; i++)
{
var point = trajectory[i];
var templatePoint = template.Trajectory[i];
point.Distance.In(templatePoint.Distance.Unit).Should().BeApproximately(templatePoint.Distance.Value, templatePoint.Distance.Value * velocityAccuracyInPercent, $"@{point.Distance:N0}");
point.Velocity.In(templatePoint.Velocity.Unit).Should().BeApproximately(templatePoint.Velocity.Value, templatePoint.Velocity.Value * velocityAccuracyInPercent, $"@{point.Distance:N0}");
var dropAccuracyInInch = Measurement <AngularUnit> .Convert(dropAccuracyInMOA, AngularUnit.MOA, AngularUnit.InchesPer100Yards) * templatePoint.Distance.In(DistanceUnit.Yard) / 100;
var windageAccuracyInInch = Measurement <AngularUnit> .Convert(windageAccuracyInMOA, AngularUnit.MOA, AngularUnit.InchesPer100Yards) * templatePoint.Distance.In(DistanceUnit.Yard) / 100;
point.Drop.In(DistanceUnit.Inch).Should().BeApproximately(templatePoint.Drop.In(DistanceUnit.Inch), dropAccuracyInInch, $"@{point.Distance:N0}");
point.Windage.In(DistanceUnit.Inch).Should().BeApproximately(templatePoint.Windage.In(DistanceUnit.Inch), windageAccuracyInInch, $"@{point.Distance:N0}");
}
}
