public void Apply(int rotationChange, int powerChange, MarsLanderEnvironment environment)
{
if (Status != LanderStatus.Flying) return;
if (Situation.Fuel < Situation.Power + powerChange) powerChange = 0;
if (Situation.Fuel < Situation.Power) powerChange = -1;
Situation.Power += LimitPower(powerChange);
Situation.Rotation += LimitRotation(rotationChange);
Situation.Fuel -= Situation.Power;
Situation.HorizontalSpeed += Trigonometry.GetHorizontalSpeedFraction(Situation.Rotation, ZeroDegreesDirection.Top) * Situation.Power;
if (Situation.HorizontalSpeed > MarsLanderRules.MaxHorizontalSpeed)
Situation.HorizontalSpeed = MarsLanderRules.MaxHorizontalSpeed;
if (Situation.HorizontalSpeed < MarsLanderRules.MinHorizontalSpeed)
Situation.HorizontalSpeed = MarsLanderRules.MinHorizontalSpeed;
Situation.VerticalSpeed += Trigonometry.GetVerticalSpeedFraction(Situation.Rotation, ZeroDegreesDirection.Top) * Situation.Power - MarsLanderRules.Gravity;
if (Situation.VerticalSpeed > MarsLanderRules.MaxVerticalSpeed)
Situation.VerticalSpeed = MarsLanderRules.MaxVerticalSpeed;
if (Situation.VerticalSpeed < MarsLanderRules.MinVerticalSpeed)
Situation.VerticalSpeed = MarsLanderRules.MinVerticalSpeed;
Situation.X += Situation.HorizontalSpeed;
Situation.Y += Situation.VerticalSpeed;
RoundValues();
Situations.Add(Situation.Clone());
Actions.Add($"{rotationChange} {powerChange}");
SetStatus(environment);
}
public void GetHorizontalSpeed_ValidParameters_ReturnsValidSpeed(int angle, double result)
{
Assert.That(Trigonometry.GetHorizontalSpeedFraction(angle), Is.EqualTo(Math.Round(result, 3)));
}