internal void ResetHeadPosition()
{
float pathLength = Aircraft.ScaledContentSize.Width;
// get the mathematical direction of the aircraft
Constants.CCDegreesToDxDy(Aircraft.MyRotation, out float dx, out float dy);
MoveHeadToClosestPointInsideManeuverPolygon(new CCPoint(Aircraft.PositionX + dx * pathLength, Aircraft.PositionY + dy * pathLength));
}
/// <summary>
/// Check whether a bullet shot now would hit any parts of the TargetAircraft (if the TargetAircraft wouldn't move).
/// </summary>
/// <param name="partsInRange"></param>
/// <returns>whether the bullet would hit</returns>
internal bool WouldHit()
{
Constants.CCDegreesToDxDy(MyPart.TotalRotation, out float dx, out float dy);
CollisionTypeLine cTypeReachLine = new CollisionTypeLine(MyPart.PositionWorldspace, MyPart.PositionWorldspace + new CCPoint(dx * Reach, dy * Reach));
foreach (Part part in TargetAircraft.TotalParts)
{
if (Collisions.CollidePolygonLine(part, ((CollisionTypePolygon)part.CollisionType), cTypeReachLine))
return true;
}
return false;
}
private void MoveHeadTo(float x, float y)
{
// move the head
FlightPathHead.MoveTo(x, y);
// if its a player aircraft make sure it doesn't move too far away from the others
if (Layer is PlayLayer pl && pl.PlayerAircrafts != null && pl.PlayerAircrafts.Contains(Aircraft))
{
FlightPathHead.EnsureProximityToOtherPlayerHeads();
}
// recalculate the flight path
Constants.CCDegreesToDxDy(Aircraft.MyRotation, out float dx, out float dy);
FlightPathNode.CalculatePath(Aircraft.Position, dx, dy, FlightPathHead.Position);
if (Aircraft.ControlledByPlayer)
{
FlightPathNode.DrawPath();
}
// rotate the head according to the direction (not the slope itself) at the end of the flight path
FlightPathHead.MyRotation = FlightPathNode.DirectionAt(FlightPathNode.Path.Length - 1);
}
private protected void UpdateDxDy()
{
Constants.CCDegreesToDxDy(MyRotation, out float dx, out float dy);
Dx = dx * Velocity; Dy = Velocity * dy;
}
