/// <summary>
/// This method utilizes the Delaunay Triangulation.
/// </summary>
public void DelaunayTriangulation()
{
// This is here because we're going to refresh the delaunator every time
// it finishes doing the calculation.
delaunator = new Delaunator(cells.Select(
o => (IPoint) new DelaunayTriangulation.Models.Point(o.LocationCenter.X, o.LocationCenter.Y, o.GetHashCode())).ToArray());
// Process the result.
delaunator.ForEachTriangleEdge(edge => {
foreach (Cell cell in cells)
{
//if (edge.P.CellReference == cell.GetHashCode()) {
// cell.ConnectedCell.Add(cells.Single(o => o.GetHashCode() == edge.Q.CellReference).GetHashCode());
//}
//break;
// You probably don't want to do this. This is a temporary fix.
if (cell.LocationCenter.X == (int)edge.Q.X && cell.LocationCenter.Y == (int)edge.Q.Y)
{
cell.ConnectedCell.Add(edge.P.CellReference);
}
if (cell.LocationCenter.X == (int)edge.P.X && cell.LocationCenter.Y == (int)edge.P.Y)
{
cell.ConnectedCell.Add(edge.Q.CellReference);
}
}
});
}
void DrawDelaunay()
{
if (delaunator == null)
{
return;
}
if (delaunayVisualsContainer == null)
{
delaunayVisualsContainer = new GameObject("Delaunay Visuals").transform;
}
if (drawDelaunayPoints)
{
foreach (var point in blueNoisePoints)
{
Instantiate(delaunayPointPrefab, new Vector3(point.x, 0, point.y), Quaternion.identity, delaunayVisualsContainer);
}
}
if (drawDelaunayEdges)
{
delaunator.ForEachTriangleEdge(edge =>
{
CreateLine(delaunayVisualsContainer, $"TriangleEdge - {edge.Index}", new Vector3[] { new Vector3((float)edge.P.X, 0, (float)edge.P.Y), new Vector3((float)edge.Q.X, 0, (float)edge.Q.Y) }, delaunayEdgeColor, 0.1f, 0);
});
}
}
private void DrawDelaunay()
{
RefreshDelaunator();
delaunator.ForEachTriangleEdge(edge =>
{
DrawLine(edge.P, edge.Q, TriangleBrush);
});
}
private void CreateTriangle()
{
if (delaunator == null)
{
return;
}
delaunator.ForEachTriangleEdge(edge =>
{
if (drawTriangleEdges)
{
CreateLine(TrianglesContainer, $"TriangleEdge - {edge.Index}", new Vector3[] { edge.P.ToVector3(), edge.Q.ToVector3() }, triangleEdgeColor, triangleEdgeWidth, 0);
}
if (drawTrianglePoints)
{
var pointGameObject = Instantiate(trianglePointPrefab, PointsContainer);
pointGameObject.transform.SetPositionAndRotation(edge.P.ToVector3(), Quaternion.identity);
}
});
}