/// <summary>
/// Creates a group of rooms by dividing the supplied Polygon perimeter by the quantity of supplied divisions along the orthogonal x and y axes. Room perimeters conform to fit within the supplied Polygon.
/// </summary>
/// <param name="perimeter">The Polygon to divide with a number of Room perimeters.</param>
/// <param name="xRooms">The quantity of Rooms along the x axis.</param>
/// <param name="yRooms">The quantity of Rooms along the y axis.</param>
/// <param name="name">An arbitrary string identifier for this RoomGroup.</param>
/// <returns>
/// A new RoomGroup.
/// </returns>
public RoomGroup(Polygon perimeter, int xRooms = 1, int yRooms = 1, string name = "")
{
Perimeter = new Polygon(perimeter.Vertices);
Name = name;
Box = new TopoBox(perimeter);
Rooms = new List <Room>();
var sizeX = Box.SizeX / xRooms;
var sizeY = Box.SizeY / yRooms;
var count = xRooms * yRooms;
for (int xIdx = 0; xIdx < xRooms; xIdx++)
{
var xCoord = Box.SW.X + (xIdx * sizeX);
for (int yIdx = 0; yIdx < yRooms; yIdx++)
{
var yCoord = Box.SW.Y + (yIdx * sizeY);
var polygon = Shaper.PolygonBox(sizeX, sizeY);
polygon = polygon.MoveFromTo(new Vector3(), new Vector3(xCoord, yCoord)).Intersection(perimeter).First();
var room = new Room()
{
Color = Palette.Aqua,
Perimeter = polygon
};
Rooms.Add(room);
}
}
}
/// <summary>
/// Attempts to place a Room perimeter on the next open segment of the Row.
/// </summary>
/// <param name="room">The Room from which to derive the Polygon to place.</param>
/// <returns>
/// True if the room was successfully placed.
/// </returns>
private bool AddToRow(Room room, IList <Polygon> among)
{
var polygon = RoomPerimeter(room);
var box = new TopoBox(polygon);
var t = new Transform();
var delta = 0.0;
if (box.SizeX <= AvailableLength)
{
t.Rotate(Vector3.ZAxis, angle);
delta = box.SizeX;
}
else if (box.SizeY <= AvailableLength)
{
t.Rotate(Vector3.ZAxis, angle + 90);
delta = box.SizeY;
}
else
{
return(false);
}
polygon = polygon.Transform(t);
polygon = polygon.MoveFromTo(new Vector3(), mark);
if (among != null && polygon.Intersects(among))
{
return(false);
}
mark = Row.PointAt((mark.DistanceTo(Row.Start) + delta) / Row.Length);
room.Perimeter = polygon;
Rooms.Add(room);
return(true);
}
/// <summary>
/// Creates an orthogonal 2D grid of Vector3 points from the supplied Polygon and axis intervals.
/// </summary>
/// <param name="perimeter">The Polygon boundary of the point grid.</param>
/// <param name="xInterval">The spacing of the grid along the x-axis.</param>
/// <param name="yInterval">The spacing of the grid along the y-axis.</param>
/// <returns>
/// A new CoordGrid.
/// </returns>
public CoordGrid(Polygon polygon, double xInterval = 1, double yInterval = 1, int randomSeed = 1)
{
random = new Random(randomSeed);
Allocated = new List <Vector3>();
Available = new List <Vector3>();
Perimeter = new Polygon(polygon.Vertices);
var box = new TopoBox(polygon);
var x = box.SW.X;
var y = box.SW.Y;
while (y <= box.NW.Y)
{
while (x <= box.SE.X)
{
var point = new Vector3(x, y);
if (polygon.Contains(point) || polygon.Touches(point))
{
Available.Add(point);
}
x += xInterval;
}
x = box.SW.X;
y += yInterval;
}
}
public RoomGroup(Polygon perimeter, string name = "")
{
Perimeter = new Polygon(perimeter.Vertices);
Name = name;
Box = new TopoBox(perimeter);
Rooms = new List <Room>();
Row = null;
}
/// <summary>
/// Returns a list of Vector3 points representig the corners of the Polygon's orthogonal bounding box.
