private void Sensor_RequestWorldLocation(object sender, PartRequestWorldLocationArgs e)
{
try
{
if (!(sender is PartBase))
{
throw new ApplicationException("Expected sender to be PartBase");
}
PartBase senderCast = (PartBase)sender;
// These parts aren't part of a ship, so model coords is world coords
e.Orientation = senderCast.Orientation;
e.Position = senderCast.Position;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void TestCamera_RequestWorldLocation(object sender, PartRequestWorldLocationArgs e)
{
e.Position = new Point3D(0, 0, 0);
e.Orientation = Quaternion.Identity;
}
/// <summary>
/// Some parts need to know their location in world coords (sensors). So this raises an event that needs to be filled out by the owner
/// of the part.
/// </summary>
/// <remarks>
/// I didn't want the part to have a direct reference to the ship. There are various test forms that don't use ship. There could also be
/// several independent simulations that use a completely different class than ship. Also, parts could be mounted to movable limbs.
/// So it's up to the container to know all of that complexity, and just return world coords when asked.
/// </remarks>
public Tuple<Point3D, Quaternion> GetWorldLocation()
{
if (this.RequestWorldLocation == null)
{
//TODO: If this becomes tedious, just return the location in model coords. I just figured an exception would make it easier to catch plumbing issues
throw new ApplicationException("There is no event handler for RequestWorldLocation");
}
PartRequestWorldLocationArgs args = new PartRequestWorldLocationArgs();
this.RequestWorldLocation(this, args);
if (args.Position == null)
{
throw new ApplicationException("The event handler for RequestWorldLocation didn't set position");
}
else if (args.Orientation == null)
{
throw new ApplicationException("The event handler for RequestWorldLocation didn't set orientation");
}
return Tuple.Create(args.Position.Value, args.Orientation.Value);
}
private void Part_RequestWorldLocation(object sender, PartRequestWorldLocationArgs e)
{
if (!(sender is PartBase))
{
throw new ApplicationException("Expected sender to be PartBase");
}
PartBase senderCast = (PartBase)sender;
e.Orientation = this.PhysicsBody.Rotation.RotateBy(senderCast.Orientation);
e.Position = this.PositionWorld + this.PhysicsBody.Rotation.GetRotatedVector(senderCast.Position.ToVector());
}