private void RenderMainOutputArea()
{
// Display error if it exists.
if (errorText != "")
{
GUILayout.Label(errorText);
}
// Parse the caclulated orbit.
if (currentOrbit != null)
{
if (currentOrbit.IsOutsideSOI)
{
GUILayout.Label("Warning: Orbit is outside of the SOI.");
}
if (currentOrbit.Periapsis < currentOrbit.ParentBody.Radius)
{
GUILayout.Label("Warning: Orbit intersects surface.");
}
GUILayout.BeginHorizontal();
GUILayout.BeginVertical();
GUILayout.Label("Periapsis Alt.: " + SOCUtilis.ParseOrbitElement(currentOrbit.PeriapsisAltitude, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Periapsis: " + SOCUtilis.ParseOrbitElement(currentOrbit.Periapsis, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Periapsis Speed: " + SOCUtilis.ParseOrbitElement(currentOrbit.PeriapsisSpeed, SimpleOrbit.ScalerType.Speed));
GUILayout.Label("S.Major Axis: " + SOCUtilis.ParseOrbitElement(currentOrbit.SemiMajorAxis, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Period: " + SOCUtilis.ParseOrbitElement(currentOrbit.OrbitalPeriod, SimpleOrbit.ScalerType.Time));
try
{
string dragText = (currentOrbit.ParentBody.atmosphere) ? " + drag" : "";
GUILayout.Label("Launch Δv: " + SOCUtilis.ParseOrbitElement(currentOrbit.CalculateEquatorialLandingDeltaV(), SimpleOrbit.ScalerType.Speed) + dragText);
}
catch (OrbitalElementExecption)
{
GUILayout.Label("Launch Δv: n/a");
}
GUILayout.EndVertical();
GUILayout.BeginVertical();
GUILayout.Label("Apoapsis Alt.: " + SOCUtilis.ParseOrbitElement(currentOrbit.ApoapsisAltitude, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Apoapsis: " + SOCUtilis.ParseOrbitElement(currentOrbit.Apoapsis, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Apoapsis Speed: " + SOCUtilis.ParseOrbitElement(currentOrbit.ApoapsisSpeed, SimpleOrbit.ScalerType.Speed));
GUILayout.Label("Eccentricity: " + SOCUtilis.ParseOrbitElement(currentOrbit.Eccentricity));
GUILayout.Label("Mean Orbit Speed: " + SOCUtilis.ParseOrbitElement(currentOrbit.MeanOrbitalSpeed, SimpleOrbit.ScalerType.Speed));
GUILayout.Label("Max. Darkness Length: " + SOCUtilis.ParseOrbitElement(currentOrbit.MaxDarknessTime, SimpleOrbit.ScalerType.Time));
GUILayout.EndVertical();
GUILayout.EndHorizontal();
}
}
public string ToString(bool userApsideAltitude)
{
string periapsisText, apoapsisText;
if (userApsideAltitude)
{
periapsisText = SOCUtilis.ParseOrbitElement(PeriapsisAltitude, ScalerType.Distance);
apoapsisText = SOCUtilis.ParseOrbitElement(ApoapsisAltitude, ScalerType.Distance);
}
else
{
periapsisText = SOCUtilis.ParseOrbitElement(Periapsis, ScalerType.Distance);
apoapsisText = SOCUtilis.ParseOrbitElement(Apoapsis, ScalerType.Distance);
}
return(parentBody.name + ": " + periapsisText + " x " + apoapsisText);
}
/// <summary>
/// Renders the celestial info area.
/// </summary>
private void RenderCelestialInfoArea()
{
// The current celestial.
CelestialBody celestialBody = celestialBodies[selectedCelestialIndex];
// Displays the current celestial.
