public void MoveTrainHorizontally(double trainSpeed)
{
var random = new Random(123123);
for (var i = 0; i < 100; i++)
{
var world = new World(TileType.GetTileTypes(), new DateTime());
var train = new Train(0, trainSpeed, true, 0);
var gridX = random.Next(World.MinGridPosition.X, World.MaxGridPosition.X);
var gridY = random.Next(World.MinGridPosition.Y, World.MaxGridPosition.Y);
var trackLength = 5;
for (var j = 0; j < trackLength; j++)
{
var tile = world.CreateFromName("railStraight", new Int2(j + gridX, gridY), 0);
if (j == 0)
{
tile = tile.With(data: new TileRail(new[] { train }.ToImmutableList()));
}
world.AddTile(tile);
}
var startPos = world.GetTrainPosition(train.Id) ?? new Double2();
world.MoveTrains(new DateTime() + TimeSpan.FromSeconds(1));
var endPos = world.GetTrainPosition(train.Id) ?? new Double2();
Assert.AreEqual(startPos.X + Math.Min(trainSpeed, trackLength), endPos.X, 0.0001);
Assert.AreEqual(gridY + 0.5, endPos.Y, 0.0001);
}
}