/************************************************************
* Provádí instrukce autopilota při přiblížení na letiště
* **********************************************************/
public void approach(Airport airport)
{
float distanceOnAxis = airport.GetDistanceOnAxis((float)this.X, (float)this.Y);
if (distanceOnAxis < 2.0 && !isLanding)
{
cancelApproach();
}
else
{
Vector2 navigationPoint = distanceOnAxis > 12 ? airport.GetPointOnAxis(10) : airport.GetPointOnAxis(distanceOnAxis - 2);
navX = navigationPoint.X;
navY = navigationPoint.Y;
WantedDir = Main.getCourse((float)this.X, (float)this.Y, navigationPoint.X, navigationPoint.Y);
// sestupová fáze
if (distanceOnAxis <= 10.0)
{
if (airport.GetAngleFromAxis((float)this.X, (float)this.Y) <= 2.5)
{
IsDescendingToRunway = true;
}
if (IsDescendingToRunway) // Tento a ten horní IF musí zůstat oddělené, jinak nefunguje správně sestup na výšku 0
{
int newWantedAlt = (int)MathHelper.Lerp(3000, 0, 1.0f - distanceOnAxis / 10.0f);
wantedAlt = newWantedAlt < wantedAlt ? newWantedAlt : wantedAlt;
if (wantedAlt < 0)
{
wantedAlt = 0;
}
}
}
if (distanceOnAxis <= 5.0)
{
if (airport.GetAngleFromAxis((float)this.X, (float)this.Y) <= 2.5 && CheckLandingAvailability(airport))
{
IsLanding = true;
}
if (IsLanding) // Tento a ten horní IF musí zůstat oddělené!
{
int newWantedSpeed = (int)MathHelper.Lerp(200, 130, 1.0f - distanceOnAxis / 5.0f);
wantedSpeed = newWantedSpeed < wantedSpeed ? newWantedSpeed : wantedSpeed;
if (wantedSpeed < 130)
{
wantedSpeed = 130;
}
}
}
// Runway touch
if (!this.falling && Alt == 0)
{
wantedSpeed = (int)MathHelper.Lerp(130, 100, distanceOnAxis == 0 ? 0 : -distanceOnAxis / (float)airport.Length);
}
// Landing finished
if (-distanceOnAxis > 0.5 * airport.Length)
{
if (isLanding && Alt == 0)
{
landed = true;
}
else
{
cancelApproach();
}
}
}
}