private void _populate() { FillObstaclesWithArray(GetFunPlayField()); graph = GraphGenerator.FloodFill(world: this, startPosition: new Vector2D(50f, 50f)); GraphGenerator.SetNearestItems(this); Lion l1 = new Lion(new Vector2D(60f, 60f), this); Lion l2 = new Lion(new Vector2D(120, 100f), this); Gazelle g1 = new Gazelle(new Vector2D(200f, 200f), this); Gazelle g2 = new Gazelle(new Vector2D(250f, 250f), this); Gazelle g3 = new Gazelle(new Vector2D(300f, 300f), this); Entities.AddRange(new List <MovingEntity>() { g1, l1, g2, g3, l2 }); }