/// </summary>
public static List <Vector3> BoxCorners(this Polygon polygon)
{
var box = new TopoBox(polygon);
return(new List <Vector3>
{
box.SW,
box.SE,
box.NE,
box.NW
});
}
/// <summary>
/// Creates a rectilinear Polygon in the specified adjacent quadrant to the supplied Polygon.
/// </summary>
/// <param name="area">The area of the new Polygon.</param>
/// <param name="orient">The relative direction in which the new Polygon will be placed.</param>
/// <returns>
/// A new Polygon.
/// </returns>
public static Polygon AdjacentArea(this Polygon polygon, double area, Orient orient)
{
var box = new TopoBox(polygon);
double sizeX = 0.0;
double sizeY = 0.0;
if (orient == Orient.N || orient == Orient.S)
{
sizeX = box.SizeX;
sizeY = area / box.SizeX;
}
else
{
sizeX = area / box.SizeY;
sizeY = box.SizeY;
}
Vector3 origin = null;
switch (orient)
{
case Orient.N:
origin = box.NW;
break;
case Orient.E:
origin = box.SE;
break;
case Orient.S:
origin = new Vector3(box.SW.X, box.SW.Y - sizeY);
break;
case Orient.W:
origin = new Vector3(box.SW.X - sizeX, box.SW.Y);
break;
}
return
(new Polygon
(
new List <Vector3>
{
origin,
new Vector3(origin.X + sizeX, origin.Y),
new Vector3(origin.X + sizeX, origin.Y + sizeY),
new Vector3(origin.X, origin.Y + sizeY)
}
));
}
public RoomGroup()
{
Name = "";
Perimeter =
new Polygon
(
new List <Vector3>
{
new Vector3(0.0, 0.0),
new Vector3(0.0, 10.0),
new Vector3(10.0, 10.0),
new Vector3(0.0, 10.0)
}
);
Box = new TopoBox(Perimeter);
Rooms = new List <Room>();
Row = null;
}
/// <summary>
/// Tests if the supplied Polygon resides in a corner of a Polygon perimeter.
/// </summary>
/// <param name="polygon">The Polygon to test.</param>
/// <param name="perimeter">The Polygon to test against.</param>
/// <returns>
/// Returns true if exactly three of the polygon bounding box points fall on the Polygon perimeter bounding box.
/// </returns>
public static bool AtCorner(this Polygon polygon, Polygon perimeter)
{
var count = 0;
var box = new TopoBox(perimeter);
var boundary = Shaper.PolygonBox(box.SizeX, box.SizeY).MoveFromTo(Vector3.Origin, box.SW);
foreach (Vector3 vertex in BoxCorners(polygon))
{
if (boundary.Touches(vertex))
{
count++;
}
}
if (count != 3)
{
return(false);
}
return(true);
}
/// <summary>
/// Clears the current Rooms list and creates new Rooms defined by orthogonal x- and y-axis divisions of the RoomGroup Perimeter.
/// </summary>
/// <param name="xRooms">The quantity of Rooms along orthogonal x-axis. Must be positive.</param>
/// <param name="yRooms">The quantity of Rooms along orthogonal y-axis. Must be positive.</param>
/// <returns>
/// True if the Rooms are created.
