protected override void OnInitialize(List <Entity> entities)
{
var snake = SnakeGame.Instance.GameService <GameData>().Snake;
var entity = new SnakePartEntity {
Position = snake.Head.Position
};
entities.Add(entity);
}
protected override void OnProcess(List <Entity> entities, int width, int height)
{
if (_food == null)
{
_food = new Food();
_food.Position = new Position();
_food.Position.X = new Random().Next(0, _width);
_food.Position.Y = new Random().Next(0, _height);
var entity = new FoodEntity();
entity.Position = _food.Position;
entity.Initialize();
entities.Add(entity);
}
else
{
var bodyPart = _snake.Eat(_food);
if (bodyPart == null)
{
return;
}
_food = null;
var foodEntity = entities.OfType <FoodEntity>().First();
entities.Remove(foodEntity);
var bodyPartEntity = new SnakePartEntity {
Position = bodyPart.Position
};
bodyPartEntity.Initialize();
entities.Add(bodyPartEntity);
}
}