void Triangulate()
{
List <Vector2> points = new List <Vector2>();
List <uint> colors = new List <uint>();
Vector2 min = Vector2.positiveInfinity;
Vector2 max = Vector2.zero;
foreach (GeneratorCell c in cells)
{
if (c.isMainRoom)
{
colors.Add(0);
points.Add(new Vector2(c.posX + (c.width / 2), c.posY + (c.height / 2)));
min.x = Mathf.Min(c.posX, min.x);
min.y = Mathf.Min(c.posY, min.y);
max.x = Mathf.Max(c.posX, max.x);
max.y = Mathf.Max(c.posY, max.y);
}
}
Voronoi v = new Voronoi(points, colors, new Rect(min.x, min.y, max.x, max.y));
delaunayLines = v.DelaunayTriangulation();
spanningTree = v.SpanningTree(KruskalType.MINIMUM);
}
private void Demo()
{
GenerateSimplexPlane();
m_points = new List <Vector2>();
m_colors = new List <uint>();
for (int i = 0; i < m_pointCount; i++)
{
m_colors.Add(RandomUintColor());
m_points.Add(new Vector2(
UnityEngine.Random.Range(0, m_mapWidth),
UnityEngine.Random.Range(0, m_mapHeight))
);
}
//Delaunay.Voronoi v = new Delaunay.Voronoi (m_points, m_colors, new Rect (0, 0, m_mapWidth, m_mapHeight));
m_voronoi = new Delaunay.Voronoi(m_points, m_colors, new Rect(0, 0, m_mapWidth, m_mapHeight));
//m_edges = v.VoronoiDiagram();
m_edges = m_voronoi.VoronoiDiagram();
m_spanningTree = m_voronoi.SpanningTree(KruskalType.MINIMUM);
m_delaunayTriangulation = m_voronoi.DelaunayTriangulation();
tmpVBoundary = m_voronoi.VoronoiBoundaryForSite(m_points[0]);
//DrawVoronoiPolygon(m_points[0]);
AssignSimplexColors();
}
void Calculate()
{
List <uint> colors = new List <uint>();
MainRooms = new Dictionary <Vector2, Room>();
//Get a point list of all our main rooms
for (int n = 0; n < Rooms.Count; n++)
{
if (Rooms[n].IsMainRoom)
{
Points.Add(Rooms[n].Center);
colors.Add(0);
if (!MainRooms.ContainsKey(Rooms[n].Center))
{
MainRooms.Add(Rooms[n].Center, Rooms[n]);
}
}
}
//Calculate min spanning tree
Voronoi v = new Voronoi(Points, colors, new Rect(0, 0, 50, 50));
SpanningTree = v.SpanningTree(KruskalType.MINIMUM);
DelaunayTriangulation = v.DelaunayTriangulation();
//Add room connections
GenerateSpanningTree(true);
ProcessRoomConnections(false);
SetStartAndEndRooms();
//Calculate boundaries
XMin = float.MaxValue;
YMin = float.MaxValue;
XMax = float.MinValue;
YMax = float.MinValue;
for (int n = 0; n < Rooms.Count; n++)
{
if (Rooms[n].IsVisible)
{
XMin = Mathf.Min(XMin, Rooms[n].TopLeft.x);
XMax = Mathf.Max(XMax, Rooms[n].BottomRight.x);
YMin = Mathf.Min(YMin, Rooms[n].BottomRight.y);
YMax = Mathf.Max(YMax, Rooms[n].TopLeft.y);
}
}
OnRoomsGenerated();
}
private void Demo()
{
List <uint> colors = new List <uint> ();
m_points = new List <Vector2> ();
for (int i = 0; i < m_pointCount; i++)
{
colors.Add(0);
m_points.Add(new Vector2(
UnityEngine.Random.Range(2, m_mapWidth - 2),
UnityEngine.Random.Range(2, m_mapHeight - 2))
);
}
v = new Delaunay.Voronoi(m_points, colors, new Rect(0, 0, m_mapWidth, m_mapHeight));
m_edges = v.VoronoiDiagram();
m_spanningTree = v.SpanningTree(KruskalType.MINIMUM);
m_delaunayTriangulation = v.DelaunayTriangulation();
m_regions = v.Regions();
// m_test = v.VoronoiBoundaryForSite(m_points[0]);
// m_vector2 = v.HullPointsInOrder();
// m_test = v.HullEdgesTest();
m_test = v.Hull();
// render();
generateData();
renderMapData();
// var p = m_points[0];
// var list_point = v.VoronoiBoundaryForSite(p);
// foreach (var lineSegment in list_point)
// {
// Debug.Log($"({lineSegment.p0.Value.x},{lineSegment.p0.Value.y})({lineSegment.p1.Value.x},{lineSegment.p1.Value.y})");
// }
//
// var center = getMapCenter(p);
// var list_vec = center.edges;
// foreach (var mapEdge in list_vec)
// {
