public void Update_constrains_registered_objects_to_the_dimensions_of_the_universe()
{
var volume = new Volume(-600f, 600f, -400f, 400f, -100f, 100f);
var universe = new Universe(volume);
var gameObject1 = Substitute.For<IGameObject>();
var gameObject2 = Substitute.For<IGameObject>();
var gameObject3 = Substitute.For<IGameObject>();
var gameObject4 = Substitute.For<IGameObject>();
gameObject1.Position.Returns(new Vector2(volume.MinX - 10f, 0f));
gameObject2.Position.Returns(new Vector2(volume.MaxX - 10f, volume.MaxY + 10f));
gameObject3.Position.Returns(new Vector2(volume.MaxX + 10f, volume.MaxY - 10f));
gameObject4.Position.Returns(new Vector2(volume.MinX - volume.Width - 20f, volume.MinY + volume.Height / 2));
universe.Register(gameObject1);
universe.Register(gameObject2);
universe.Register(gameObject3);
universe.Register(gameObject4);
universe.Update();
var expectedPosition1 = new Vector2(volume.MaxX - 10f, 0f);
gameObject1.Received().Teleport(Arg.Is(expectedPosition1));
var expectedPosition2 = new Vector2(volume.MaxX - 10f, volume.MinY + 10f);
gameObject2.Received().Teleport(Arg.Is(expectedPosition2));
var expectedPosition3 = new Vector2(volume.MinX + 10f, volume.MaxY - 10f);
gameObject3.Received().Teleport(Arg.Is(expectedPosition3));
var expectedPosition4 = new Vector2(volume.MaxX - 20f, volume.MinY + volume.Height / 2);
gameObject4.Received().Teleport(Arg.Is(expectedPosition4));
}
public void Universe_creates_universe_and_initialises_the_volume_property()
{
var volume = new Volume(-600f, 600f, -400f, 400f, -100f, 100f);
var universe = new Universe(volume);
Assert.AreEqual(volume, universe.Volume);
}
public void UnRegister_removes_registered_object()
{
var volume = new Volume(-600f, 600f, -400f, 400f, -100f, 100f);
var universe = new Universe(volume);
var gameObject1 = Substitute.For<IGameObject>();
gameObject1.Position.Returns(new Vector2(volume.MinX - 10f, 0f));
universe.Register(gameObject1);
universe.Unregister(gameObject1);
universe.Update();
gameObject1.DidNotReceive().Teleport(Arg.Any<Vector2>());
}
