public bool Advance(float dt)
{
TimeAlive += dt;
if (IsAlive())
{
var oldPos = Position;
PositionX += Dx * dt;
PositionY += Dy * dt;
((CollisionTypeLine)CollisionType).StartPoint = oldPos;
((CollisionTypeLine)CollisionType).EndPoint = Position;
// check for collision
foreach (var aircraft in (MyTeam == Team.PlayerTeam ? ((PlayLayer)Parent).ActiveAircrafts : ((PlayLayer)Parent).PlayerAircrafts))
{
if (aircraft.MyState == Aircraft.State.ACTIVE && aircraft.Team.IsEnemy(MyTeam))
{
if (Collisions.CollideBoundingBoxLine(aircraft, (CollisionTypeLine)CollisionType))
{
CollideWithAircraft(aircraft);
}
}
}
}
return(CanBeRemoved());
}