public void RotateTo_DoesNotOvershoot(RotationSpeed speed)
{
var rotorPair = new MockFacingRotorPair {
CurrentAngleDegrees = 20
};
var module = new EngineModule("Test", rotorPair, new RotorLimits(0, 130), new IMyThrust[0]);
// 10% frame jitter.
const float jitter = RotationSpeed.TimeStepSeconds * 0.1f;
var random = new Random();
var operation = module.RotateTo(90, speed);
var rotorVelocities = new List <float>();
// First iteration performs setup, so the clock doesn't need to tick until the next.
while (operation.MoveNext())
{
rotorVelocities.Add(rotorPair.TargetVelocityDegreesPerSecond);
// Accuracy ranges:
if (rotorVelocities.Count < speed.TimeTargetSeconds * 6)
{
// No target within deadline.
}
else if (rotorVelocities.Count < speed.TimeTargetSeconds * 12)
{
// After deadline, expect to be within 5 degrees.
Assert.That(rotorPair.CurrentAngleDegrees, Is.EqualTo(90).Within(5f));
}
else
{
// After double deadline, expect to be within 0.1 degrees.
Assert.That(rotorPair.CurrentAngleDegrees, Is.EqualTo(90).Within(0.1f));
}
if (!operation.Current)
{
break; // Completed.
}
var step = TimeSpan.FromSeconds(MathHelper.Lerp(-jitter, jitter, random.NextDouble()) + RotationSpeed.TimeStepSeconds);
rotorPair.Step(step);
Clock.AddTime(step);
}
TestContext.WriteLine("Iterations: {0} ({1} sec)", rotorVelocities.Count, rotorVelocities.Count / 6);
Assert.That(rotorPair.CurrentAngleDegrees, Is.EqualTo(90).Within(0.1f));
Assert.That(rotorVelocities, Has.None.Negative);
Assert.That(rotorVelocities, Has.Count.LessThanOrEqualTo(60));
}
public void RotatesAllModulesFasterWhenTriggeredTwice()
{
var rotorPairs = new[]
{
new MockFacingRotorPair {
CurrentAngleDegrees = 20
},
new MockFacingRotorPair {
CurrentAngleDegrees = 20
},
new MockFacingRotorPair {
CurrentAngleDegrees = 20
},
};
var modules = rotorPairs.Select((r, i) => new EngineModule(i.ToString(), r, new RotorLimits(0, 130), new IMyThrust[0])).ToArray();
var tier = new EngineTier(modules, new[] { new StaticState.EnginePresetDef("Test", 90) }, 0);
// 10% frame jitter.
const float jitter = RotationSpeed.TimeStepSeconds * 0.1f;
var random = new Random();
Assert.That(tier.ActivatePreset("Test"), Is.True);
var iterations = 0;
while (tier.Run())
{
if (iterations == 6)
{
// After 1 second, activate the preset again.
Assert.That(tier.ActivatePreset("Test"), Is.True);
}
var step = TimeSpan.FromSeconds(MathHelper.Lerp(-jitter, jitter, random.NextDouble()) + RotationSpeed.TimeStepSeconds);
foreach (var rotorPair in rotorPairs)
{
rotorPair.Step(step);
}
Clock.AddTime(step);
iterations++;
}
TestContext.WriteLine("Iterations: {0} ({1} sec)", iterations, iterations / 6);
Assert.That(rotorPairs.Select(r => r.CurrentAngleDegrees), Has.All.EqualTo(90).Within(0.1f));
Assert.That(iterations, Is.LessThanOrEqualTo(30));
}