private Vector3d BuoyantDragForce(Rigidbody body, double depthFactor)
{
float tmp = 0;
if (depthFactor < 0.5)
{
tmp += (float)depthFactor * 2f; //drag from depth
}
else
{
tmp += (float)(1f - depthFactor) * 2f;
}
Vector3d dragForce = Vector3.Project(body.velocity, vessel.upAxis);
double vertVel = dragForce.magnitude;
dragForce *= vertVel;
dragForce *= tmp * BBPlanetOceanDensity.EvaluateBodyOceanDensity(vessel.mainBody);
if (dragForce.magnitude * TimeWarp.fixedDeltaTime / body.mass > vertVel)
{
dragForce = vessel.upAxis * vertVel;
}
return(-dragForce);
}
private Vector3d BuoyancyForce(Rigidbody body, double depth)
{
ApplySplashEffect(depth, body);
if (CheckDieOnHighVelocity(body))
{
return(Vector3.zero);
}
double vol;
double depthForMaxForce;
if (overrideVol > 0)
{
vol = overrideVol;
depthForMaxForce = overridedepthForMaxForce;
}
else if (part.collider)
{
Vector3 size = part.collider.bounds.size;
vol = size.magnitude; //This is highly approximate, but it works
depthForMaxForce = Math.Max(Math.Max(size.x, Math.Max(size.y, size.z)), 2); //This is a very, very rough model of partial immersion
}
else
{
vol = 1;
depthForMaxForce = 2;
}
double depthFactor = depth / depthForMaxForce;
depthFactor = Math.Min(depthFactor, 1);
part.rigidbody.drag = 3 * (float)depthFactor;
Vector3d gForce = -FlightGlobals.getGeeForceAtPosition(part.transform.position);
Vector3d buoyancyForce = gForce * depthFactor;
buoyancyForce *= vol * BBPlanetOceanDensity.EvaluateBodyOceanDensity(vessel.mainBody);
if (buoyancyForce.sqrMagnitude > part.mass * gForce.sqrMagnitude * 1.5)
{
buoyancyForce = part.mass * gForce * 1.5;
}
return(buoyancyForce);
}
private Vector3d BuoyancyForce(Rigidbody body, double depth)
{
if (CheckDieOnHighVelocity(body))
{
return(Vector3.zero);
}
Vector3d gForce = -FlightGlobals.getGeeForceAtPosition(part.transform.position);
Vector3d buoyancyForce = gForce * depthFactor;
buoyancyForce *= volume * BBPlanetOceanDensity.EvaluateBodyOceanDensity(vessel.mainBody);
return(buoyancyForce);
}
