/// <summary>Calculates the squared distance between two TilePos instances.</summary>
/// <param name="value1">First TilePos.</param>
/// <param name="value2">Second TilePos.</param>
public static float DistanceSquared(TilePos value1, TilePos value2)
{
int num1 = value1.X - value2.X;
int num2 = value1.Y - value2.Y;
return(num1 * num1 + num2 * num2);
}
/// <summary>
/// Returns a TilePos object corresponding to the specified co-ordinate
/// </summary>
/// <param name="position">The position within the world. For a GameObject, pass in the co-ordinates of the object's origin.</param>
/// <returns>A TilePos that contains the specified co-ordinate</returns>
public static TilePos TilePosFromPosition(Vector2 position)
{
var intX = (int)position.X / Constants.TileLength;
var intY = (int)position.Y / Constants.TileLength;
var result = new TilePos(intX, intY);
return(result);
}
public bool Contains(TilePos tp)
{
var result =
this.TopLeft.X <= tp.X &&
tp.X < this.TopLeft.X + this.Width &&
this.TopLeft.Y <= tp.Y &&
tp.Y < this.TopLeft.Y + this.Height;
return(result);
}
/// <summary>
/// Returns a rectangle around this instance
/// </summary>
/// <param name="radius">The radius of tiles around this instance</param>
/// <returns>A new TileRect structure with this TilePos instance at its centre</returns>
public TileRect GetRectAroundPosition(int radius)
{
if (radius < 0)
{
throw new ArgumentOutOfRangeException(nameof(radius));
}
var topLeft = new TilePos(this.X - radius, this.Y - radius);
var diameter = radius * 2 + 1;
var result = new TileRect(topLeft, diameter, diameter);
return(result);
}
public void Add([NotNull] IGameObject gameObject)
{
if (gameObject == null)
{
throw new ArgumentNullException(nameof(gameObject));
}
if (!gameObject.IsExtant)
{
throw new ArgumentException("Cannot Add a non-extant object to the GameObjectCollection.");
}
TilePos tp = gameObject.TilePosition;
ref List <IGameObject> listOfStaticItem = ref this._gameObjects[tp.X, tp.Y];
public Grid(TilePos worldSize)
{
this._gameObjects = new List <IGameObject> [worldSize.X, worldSize.Y];
this._worldSize = worldSize;
}
public TileRect(TilePos topLeft, int width, int height)
{
this.TopLeft = topLeft;
this.Width = width;
this.Height = height;
}