private static GameObject InitializeSweeplineObject(Sweepline sweepline)
{
var vertices = SweeplineVertices(sweepline);
var gameObject = DrawingUtilities.CreateLineObject("Sweepline", vertices, "SweeplineMaterial");
return(gameObject);
}
public void Update()
{
var mesh = _gameObject.GetComponent <MeshFilter>().mesh;
var vertices = SweeplineVertices(_sweepline);
DrawingUtilities.UpdateLineObject(mesh, vertices);
}
private static IEnumerable <Vector3> ArcVertices(IArc arc, IArc nextArc, Sweepline sweepline)
{
if (arc.LeftNeighbour == arc.Site)
{
var azimuths = DrawingUtilities.AnglesInRange(0, 2 * Mathf.PI, NumberOfVerticesPerArc);
var vertices = azimuths.Select(azimuth => PointOnEllipse(arc, azimuth, sweepline)).ToList();
return(vertices);
}
else if (Mathf.Approximately((float)arc.Site.Priority, (float)sweepline.Priority))
{
var intersection = arc.PointOfIntersection(sweepline).ToUnityVector3();
var site = arc.Site.Position.ToUnityVector3();
var downArc = DrawingUtilities.VerticesOnGeodesic(intersection, site, NumberOfVerticesPerArc);
var upArc = DrawingUtilities.VerticesOnGeodesic(site, intersection, NumberOfVerticesPerArc);
var vertices = downArc.Concat(upArc);
return(vertices);
}
else
{
var leftLimit = DrawingUtilities.AzimuthOf(arc.LeftIntersection(sweepline).ToUnityVector3());
var rightLimit = DrawingUtilities.AzimuthOf(nextArc.LeftIntersection(sweepline).ToUnityVector3());
var azimuths = DrawingUtilities.AnglesInRange(leftLimit, rightLimit, NumberOfVerticesPerArc);
var vertices = azimuths.Select(azimuth => PointOnEllipse(arc, azimuth, sweepline)).ToList();
return(vertices);
}
}
private static GameObject InitializeBeachlineObject(Beachline beachline)
{
var vertices = BeachlineVertices(beachline);
var gameObject = DrawingUtilities.CreateLineObject("Beachline", vertices, "BeachlineMaterial");
return(gameObject);
}
private static GameObject DrawEdgeList(List <Vertex> vectorsInEdgeList)
{
var vertices = VerticesInEdgeList(vectorsInEdgeList);
var gameObject = DrawingUtilities.CreateLineObject("Edge list", vertices, "EdgeMaterial");
return(gameObject);
}
private Vector3[] CircleEventVertices(CircleEvent circle)
{
var angles = DrawingUtilities.AnglesInRange(0, 2 * Mathf.PI, NumberOfVerticesPerCircle);
var points = angles.Select(angle => VertexOfCircleEvent(circle, angle)).ToArray();
return(points);
}
private static Vector3[] SweeplineVertices(Sweepline sweepline)
{
if (Math.Abs(sweepline.Z) >= 1)
{
return(new Vector3[0]);
}
var azimuths = DrawingUtilities.AnglesInRange(0, 2 * Mathf.PI, NumberOfVertices);
var vertices = azimuths.Select(azimuth => VertexOnSweepline(sweepline, azimuth)).ToArray();
return(vertices);
}
private static GameObject DrawLabelsAtColatitude(float colatitude)
{
var azimuths = DrawingUtilities.AnglesInRange(0, 2 * Mathf.PI, 36);
var labels = azimuths.Take(36).Select(azimuth => DrawLabel(colatitude, azimuth));
var parentObject = new GameObject("Latitude Labels " + Mathf.Rad2Deg * colatitude);
foreach (var label in labels)
{
label.transform.parent = parentObject.transform;
}
return(parentObject);
}
private static IEnumerable <Vector3> VerticesInEdge(Vertex origin, Vertex destination)
{
var originVector = origin.Position.ToUnityVector3();
var destinationVector = destination.Position.ToUnityVector3();
if (originVector == destinationVector || Vector3.Cross(originVector, destinationVector) != new Vector3(0, 0, 0))
{
return(DrawingUtilities.VerticesOnGeodesic(originVector, destinationVector, NumberOfVerticesPerEdge));
}
else
{
var commonSites = origin.Sites.Intersect(destination.Sites).ToList();
var normal = -(commonSites.First().Position.ToUnityVector3() - commonSites.Last().Position.ToUnityVector3()).normalized;
return(DrawingUtilities.VerticesOnHalfOfGreatCircle(originVector, normal, NumberOfVerticesPerEdge));
}
}
private static GameObject DrawLongitude(float azimuth)
{
var azimuths = DrawingUtilities.AnglesInRange(0, Mathf.PI, NumberOfPointsPerLongitude);
var vertices =
azimuths.Select(
colatitude => DrawingUtilities.CreateVectorAt(colatitude, azimuth))
.ToArray();
var longitudeObject =
DrawingUtilities.CreateLineObject(
"Longitude " + Mathf.Rad2Deg * azimuth,
vertices,
"Boundaries");
return(longitudeObject);
}
public void Update()
{
foreach (var arcAndEdgeList in _arcToEdges)
{
var arc = arcAndEdgeList.Key;
var edgeList = arcAndEdgeList.Value.ToList();
if (!_edgeListObjects.ContainsKey(arc))
{
var edgeListObject = DrawEdgeList(edgeList);
edgeListObject.transform.parent = _parentObject.transform;
_edgeListObjects.Add(arc, edgeListObject);
}
else
{
var newVertices = VerticesInEdgeList(edgeList);
var mesh = _edgeListObjects[arc].GetComponent <MeshFilter>().mesh;
DrawingUtilities.UpdateLineObject(mesh, newVertices);
}
}
}
public void Update()
{
var newCircleEvents = _circleEvents.ToArray().Except(_gameObjects.Keys);
foreach (var circleEvent in newCircleEvents)
{
var vertices = CircleEventVertices(circleEvent);
var gameObject = DrawingUtilities.CreateLineObject("Circle " + circleEvent, vertices, "CircleEventMaterial");
gameObject.transform.parent = _parentObject.transform;
_gameObjects.Add(circleEvent, gameObject);
}
var removedCircles = _gameObjects.Keys.Except(_circleEvents.ToArray()).ToList();
foreach (var circleEvent in removedCircles)
{
var gameObject = _gameObjects[circleEvent];
_gameObjects.Remove(circleEvent);
Object.Destroy(gameObject);
}
}
private static GameObject DrawLabel(float colatitude, float azimuth)
{
var text = String.Format("{0,3:N0} {1,3:N0}", Mathf.Rad2Deg * colatitude, Mathf.Rad2Deg * azimuth);
var labelObject = new GameObject("Label " + text);
var normal = DrawingUtilities.CreateVectorAt(colatitude, azimuth);
var localEast = Vector3.Cross(normal, new Vector3(0, 0, 1));
var localNorth = Vector3.Cross(localEast, normal);
labelObject.transform.position = normal;
labelObject.transform.rotation = Quaternion.LookRotation(-normal, localNorth);
var textMesh = labelObject.AddComponent <TextMesh>();
textMesh.text = text;
textMesh.font = Resources.Load("ARIAL", typeof(Font)) as Font;
textMesh.renderer.material = Resources.Load("OneSidedMaterial", typeof(Material)) as Material;
textMesh.characterSize = 0.005f;
textMesh.anchor = TextAnchor.UpperCenter;
return(labelObject);
}
