public IGameElement Create(LevelContext context, IList<IGameElement> elements, double timeDelta)
{
passedTime += timeDelta;
Food food = null;
if (passedTime >= foodCreationTimeInterval)
{
passedTime = 0.0d;
ResetTimer();
Vector2 newLocation;
do
{
newLocation = new Vector2(rand.Next(0, context.Settings.HorizontalTileCount - 1),
rand.Next(0, context.Settings.VerticalTileCount - 1));
}
while (context.IsCellEmpty(newLocation));
food = new Food(
aliveTime,
new Transform(
() => new Color(230, 126, 34),
() => AssetReference.WhitePixel,
() => Vector2.One,
() => newLocation,
() => 0.0f,
() => 0.0f));
food.SetDisposable(Disposable.Create(elements, food));
}
return food;
}
public void Handle(LevelContext context)
{
context.SnakeHead.Bind(context.TailSpawner.Spawn(context.
SnakeHead.
TailLocation
.AsVector2()));
context.Score++;
}
public void Update(LevelContext context, double deltaTime)
{
passedTime += deltaTime;
if (passedTime >= aliveTime)
{
disposable.Dispose();
}
if (transform.Location == context.SnakeHead.HeadGridLocation)
{
context.AddState(new AddTailState());
disposable.Dispose();
}
}
public Level(ILevelProvider levelProvider, Action next, Action restart)
{
this.levelProvider = levelProvider;
grid = levelProvider.Grid;
levelSettings = levelProvider.LevelSettings;
adjustmentRules = AdjustmentRules.Default(levelProvider.LevelSettings.HorizontalTileCount - 1,
levelProvider.LevelSettings.VerticalTileCount - 1);
context = new LevelContext(levelProvider.Head,
levelProvider.LevelSettings,
levelProvider.TailSpawner,
Direction.Left,
restart,
next,
location =>
{
bool intersects = grid[(int)location.X, (int)location.Y].Collide();
elements.ForEach(element => intersects|= element.Intersects(location));
return intersects;
},
levelProvider.LevelSettings.MaxLives);
elements.Add(levelProvider.Head);
}
public void Handle(LevelContext context)
{
context.Direction = direction;
}
private void CheckBodyCollision(SnakePiece piece, LevelContext context, Point locationToTest)
{
if (piece != null)
{
if (locationToTest == piece.location)
{
if (piece.hasMoved)
{
context.AddState(new DeathState());
}
}
CheckBodyCollision(piece.Tail,context, locationToTest);
}
}
public void Update(LevelContext context, double deltaTime)
{
CheckBodyCollision(Tail, context, location);
}