// Debug.Log($"e({mapEdge.p0.x},{mapEdge.p0.y})({mapEdge.p1.x},{mapEdge.p1.y})");
//
// }
//
// var list_p =sortBound(list_vec);
// foreach (var vector2 in list_p)
// {
// Debug.Log(vector2);
// }
}
private void Button_Click(object sender, RoutedEventArgs ea)
{
Random rand = new Random();
List <Point> points = new List <Point>();
for (int i = 0; i < 60; i++)
{
points.Add(new Point((float)(rand.NextDouble() * brect.ActualWidth), (rand.NextDouble() * brect.ActualHeight)));
}
Voronoi v = new Voronoi(points, colors, new Rect(0, 0, brect.ActualWidth, brect.ActualHeight));
using (var r = Dots.RenderOpen())
{
foreach (var p in points)
{
r.DrawEllipse(Brushes.Teal, null, p, 3, 3);
}
}
using (var r = Edges.RenderOpen())
{
foreach (var l in v.VoronoiDiagram())
{
r.DrawLine(new Pen(Brushes.Black, 1), l.p0.Value, l.p1.Value);
}
foreach (var l in v.DelaunayTriangulation())
{
r.DrawLine(new Pen(Brushes.Azure, 1), l.p0.Value, l.p1.Value);
}
}
using (var r = Colors.RenderOpen())
{
int indx = 0;
foreach (var l in v.Regions())
{
StreamGeometry poly = new StreamGeometry();
using (var g = poly.Open())
{
g.BeginFigure(l[0], true, true);
g.PolyLineTo(l.Select(p => (Point)p).ToList(), false, false);
}
r.DrawGeometry(new SolidColorBrush(colors[indx % colors.Count]), null, poly);
indx++;
}
}
}
void GenerateDiagram()
{
voronoi = new Voronoi(map_points, new Rect(0, 0, mapWidth, mapHeight), relaxations);
map_edges = voronoi.VoronoiDiagram();
if (relaxations > 0)
{
map_points = voronoi.SiteCoordinates();
}
//map_spanningTree = voronoi.SpanningTree(KruskalType.MINIMUM);
map_delaunayTriangulation = voronoi.DelaunayTriangulation();
}
private void TriangulateAndBuildTree()
{
List <uint> colors = new List <uint>();
List <Vector2> points = new List <Vector2>();
roomConnectionTree = new List <LineSegment>();
delaunayTriangulation = new List <LineSegment>();
connectionDictionary = new Dictionary <Vector2, Room>();
foreach (Room room in dungeonGenerator.dungeonRooms)
{
connectionDictionary.Add(room.GetCenter(), room);
points.Add(room.GetCenter());
colors.Add(0);
}
Voronoi voroni = new Voronoi(points, colors, new Rect(0, 0, 50, 50));
roomConnectionTree = voroni.SpanningTree(KruskalType.MINIMUM);
delaunayTriangulation = voroni.DelaunayTriangulation();
}
void GenerateTriangles()
{
var colors = new List <uint>();
for (int i = 0; i < points.Count; ++i)
{
colors.Add(0);
}
var rect = new Rect(0, 0, graph.size.x, graph.size.y);
Voronoi v = new Voronoi(points, colors, rect);
var delaunayTriangulation = v.DelaunayTriangulation();
var resolver = new TriangleResolver(graph.size);
for (int i = 0; i < delaunayTriangulation.Count; ++i)
{
var p0 = (Vector2)delaunayTriangulation[i].p0;
var p1 = (Vector2)delaunayTriangulation[i].p1;
resolver.AddEdge(p0, p1);
}
resolver.Resolve();
triangles = resolver.Triangles;
}
IEnumerator Create()
{
#region Create Random Size & Pos Rooms
int counter = 0;
int roomAmount = 25;
int widthSum = 0;
int heightSum = 0;
while (counter < roomAmount)
{
Room room = CreateRandRoom();
room.name = counter.ToString();
rooms.Add(room);
counter++;
// sum width/height
widthSum += room.Width;
heightSum += room.Height;
yield return(new WaitForSeconds(0.05f));
}
#endregion
#region Remove Small Rooms
float widthMean = widthSum / roomAmount;
float heightMean = heightSum / roomAmount;
yield return(new WaitForSeconds(4));
for (int i = 0; i < rooms.Count; i++)
{
//rooms[i].RemovePhysics();
rooms [i].ResetRect();
if (rooms [i].Width < widthMean || rooms [i].Height < heightMean)
{
Destroy(rooms [i].gameObject);
rooms.Remove(rooms [i]);
i--;
}
}
yield return(new WaitForSeconds(0.5f));
