/// <summary>
/// Remove the last movement vector
/// </summary>
private void RemoveLastMovementVector()
{
// remove from grid points collection
mRouteGridPoints.RemoveAt(mRouteGridPoints.Count - 1);
xNrVectors.Text = GetNrOfVectors().ToString();
// remove painting from grid
uint nrOfUIElements = MovementVectorPainter.RemoveLastMovementVector(xMyCanvas.Children, mRouteElements);
// remove from ui elements collection
for (uint index = 0; index < nrOfUIElements; index++)
{
mRouteElements.RemoveAt(mRouteElements.Count - 1);
}
}
/// <summary>
/// The movement vector is valid, now deal with it and
/// - paint the movement vector
/// - increase counter
/// - detect if race is finished
/// </summary>
/// <param name="gridPointClicked"></param>
private void HandleValidMovementVector(Point gridPointClicked)
{
// paint the movement vector
IList <UIElement> uiElemsMovVector = MovementVectorPainter.PaintMovementVector
(xMyCanvas.Children, mRouteGridPoints.Last(), gridPointClicked);
for (int index = 0; index < uiElemsMovVector.Count; index++)
{
mRouteElements.Add(uiElemsMovVector[index]);
}
// verify if the race is finished, it is simpler to do this before adding the grid point
bool raceFinished = mActiveTrack.CheckIfRaceIsFinished(mRouteGridPoints, gridPointClicked);
mRouteGridPoints.Add(gridPointClicked);
xNrVectors.Text = GetNrOfVectors().ToString();
if (raceFinished)
{
FinishRace();
}
}