/// </returns>
public bool RoomsByDivision(int xRooms = 1, int yRooms = 1, double height = 3.0, string name = "")
{
if (Perimeter == null || xRooms < 1 || yRooms < 1 || height <= 0.0)
{
return(false);
}
var sizeX = SizeX / xRooms;
var sizeY = SizeY / yRooms;
var count = xRooms * yRooms;
var box = new TopoBox(Perimeter);
var newRooms = new List <Room>();
for (int xIdx = 0; xIdx < xRooms; xIdx++)
{
var xCoord = box.SW.X + (xIdx * sizeX);
for (int yIdx = 0; yIdx < yRooms; yIdx++)
{
var yCoord = box.SW.Y + (yIdx * sizeY);
var polygon = Shaper.Rectangle(sizeX, sizeY);
polygon = polygon.MoveFromTo(Vector3.Origin, new Vector3(xCoord, yCoord)).Intersection(Perimeter).First();
var room = new Room()
{
Height = height,
Name = name,
Perimeter = polygon
};
newRooms.Add(room);
}
}
if (newRooms.Count == 0)
{
return(false);
}
Rooms.Clear();
Rooms.AddRange(newRooms);
return(true);
}
/// <summary>
/// Attempts to place a Room perimeter on the next open segment of the Row, with optional restrictions of a perimeter within which the Room's perimeter must fit and a list of Polygons which it cannot intersect.
/// </summary>
/// <param name="room">The Room from which to derive the Polygon to place.</param>
/// <param name="within">The optional Polygon perimeter within which a new Room must fit.</param>
/// <param name="among">The optional list of Polygon perimeters the new Room cannot intersect.</param>
/// <param name="circ">The optional additional allowance opposite the Row to allow for circulation to the Rooms.</param>
/// <returns>
/// True if the room was successfully placed.
/// </returns>
public bool AddRoom(Room room, Polygon within = null, IList <Polygon> among = null, double circ = 2.0)
{
if (room == null)
{
return(false);
}
circ = Math.Abs(circ);
var polygon = room.MakePerimeter();
var box = new TopoBox(polygon);
var delta = 0.0;
var newDepth = 0.0;
var circDepth = 0.0;
var rotation = angle;
if (box.SizeX <= AvailableLength)
{
delta = box.SizeX;
newDepth = box.SizeY;
circDepth = box.SizeY + circ;
}
else if (box.SizeY <= AvailableLength)
{
polygon = polygon.MoveFromTo(box.NW, box.SW);
delta = box.SizeY;
newDepth = box.SizeX;
circDepth = box.SizeX + circ;
rotation += 90;
}
else
{
return(false);
}
var t = new Transform();
t.Rotate(Vector3.ZAxis, rotation);
var chkCirc =
new Polygon(
new []
{
new Vector3(),
new Vector3(delta, 0.0),
new Vector3(delta, circDepth),
new Vector3(0.0, circDepth)
});
chkCirc = t.OfPolygon(chkCirc).MoveFromTo(new Vector3(), mark);
if (!chkCirc.Fits(within, among))
{
if (Rooms.Count == 0)
{
mark = Row.PointAt(Math.Abs(mark.DistanceTo(Row.Start) + delta) / Row.Length());
}
return(false);
}
polygon = t.OfPolygon(polygon).MoveFromTo(new Vector3(), mark);
if (!polygon.Fits(within, among))
{
if (Rooms.Count == 0)
{
mark = Row.PointAt(Math.Abs(mark.DistanceTo(Row.Start) + delta) / Row.Length());
}
return(false);
}
mark = Row.PointAt(Math.Abs(mark.DistanceTo(Row.Start) + delta) / Row.Length());
if (newDepth > Depth)
{
Depth = newDepth;
}
var dpt = Depth + circ;
var line1 = new Line(box.SW, new Vector3(0.0, dpt));
line1 = line1.Rotate(box.SW, rotation).MoveFromTo(new Vector3(), Row.Start);
var line2 = new Line(box.SW, new Vector3(0.0, dpt));
line2 = line2.Rotate(box.SW, rotation).MoveFromTo(new Vector3(), mark);
circulation = new Polygon(new [] { Row.Start, mark, line2.End, line1.End });
room.Perimeter = polygon;
Rooms.Add(room);
return(true);
}