#endregion
#region Create room connection using DelaunayTriangles
_points = new List <Vector2> ();
for (int i = 0; i < rooms.Count; i++)
{
_points.Add(rooms [i].Position);
}
Rect rect = GetMinRect(rooms);
Voronoi v = new Voronoi(_points, null, rect);
_edges = v.VoronoiDiagram();
_spanningTree = v.SpanningTree(KruskalType.MINIMUM);
_delaunayTriangulation = v.DelaunayTriangulation();
#endregion
#region Extra Loop Connection
int maxExtraPathAmt = (int)(_delaunayTriangulation.Count * 0.1f);
int rand = Random.Range(1, maxExtraPathAmt);
Debug.Log(rand);
while (rand > 0)
{
int randIndex = Random.Range(0, _delaunayTriangulation.Count);
if (_spanningTree.Contains(_delaunayTriangulation [randIndex]))
{
continue;
}
else
{
_spanningTree.Add(_delaunayTriangulation [randIndex]);
rand--;
}
}
yield return(new WaitForSeconds(0.5f));
#endregion
#region Create HallWays
for (int i = 0; i < _spanningTree.Count; i++)
{
yield return(new WaitForSeconds(0.2f));
Room room0 = GetRoomFromPos(_spanningTree [i].p0);
Room room1 = GetRoomFromPos(_spanningTree [i].p1);
Debug.Log("Creating Hallway Between " + room0.name + " " + room1.name);
float xDistance = Mathf.Abs(room0.Position.x - room1.Position.x);
float yDistance = Mathf.Abs(room0.Position.y - room1.Position.y);
float xMidPointDistance = xDistance / 2;
float yMidPointDistance = yDistance / 2;
#region Close in X-Axis
// mid x point is inside of both rects
if (room0.Position.x + xMidPointDistance < room0.rectMaxX && // removed equal sign ==> 避免房间刚好快要重叠，防止做路径时麻烦，因为路径瓦片可能会刚好在网格线上
room1.Position.x + xMidPointDistance < room1.rectMaxX)
{
Vector2 startPoint = Vector2.zero;
Vector2 endPoint = Vector2.zero;
// room0 above room1
if (room0.Position.y >= room1.Position.y)
{
// room0 left to room1
if (room0.Position.x <= room1.Position.x)
{
startPoint.Set(room0.Position.x + xMidPointDistance, room0.rectMinY);
endPoint.Set(room1.Position.x - xMidPointDistance, room1.rectMaxY);
}
// room1 left to room0
else if (room0.Position.x > room1.Position.x)
{
startPoint.Set(room0.Position.x - xMidPointDistance, room0.rectMinY);
endPoint.Set(room1.Position.x + xMidPointDistance, room1.rectMaxY);
}
}
// room1 above room0
else if (room0.Position.y < room1.Position.y)
{
// room0 left to room1
if (room0.Position.x <= room1.Position.x)
{
startPoint.Set(room0.Position.x + xMidPointDistance, room0.rectMaxY);
endPoint.Set(room1.Position.x - xMidPointDistance, room1.rectMinY);
}
// room1 left to room0
else if (room0.Position.x > room1.Position.x)
{
startPoint.Set(room0.Position.x - xMidPointDistance, room0.rectMaxY);
endPoint.Set(room1.Position.x + xMidPointDistance, room1.rectMinY);
}
}
#endregion
// create vertical line
HallWay hallway = new HallWay(startPoint, endPoint, room0, room1);
_hallways.Add(hallway);
room0.AddHallWay(hallway);
Debug.Log("##CloseXAxis created hallway from " + startPoint + " to " + endPoint + " between " + room0.name + " " + room1.name);
}
#region Close In Y-Axis
// mid y point is inside of both rects
else if (room0.Position.y + yMidPointDistance < room0.rectMaxY &&
room1.Position.y + yMidPointDistance < room1.rectMaxY)
{
Vector2 startPoint = Vector2.zero;
Vector2 endPoint = Vector2.zero;
// room0 above room1
if (room0.Position.y >= room1.Position.y)
{
// room0 left to room1
if (room0.Position.x <= room1.Position.x)
{
startPoint.Set(room0.rectMaxX, room0.Position.y - yMidPointDistance);
endPoint.Set(room1.rectMinX, room1.Position.y + yMidPointDistance);
}
// room1 left to room0
else if (room0.Position.x > room1.Position.x)
{
startPoint.Set(room0.rectMinX, room0.Position.y - yMidPointDistance);
