public void Should_not_move_by_default()
{
var guy = new Guy();
guy.myTexture = new FakeTexture2D()
{
OnHeight = () => 1,
OnWidth = () => 1
};
var bounds = new Rectangle(0, 0, 1000, 1000);
guy.InitPosition(bounds);
guy.Handle(new KeyboardState());
var time = new SimulatedGameTime();
guy.UpdateSprite(bounds, time.Increment(new TimeSpan(0,0,2)));
Assert.That(guy.Position, Is.EqualTo(new Vector2(500, 999)));
guy.UpdateSprite(bounds, time.Increment(new TimeSpan(0, 0, 5)));
Assert.That(guy.Position, Is.EqualTo(new Vector2(500, 999)));
}
public void Should_bounce_at_edge()
{
var guy = new Guy();
var bounds = new Rectangle(0, 0, 1000, 1000);
guy.InitPosition(bounds);
guy.Handle(new KeyboardState(new[] { Keys.Down }));
guy.myTexture = new FakeTexture2D() {
OnHeight = ()=> 1,
OnWidth = ()=> 1
};
var positions = new List<Vector2>();
positions.Add(guy.Position);
var time = new SimulatedGameTime();
guy.UpdateSprite(bounds, time.Increment(new TimeSpan(0, 0, 5)));
positions.Add(guy.Position);
guy.UpdateSprite(bounds, time.Increment(new TimeSpan(0, 0, 5)));
positions.Add(guy.Position);
Assert.That(positions.ToArray(), Is.EquivalentTo(new[] { new Vector2(500, 1000), new Vector2(500, 999), new Vector2(500, 749) }));
}
public void The_bird_should_chase_the_guy()
{
var bounds = new Rectangle(0, 0, 1000, 1000);
var world = new WorldUnderTest();
var bird = world.bird;
bird.myTexture = new FakeTexture2D()
{
OnHeight = () => 1,
OnWidth = () => 1
};
var guy = world.guy;
guy.myTexture = new FakeTexture2D()
{
OnHeight = () => 1,
OnWidth = () => 1
};
world.Initialize(bounds);
var time = new SimulatedGameTime();
world.SpriteBatch = new EmptySpriteBatch();
double lastdistance = 10000;
for (int i = 0; i < 15; i++)
{
world.Update(time.Increment(new TimeSpan(0, 0, 1)));
var distance = guy.Position.Distance(bird.spritePosition);
Console.WriteLine(distance);
Assert.That(distance, Is.LessThanOrEqualTo(lastdistance));
lastdistance = distance;
}
}