private void Awake()
{
nodeCollider = GetComponent <CircleCollider2D>();
if (nodeCollider == null)
{
throw new UnityException(string.Format("Expecting ManeuverNode to have a Circle collider on it!"));
}
if (nodeSprite == null)
{
throw new UnityException(string.Format("Expecting ManeuverNode to have a SpriterRenderer on a child object!"));
}
nodeOutline = nodeSprite.GetComponent <CirclePlotter>();
if (nodeOutline == null)
{
throw new UnityException(string.Format("Expecting ManeuverNode to have a CirclePlotter on its child object w/ a SpriteRenderer!"));
}
if (tangentialForwardVectorHandler == null || tangentialBackwardVectorHandler == null || orthogonalOutVectorHandler == null || orthogonalInVectorHandler == null)
{
throw new UnityException(string.Format("Expecting ManeuverNode to have a ManeuverVectorHandler on each of four child objects!"));
}
// Event listeners for velocity mag change
tangentialForwardVectorHandler.DeltaVelocityAdjustedEvent += AdjustVelocityTangentiallyForward;
tangentialBackwardVectorHandler.DeltaVelocityAdjustedEvent += AdjustVelocityTangentiallyBackward;
orthogonalOutVectorHandler.DeltaVelocityAdjustedEvent += AdjustVelocityOrthogonallyOutward;
orthogonalInVectorHandler.DeltaVelocityAdjustedEvent += AdjustVelocityOrthogonallyInward;
trajectory = new Trajectory();
trajectorySolver = new UniversalVariableSolver();
maneuverNodes = new List <ManeuverNode>();
}
public Vector2 PredictPosition(float timeOfFlight)
{
Vector2 relativePosition = Position;
Vector2 relativeVelocity = Velocity;
if (CurrentGravitySource != null)
{
relativePosition -= CurrentGravitySource.Position;
relativeVelocity -= CurrentGravitySource.Velocity;
}
// Initialize Solver
UniversalVariableSolver tempTrajSolver = new UniversalVariableSolver();
tempTrajSolver.InitializeSolver(relativePosition, relativeVelocity, CurrentGravitySource.Mass, Trajectory);
// Solve for new position given time of flight
tempTrajSolver.UpdateStateVariables(timeOfFlight);
return(tempTrajSolver.CalculatedPosition.RotateVector(Trajectory.ArgumentOfPeriapsis) + CurrentGravitySource.Position);
}
protected virtual void Start()
{
Trajectory = new Trajectory();
trajectorySolver = new UniversalVariableSolver();
}
