public void Test_GetConsumedFuel_WithPartialExcessFuelAndPartialInsuffiecientFuel()
{
var fuelTank = new FuelTank(
new FuelComponent(0.5, 100000),
new FuelComponent(0.5, 0));
var dryMass = 10000;
var fuelAMass = 100000;
var exhaustVelocity = 350 * 9.81;
var deltaVelocity = 9400d;
var exhaustMass = FuelCalculator.GetConsumedFuel(
deltaVelocity,
dryMass,
fuelTank,
exhaustVelocity,
0.01);
var expectedBurnedFuelMass = 193256d;
var expectedBurnedFuelAMass = expectedBurnedFuelMass / 2;
var expectedExceedingFuelAMass = fuelAMass - expectedBurnedFuelAMass;
var confirmedDeltaVelocity = Physics.GetDeltaVelocityBudget(
dryMass + expectedExceedingFuelAMass,
exhaustMass,
exhaustVelocity);
Assert.Equal(deltaVelocity, confirmedDeltaVelocity, 0);
Assert.True(Math.Abs(expectedBurnedFuelMass - exhaustMass) < expectedBurnedFuelMass / 1000);
}
public void Test_GetConsumedFuel_WithInsufficientFuel()
{
var x = Physics.GetRequiredExhaustMass(9400, 10000, 350 * 9.81);
Assert.Equal(144518.9, FuelCalculator.GetConsumedFuel(9400, 10000, new FuelTank(0), 350 * 9.81, 0.1), 1);
Assert.Equal(144518.9, FuelCalculator.GetConsumedFuel(9400, 10000, new FuelTank(1), 350 * 9.81, 0.1), 1);
Assert.Equal(144518.9, FuelCalculator.GetConsumedFuel(9400, 10000, new FuelTank(10000), 350 * 9.81, 0.1), 1);
Assert.Equal(144518.9, FuelCalculator.GetConsumedFuel(9400, 10000, new FuelTank(100000), 350 * 9.81, 0.1), 1);
}
public double GetRequiredFuelMass(double deltaVelocity)
{
var totalMass = Mass;
// TODO: Refactor Enginge.Components to be more user friendly, dont do this shit here
var massPerCycleSum = Engine.FuelComponents.Sum(i => i.Mass);
var componentsByItems = Engine.FuelComponents.ToDictionary(i => i.Item);
var fuelTank = new FuelTank(Engine.GetAvailableFuel(CargoBay).Select(i =>
{
var portion = componentsByItems[i.Item].Mass / massPerCycleSum;
return(new FuelComponent(portion, i.Mass));
}).ToList());
var dryMass = totalMass - fuelTank.GetAvailableMass();
return(FuelCalculator.GetConsumedFuel(deltaVelocity, dryMass, fuelTank, Engine.ExhaustVelocity, 1.MeterPerSecond()));
}
public void Test_GetConsumedFuel_WithZeroExhaustVelocity()
{
var exhaustMass = FuelCalculator.GetConsumedFuel(9400, 10000, new FuelTank(144518.9), 0, 0.1);
Assert.Equal(double.PositiveInfinity, exhaustMass, 1);
}
public void Test_GetConsumedFuel_WithZeroDryMass()
{
var exhaustMass = FuelCalculator.GetConsumedFuel(9400, 0, new FuelTank(144518.9), 350 * 9.81, 0.1);
Assert.Equal(135166.2, exhaustMass, 1);
}
public void Test_GetConsumedFuel_WithZeroDeltaVelocity()
{
var exhaustMass = FuelCalculator.GetConsumedFuel(0, 10000, new FuelTank(144518.9), 350 * 9.81, 0.1);
Assert.Equal(0, exhaustMass, 1);
}
public void Test_GetConsumedFuel_WithExcessFuel()
{
var exhaustMass = FuelCalculator.GetConsumedFuel(9400, 5000, new FuelTank(144518.9), 350 * 9.81, 0.1);
Assert.Equal(139842.3, exhaustMass, 1);
}
