/// <summary>
/// Adds a car for the given <see cref="Lane"/>.
/// If the <see cref="Lane.CarsToBeGenerated"/> is 0 then nothing happens.
/// </summary>
/// <param name="lane">The selected <see cref="Lane"/>.</param>
public void AddCarToLane(Lane lane)
{
if (lane.CarsToBeGenerated == 0 || !lane.IsEmpty()) return;
var randomColor = Color.FromArgb(random.Next(0, 255), random.Next(0, 255), random.Next(0, 255));
var car = new Car((Direction) random.Next(1, 4), randomColor, lane);
if (lane.GenerateCar(car))
{
lane.CarsToBeGenerated--;
lane.CarFlow += 1;
}
}