endPoint.Set(room1.rectMaxX, room1.Position.y + yMidPointDistance);
}
}
// room1 above room0
else if (room0.Position.y < room1.Position.y)
{
// room0 left to room1
if (room0.Position.x <= room1.Position.x)
{
startPoint.Set(room0.rectMaxX, room0.Position.y + yMidPointDistance);
endPoint.Set(room1.rectMinX, room1.Position.y - yMidPointDistance);
}
// room1 left to room0
else if (room0.Position.x > room1.Position.x)
{
startPoint.Set(room0.rectMinX, room0.Position.y + yMidPointDistance);
endPoint.Set(room1.rectMaxX, room1.Position.y - yMidPointDistance);
}
}
// create vertical line
HallWay hallway = new HallWay(startPoint, endPoint, room0, room1);
_hallways.Add(hallway);
room0.AddHallWay(hallway);
Debug.Log("##CloseYAxis created hallway from " + startPoint + " to " + endPoint + " between " + room0.name + " " + room1.name);
}
#endregion
#region Far In Both Axis
// create L shape hall way
else
{
Vector2 startPoint = Vector2.zero;
Vector2 turnPoint = Vector2.zero;
Vector2 endPoint = Vector2.zero;
// room0 above room1
if (room0.Position.y >= room1.Position.y)
{
// room0 left to room1
if (room0.Position.x <= room1.Position.x)
{
startPoint.Set(room0.rectMaxX, room0.Position.y);
turnPoint.Set(room0.Position.x + xDistance, room0.Position.y);
endPoint.Set(room1.Position.x, room1.rectMaxY);
#region Check If Line Collider With Other Room
if (LineHasCollision(startPoint, turnPoint, room0.Collider)
||
LineHasCollision(turnPoint, endPoint, room1.Collider))
{
// go other way
startPoint.Set(room0.Position.x, room0.rectMinY);
turnPoint.Set(room0.Position.x, room0.Position.y - yDistance);
endPoint.Set(room1.rectMinX, room1.Position.y);
Debug.Log("go other way");
}
// still has collision, delete this segment from spanning tree
if (LineHasCollision(startPoint, turnPoint, room0.Collider)
||
LineHasCollision(turnPoint, endPoint, room1.Collider))
{
Debug.Log("still collision, remove path");
_spanningTree.RemoveAt(i);
i--;
continue;
}
#endregion
}
// room1 left to room0
else if (room0.Position.x > room1.Position.x)
{
startPoint.Set(room0.rectMinX, room0.Position.y);
turnPoint.Set(room0.Position.x - xDistance, room0.Position.y);
endPoint.Set(room1.Position.x, room1.rectMaxY);
#region Check If Line Collider With Other Room
if (LineHasCollision(startPoint, turnPoint, room0.Collider)
||
LineHasCollision(turnPoint, endPoint, room1.Collider))
{
// go other way
startPoint.Set(room0.Position.x, room0.rectMinY);
turnPoint.Set(room0.Position.x, room0.Position.y - yDistance);
endPoint.Set(room1.rectMaxX, room1.Position.y);
Debug.Log("go other way");
}
// still has collision, delete this segment from spanning tree
if (LineHasCollision(startPoint, turnPoint, room0.Collider)
||
LineHasCollision(turnPoint, endPoint, room1.Collider))
{
Debug.Log("still collison, delete path");
_spanningTree.RemoveAt(i);
i--;
continue;
}
#endregion
}
}
// room1 above room0
else if (room0.Position.y < room1.Position.y)
{
// room0 left to room1
if (room0.Position.x <= room1.Position.x)
{
startPoint.Set(room0.Position.x, room0.rectMaxY);
turnPoint.Set(room0.Position.x, room0.Position.y + yDistance);
endPoint.Set(room1.rectMinX, room1.Position.y);
#region Check If Line Collider With Other Room
if (LineHasCollision(startPoint, turnPoint, room0.Collider)
||
LineHasCollision(turnPoint, endPoint, room1.Collider))
{
// go other way
startPoint.Set(room0.rectMaxX, room0.Position.y);
turnPoint.Set(room0.Position.x + xDistance, room0.Position.y);
endPoint.Set(room1.Position.x, room1.rectMinY);
Debug.Log("go other way");
}
// still has collision, delete this segment from spanning tree
