void RegenerateLines()
{
foreach (var line in lines)
{
Destroy(line);
}
lines.Clear();
var triangles = BowyerWatson.Triangulate(points);
var graph = new HashSet <Edge>();
foreach (var triangle in triangles)
{
graph.UnionWith(triangle.edges);
}
var tree = Kruskal.MinimumSpanningTree(graph);
foreach (var edge in tree)
{
Vector3 p1 = new Vector3(edge.a.x, edge.a.y);
Vector3 p2 = new Vector3(edge.b.x, edge.b.y);
var line = new GameObject();
var lineRenderer = line.AddComponent <LineRenderer>();
lineRenderer.material = lineMaterial;
lineRenderer.SetPosition(0, p1);
lineRenderer.SetPosition(1, p2);
lines.Add(line);
}
}
public WorleyNoise.CellProfile GetCellProfile(NativeArray <WorleyNoise.CellData> nineCells, WorleyNoise.CellData cell)
{
this.cellPosition = cell.position;
this.triangles = bowyerWatson.Triangulate(nineCells);
SortTrianglesClockwise();
this.cellVertices = new NativeList <float3>(Allocator.Temp);
this.adjacentCells = new NativeList <WorleyNoise.CellDataX2>(Allocator.Temp);
this.vertexRotations = new NativeList <float>(Allocator.Temp);
GetCellVerticesAndAdjacentCells();
WorldToLocalVertexPositions();
var cellProfile = new WorleyNoise.CellProfile();
cellProfile.data = cell;
cellProfile.vertices = new NineValues <float3>(cellVertices);
cellProfile.adjacentCells = new NineValues <WorleyNoise.CellDataX2>(adjacentCells);
cellProfile.vertexRotations = new NineValues <float>(vertexRotations);
triangles.Dispose();
cellVertices.Dispose();
adjacentCells.Dispose();
return(cellProfile);
}
void PointTesselation()
{
int scale = 7;
var pointsToTriangulate = new List <PositionWrapper>();
float3 up = new float3(0, 0, 0.5f);
float3 right = new float3(0.5f, 0, 0);
int centerRingLength = plot.radianOffset[gridSelect.y].Length;
float2 center = plot.radianOffset[gridSelect.y][gridSelect.x];
float3 center3 = new float3(center.x, 0, center.y) * scale;
float3 centerWorld = plot.worldOffset[gridSelect.y][gridSelect.x];
pointsToTriangulate.Add(new PositionWrapper(centerWorld, center3));
//Debug.DrawLine(center3 + up, center3 - up, Color.green);
//Debug.DrawLine(center3 + right, center3 - right, Color.green);
for (int i = 0; i < adjacent.Count; i++)
{
float2 radians = plot.radianOffset[adjacent[i].y][adjacent[i].x];
float3 radians3 = new float3(radians.x, 0, radians.y) * scale;
float3 world = plot.worldOffset[adjacent[i].y][adjacent[i].x];
int ringLength = plot.radianOffset[adjacent[i].y].Length;
//float2 normalised = math.unlerp(0, ringLength, radians);
//float2 interpolated = radians;// = math.lerp(0, centerRingLength, normalised);
//float3 interpolated3 = new float3(interpolated.x, 0, interpolated.y) * scale;
//pointsToTriangulate.Add(new PositionWrapper(interpolated3));
pointsToTriangulate.Add(new PositionWrapper(world, radians3));
//Debug.DrawLine(radians3 + up, radians3 - up, Color.red);
//Debug.DrawLine(radians3 + right, radians3 - right, Color.red);
}
NativeArray <PositionWrapper> triangulateArray = new NativeArray <PositionWrapper>(pointsToTriangulate.Count, Allocator.Persistent);
for (int i = 0; i < triangulateArray.Length; i++)
{
triangulateArray[i] = pointsToTriangulate[i];
}
var triangles = bowyerWatson.Triangulate(triangulateArray);
for (int i = 0; i < triangles.Length; i++)
{
DrawTriangle(triangles[i], Color.white);
}
triangulateArray.Dispose();
triangles.Dispose();
}