public LaneDisplay()
{
InitializeComponent();
var fill = BoatColor.Clone();
fill.Opacity = 0.5;
boat.Stroke = Brushes.Black;
boat.Fill = fill;
canvas.Children.Add(boat);
canvas.Loaded += Canvas_Loaded;
}
private void HandleDistanceChanged()
{
var canvasWidth = canvas.ActualWidth;
var canvasHeight = canvas.ActualHeight;
canvas.Background = WaterColor;
//paint the lines
var smallLines = GetLines(10, BaseDistance, MaxDistance, canvasWidth, 1.0);
foreach (var line in smallLines)
{
canvas.Children.Add(line);
}
var bigLines = GetLines(100, BaseDistance, MaxDistance, canvasWidth, 3.0);
foreach (var line in bigLines)
{
canvas.Children.Add(line);
}
//do not paint the boat when it is outside of our range to display
if (Math.Abs(CurrentDistance) > MaxDistance)
{
return;
}
//paint the boat
var currentPosPoint = (canvasWidth / 2.0) + ((CurrentDistance / MaxDistance) * (canvasWidth / 2.0));
var actualBoatSize = 8.2;
var canvasBoatSize = (actualBoatSize / (MaxDistance * 2.0)) * canvasWidth;
var upperBounds = canvasHeight / 4.0;
var lowerBounds = canvasHeight - (canvasHeight / 4.0);
var upperBoundsBack = canvasHeight / 3.0;
var lowerBoundsBack = canvasHeight - (canvasHeight / 3.0);
var points = new PointCollection();
points.Add(new Point(currentPosPoint, canvasHeight / 2.0));
points.Add(new Point(currentPosPoint - canvasBoatSize / 2.0, upperBounds));
points.Add(new Point(currentPosPoint - canvasBoatSize, upperBoundsBack));
points.Add(new Point(currentPosPoint - canvasBoatSize, lowerBoundsBack));
points.Add(new Point(currentPosPoint - canvasBoatSize / 2.0, lowerBounds));
boat.Points = points;
//display the boat redder when it is making pace, bluer when it slows down
var limitedPaceProgression = Math.Abs(PaceProgression);
if (limitedPaceProgression > 10.0)
{
limitedPaceProgression = 10.0; //a change in pace for more than 10 seconds should be displayed in bright color. Doesn't matter if its just 11 seconds or 60 seconds
}
if (limitedPaceProgression < 1.0)
{
limitedPaceProgression = 0.0; //do not display every small change in pace... Boats are lighting up left and right if we don't cap that
}
byte red = 0;
byte green = 0;
byte blue = 0;
var modifier = (byte)((limitedPaceProgression / 10.0) * 255.0);
if (PaceProgression > 0.0)
{
blue += modifier;
}
else
{
red += modifier;
}
boat.Stroke = new SolidColorBrush(new Color()
{
A = 255, R = red, G = green, B = blue
});
var fill = BoatColor.Clone();
fill.Opacity = 0.5;
boat.Fill = fill;
boat.StrokeThickness = 6.0;
canvas.InvalidateVisual();
}