if (LineHasCollision(startPoint, turnPoint, room0.Collider)
||
LineHasCollision(turnPoint, endPoint, room1.Collider))
{
Debug.Log("still collision, delete path");
_spanningTree.RemoveAt(i);
i--;
continue;
}
#endregion
}
// room1 left to room0
else if (room0.Position.x > room1.Position.x)
{
startPoint.Set(room1.rectMaxX, room1.Position.y);
turnPoint.Set(room1.Position.x + xDistance, room1.Position.y);
endPoint.Set(room0.Position.x, room0.rectMaxY);
#region Check If Line Collider With Other Room
if (LineHasCollision(startPoint, turnPoint, room1.Collider)
||
LineHasCollision(turnPoint, endPoint, room0.Collider))
{
// go other way
startPoint.Set(room1.Position.x, room1.rectMinY);
turnPoint.Set(room1.Position.x, room1.Position.y - yDistance);
endPoint.Set(room0.rectMinX, room0.Position.y);
Debug.Log("go other way");
}
// still has collision, delete this segment from spanning tree
if (LineHasCollision(startPoint, turnPoint, room1.Collider)
||
LineHasCollision(turnPoint, endPoint, room0.Collider))
{
Debug.Log("still collision, delete path");
_spanningTree.RemoveAt(i);
i--;
continue;
}
#endregion
}
}
// create vertical line
LHallWay hallway = new LHallWay(startPoint, turnPoint, endPoint, room0, room1);
_hallways.Add(hallway);
room0.AddHallWay(hallway);
Debug.Log("##Lshape created hallway from " + startPoint + " to " + turnPoint + " to " + endPoint + " between " + room0.name + " " + room1.name);
}
#endregion
}
#endregion
#region Remove Physics
for (int i = 0; i < rooms.Count; i++)
{
rooms [i].RemovePhysics();
}
#endregion
#region Create Tiles
for (int i = 0; i < rooms.Count; i++)
{
rooms [i].Fill();
yield return(new WaitForSeconds(0.2f));
}
//for (int i = 0; i < _hallways.Count; i++) {
// _hallways [i].Fill ();
// yield return new WaitForSeconds (0.2f);
//}
#endregion
}
private void DrawDelaunay()
{
List <LineSegment> delaunay = voronoi.DelaunayTriangulation();
DrawLineSegments(delaunay, Color.red);
}
private void CreateVoronoiDiagram()
{
double width = Application.Current.MainWindow.Width;
double height = Application.Current.MainWindow.Height;
List <Color> colors = ColorUtils.GenerateRandomColors(MaxPoints);
List <Point> points = CreateRandomPoints(width, height);
_voronoi = new Voronoi(points, colors, new Rect(0, 0, width, height));
foreach (LineSegment lineSegment in _voronoi.VoronoiDiagram())
{
if (!lineSegment.P0.HasValue || !lineSegment.P1.HasValue)
{
continue;
}
ShapeSegments.Add(new Line
{
X1 = lineSegment.P0.Value.X,
X2 = lineSegment.P1.Value.X,
Y1 = lineSegment.P0.Value.Y,
Y2 = lineSegment.P1.Value.Y,
Stroke = new SolidColorBrush(Colors.Black),
StrokeThickness = 1
});
}
int index = 0;
foreach (List <Point> point in _voronoi.Regions())
{
Polygon polygon = new Polygon
{
Stroke = new SolidColorBrush(Colors.Black),
StrokeThickness = 1,
Fill = new SolidColorBrush(colors[index % colors.Count]),
Points = new PointCollection(point)
};
ShapeSegments.Add(polygon);
index++;
}
foreach (LineSegment lineSegment in _voronoi.DelaunayTriangulation())
{
if (!lineSegment.P0.HasValue || !lineSegment.P1.HasValue)
{
continue;
}
ShapeSegments.Add(new Line
{
X1 = lineSegment.P0.Value.X,
X2 = lineSegment.P1.Value.X,
Y1 = lineSegment.P0.Value.Y,
Y2 = lineSegment.P1.Value.Y,
Stroke = new SolidColorBrush(Colors.Azure),
StrokeThickness = 1
});
}
foreach (Point point in points)
{
var ellipse = new Ellipse
{
Stroke = new SolidColorBrush(Colors.OrangeRed),
StrokeThickness = 5
};
Canvas.SetLeft(ellipse, point.X - ellipse.StrokeThickness / 2);
Canvas.SetTop(ellipse, point.Y - ellipse.StrokeThickness / 2);
ShapeSegments.Add(ellipse);
}
}