void Fracture(Vector2 center)
{
vec3center = new Vector3(center.x, center.y);
print("Generating sites around " + center.ToString("F3"));
var sites = VoronoiHelpers.GenerateSites(canvasSize, 30, center);
drawSites(sites);
var points = new List <VoronoiLib.Structures.FortuneSite>();
foreach (var site in sites)
{
// move all input points to Quadrant 1
var offsetSite = site;
points.Add(new VoronoiLib.Structures.FortuneSite(offsetSite.x, offsetSite.y));
}
//FortunesAlgorithm.Run(points, min x, min y, max x, max y)
LinkedList <VoronoiLib.Structures.VEdge> cuttingEdges = VoronoiLib.FortunesAlgorithm.Run(points, 0, 0, 800, 800);
// HERE !@!@$@!%$@!%
var delaunay = VoronoiHelpers.GenerateDelaunay(points);
StartCoroutine(DrawVoronoiCoroutine(cuttingEdges));
// StartCoroutine(DrawDelaunayCoroutine(delaunay));
// Make a copy of the original mesh
var workingMesh = MeshTools.Clone(mesh);
// Disable the orginal mesh
// mesh.Clear();
// this.GetComponent<Renderer>().enabled = false;
int i = 0;
// Sutherland–Hodgman algorithm for slicing concave shapes
foreach (var point in points)
{
// Duplicate the working mesh
var piece = MeshTools.Clone(workingMesh);
print("Cutting piece " + i + ", " + point.Neighbors.Count + " neighbors.");
foreach (var neighbor in point.Neighbors)
{
// Find the perpendicular bisector and slice
var a = new Vector2((float)point.X, (float)point.Y);
var b = new Vector2((float)neighbor.X, (float)neighbor.Y);
var bisector = VoronoiHelpers.PerpendicularBisector(a, b);
// Keep vertices from this side of the bisector line
try {
TempMesh temp = MeshTools.Cut(piece, bisector, center);
MeshTools.ReplaceMesh(mesh, temp);
print("SUCCESS");
} catch (UnityException e) {
print(e.ToString());
}
// Fill the hole
// MeshTools.FillHoles(piece);
// Now we have the final chunk, save it to a new GameObject
// var g = MeshTools.Export(temp, "Piece " + i);
// MeshTools.ReplaceMesh(mesh, temp);
// break;
}
// Instantiate(g, g.transform.position, Quaternion.identity);
i++;
break;
}
mesh = workingMesh;
print("length: " + points.Count);
}