//Returns the current terminal velocity for vessel v in true m/s
public static float getTerm(Vessel v)
{
//Use FAR data if installed
SteamShip.InitFAR();
if (SteamShip.far_GetTermVel != null && v == FlightGlobals.ActiveVessel)
{
return((float)SteamShip.far_GetTermVel());
}
double totalMass = 0d;
double massDrag = 0d;
foreach (Part part in v.parts)
{
if (part.physicalSignificance != Part.PhysicalSignificance.NONE)
{
double partMass = part.mass + part.GetResourceMass();
totalMass += partMass;
massDrag += partMass * part.maximum_drag;
}
}
double gravity = FlightGlobals.getGeeForceAtPosition(v.CoM).magnitude;
double atmosphere = v.atmDensity;
double terminalVelocity = 0d;
if (atmosphere > 0)
{
terminalVelocity = Math.Sqrt((2 * totalMass * gravity) / (atmosphere * massDrag * 1)); //1 should be drag index, which doesn't exist any more
}
return((float)terminalVelocity);
}
//Returns true if vec is more than 2 degrees from the nose in either pitch or yaw
private bool offTarget(Vector3 vec, float amount)
{
Transform self = FlightGlobals.ActiveVessel.ReferenceTransform;
//Determine the number of degrees vec differs from vessel orientation
Vector3 rVel = new Vector3();
rVel.x = SteamShip.AngleAroundNormal(vec, self.up, self.forward);
rVel.y = SteamShip.AngleAroundNormal(vec, self.up, self.right);
if (Math.Abs(rVel.x) > amount)
{
return(true);
}
if (Math.Abs(rVel.y) > amount)
{
return(true);
}
return(false);
}
//What to do when we are drawn
private void OnDraw()
{
//SteamShip updating
SteamShip.update();
//Alpha blending
Color tmpColor = GUI.color;
GUI.color = new Color(1, 1, 1, Alpha);
//Draw the main window, if not minimized
if (!isMinimized)
{
//Check window off screen
if ((_windowPosition.xMin + _windowPosition.width) < 20)
{
_windowPosition.xMin = 20 - _windowPosition.width; //left limit
}
if (_windowPosition.yMin + _windowPosition.height < 20)
{
_windowPosition.yMin = 20 - _windowPosition.height; //top limit
}
if (_windowPosition.xMin > Screen.width - 20)
{
_windowPosition.xMin = Screen.width - 20; //right limit
}
if (_windowPosition.yMin > Screen.height - 20)
{
_windowPosition.yMin = Screen.height - 20; //bottom limit
}
String title = "SteamGauges " + VersionString;
if (!CompatibilityChecker.IsCompatible())
{
title = title + " Incompatible Version!";
}
_windowPosition = GUILayout.Window(8901, _windowPosition, OnWindow, title, _windowStyle);
}
//Draw the advanced window, if not minimized
if (!advMinimized)
{
//Check window off screen
if ((_advwindowPosition.xMin + _advwindowPosition.width) < 20)
{
_advwindowPosition.xMin = 20 - _advwindowPosition.width; //left limit
}
if (_advwindowPosition.yMin + _advwindowPosition.height < 20)
{
_advwindowPosition.yMin = 20 - _advwindowPosition.height; //top limit
}
if (_advwindowPosition.xMin > Screen.width - 20)
{
_advwindowPosition.xMin = Screen.width - 20; //right limit
}
if (_advwindowPosition.yMin > Screen.height - 20)
{
_advwindowPosition.yMin = Screen.height - 20; //bottom limit
}
_advwindowPosition = GUILayout.Window(8902, _advwindowPosition, OnAdvanced, "SteamGauges" + VersionString + " Settings", _windowStyle);
}
//Reset alpha so we don't blend out stuff unintentionally
GUI.color = tmpColor;
}
