private void DoOneComputerDriverMove(object state)
{
uint nrBacktracks;
Point gridPoint;
mComputerDriverManager.GetNextGridPoint(mActiveTrack, mActiveCar, mRouteGridPoints,
new Point(GridLinePainter.GetMiddleGridPointX(xMyCanvas),
GridLinePainter.GetMiddleGridPointY(xMyCanvas)),
out nrBacktracks, out gridPoint);
if (nrBacktracks == 0)
{
if (gridPoint != null)
{
HandleGridPoint(gridPoint);
}
}
else
{
for (uint index = 0; index < nrBacktracks; index++)
{
RemoveLastMovementVector();
}
if (gridPoint != null)
{
HandleGridPoint(gridPoint);
}
}
}
/// <summary>
/// Paint starting line candidate so that user knows where to start
/// </summary>
private void PaintStartingLineCandidate()
{
uint startingLineYCoordinate = GridLinePainter.GetMiddleGridRowYCoordinate(xMyCanvas);
uint startingLineXRightGridPoint = GridLinePainter.GetMiddleGridPointX(xMyCanvas);
double startingLineXRightCoordinate = startingLineXRightGridPoint * GridBackgroundHelper.gridDistance;
mStartingLineCandidateLeftPoint.X = 0.0;
mStartingLineCandidateLeftPoint.Y = startingLineYCoordinate;
mStartingLineCandidateRightPoint.X = startingLineXRightCoordinate;
mStartingLineCandidateRightPoint.Y = startingLineYCoordinate;
Line startingLineCandidate = new Line();
startingLineCandidate.Stroke = TrackBrushDefs.startingLineBrush;
startingLineCandidate.StrokeThickness = 3;
startingLineCandidate.X1 = mStartingLineCandidateLeftPoint.X;
startingLineCandidate.Y1 = mStartingLineCandidateLeftPoint.Y;
startingLineCandidate.X1 = mStartingLineCandidateRightPoint.X;
startingLineCandidate.Y2 = mStartingLineCandidateRightPoint.Y;
Canvas.SetZIndex(startingLineCandidate, ZIndexValues.startingLine);
xMyCanvas.Children.Add(startingLineCandidate);
}