GUILayout.BeginHorizontal();
GUILayout.Label("Selected Body: " + celestialSelectValues[selectedCelestialIndex]);
GUILayout.EndHorizontal();
// Main info area
GUILayout.BeginHorizontal(GUILayout.ExpandWidth(true));
// Orbital Characteristics
if (celestialBody.orbit != null)
{
// Calculations
double meanOrbitalSpeed = OrbitMath.MeanOrbitalSpeed(celestialBody.orbit.semiMajorAxis, celestialBody.orbit.eccentricity, celestialBody.referenceBody.gravParameter);
GUILayout.BeginVertical(GUILayout.ExpandWidth(true));
GUILayout.Label("ORBITAL CHARACTERISTICS");
GUILayout.Label("Apoapsis: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.ApR, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Periapsis: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.PeR, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Semi-major axis: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.semiMajorAxis, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Eccentricity: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.eccentricity));
GUILayout.Label("Orbital period: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.period, SimpleOrbit.ScalerType.Time));
GUILayout.Label("Average orbital speed: " + SOCUtilis.ParseOrbitElement(meanOrbitalSpeed, SimpleOrbit.ScalerType.Speed));
GUILayout.Label("Mean anomaly at epoch: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.meanAnomalyAtEpoch, SimpleOrbit.ScalerType.Radians));
GUILayout.Label("Inclination: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.inclination, SimpleOrbit.ScalerType.Degrees));
GUILayout.Label("Longitude of ascending node: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.LAN, SimpleOrbit.ScalerType.Degrees));
GUILayout.Label("Argument of periapsis: " + SOCUtilis.ParseOrbitElement(celestialBody.orbit.argumentOfPeriapsis, SimpleOrbit.ScalerType.Degrees));
GUILayout.EndVertical();
}
// Physical Characteristics
GUILayout.BeginVertical(GUILayout.ExpandWidth(true));
GUILayout.Label("PHYSICAL CHARACTERISTICS");
GUILayout.Label("Radius: " + SOCUtilis.ParseOrbitElement(celestialBody.Radius, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Circumference: " + SOCUtilis.ParseOrbitElement(celestialBody.Radius * 2.0 * Math.PI, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Surface area: " + SOCUtilis.ParseOrbitElement(celestialBody.SurfaceArea, SimpleOrbit.ScalerType.Area));
GUILayout.Label("Volume: " + SOCUtilis.ParseOrbitElement(celestialBody.Mass / celestialBody.Density, SimpleOrbit.ScalerType.Volume));
GUILayout.Label("Mass: " + SOCUtilis.ParseOrbitElement(celestialBody.Mass, SimpleOrbit.ScalerType.Mass));
GUILayout.Label("Density: " + SOCUtilis.ParseOrbitElement(celestialBody.Density, SimpleOrbit.ScalerType.Density));
GUILayout.Label("Surface gravity: " + SOCUtilis.ParseOrbitElement(celestialBody.GeeASL, "g"));
GUILayout.Label("Escape velocity: " + SOCUtilis.ParseOrbitElement(Math.Sqrt(2.0 * celestialBody.gravParameter / celestialBody.Radius), SimpleOrbit.ScalerType.Speed));
GUILayout.Label("Sphere of influence: " + SOCUtilis.ParseOrbitElement(celestialBody.sphereOfInfluence, SimpleOrbit.ScalerType.Distance));
GUILayout.Label("Sidereal rotation period: " + SOCUtilis.ParseOrbitElement(celestialBody.rotationPeriod, SimpleOrbit.ScalerType.Time));
CelestialBody planet = SOCUtilis.PlanetOfCelesital(celestialBody);
if (planet != null)
{
double solarDay = Math.Abs(celestialBody.rotationPeriod / (1.0 - celestialBody.rotationPeriod / planet.orbit.period));
GUILayout.Label("Solar day: " + SOCUtilis.ParseOrbitElement(solarDay, SimpleOrbit.ScalerType.Time));
if (celestialBody.atmosphere)
{
GUILayout.Label("Surface pressure: " + SOCUtilis.ParseOrbitElement(celestialBody.atmospherePressureSeaLevel, "kPa"));
}
}
GUILayout.EndVertical();
GUILayout.EndHorizontal();
}
private void RenderHohmannTransferArea()
{
// The Orbit 1 Save button.
GUILayout.BeginHorizontal();
if (currentOrbit == null)
{
GUI.enabled = false;
}
if (GUILayout.Button("Save as Orbit 1", GUILayout.Width(SaveOrbitButtonWidth)))
{
savedOrbit1 = currentOrbit;
}
GUI.enabled = true;
if (savedOrbit1 != null)
{
if (GUILayout.Button("C", GUILayout.Width(CharButtonWidth)))
{
savedOrbit1 = null;
}
GUILayout.Label(savedOrbit1.ToString(useAltitideAspides));
}
GUILayout.EndHorizontal();
// The Orbit 2 Save button.
GUILayout.BeginHorizontal();
if (currentOrbit == null)
{
GUI.enabled = false;
}
if (GUILayout.Button("Save as Orbit 2", GUILayout.Width(SaveOrbitButtonWidth)))
{
savedOrbit2 = currentOrbit;
}
GUI.enabled = true;
if (savedOrbit2 != null)
{
if (GUILayout.Button("C", GUILayout.Width(CharButtonWidth)))
{
savedOrbit2 = null;
}
GUILayout.Label(savedOrbit2.ToString(useAltitideAspides));
}
GUILayout.EndHorizontal();
// Calculate the delta-V of transfer if valid.
if (savedOrbit1 != null && savedOrbit2 != null)
{
if (savedOrbit1.ParentBody == savedOrbit2.ParentBody)
{
try
{
double hohmannTransferDeltaV = SimpleOrbit.CalculateHohmannTransferDeltaV(savedOrbit1, savedOrbit2);
GUILayout.Label("Transfer Δv: " + SOCUtilis.ParseOrbitElement(hohmannTransferDeltaV, SimpleOrbit.ScalerType.Speed));
}
catch (ArgumentException e)
{
GUILayout.Label("Error: " + e.Message);
}
}
else
{
GUILayout.Label("Parent bodies of saved orbits do not match.");
}
}
}
