public void AddAdjacency(PlanetVertex newAdjacency)
{
if (Adjacencies.Exists(n => n == newAdjacency) == false)
{
Adjacencies.Add(newAdjacency);
}
}
void initializeAdjacencies(IEnumerable <IndexTriangle> triangles)
{
Console.Write("Initializing adjacencies... ");
Stopwatch stopwatch = Stopwatch.StartNew();
foreach (IndexTriangle triangle in triangles)
{
PlanetVertex aVertex = vertices[triangle.AIndex];
PlanetVertex bVertex = vertices[triangle.BIndex];
PlanetVertex cVertex = vertices[triangle.CIndex];
aVertex.AddMutualAdjacency(bVertex);
aVertex.AddMutualAdjacency(cVertex);
bVertex.AddMutualAdjacency(cVertex);
}
stopwatch.Stop();
Console.WriteLine("" + stopwatch.ElapsedMilliseconds + " ms");
//List<PlanetVertex> adjacencyless = vertices.Where(vertex => vertex.Adjacencies.Count == 0).ToList();
}
public void Expand(Random random)
{
if (OuterVertices.Count == 0)
{
return;
}
PlanetVertex vertex = OuterVertices[random.Next(OuterVertices.Count)];
foreach (PlanetVertex adjacentVertex in vertex.Adjacencies)
{
if (adjacentVertex.Tile == null)
{
AddOuterVertex(adjacentVertex);
}
else if (adjacentVertex.Tile != this)
{
AddMutualAdjacency(adjacentVertex.Tile);
}
}
OuterVertices.Remove(vertex);
}
void initializeVertices(Icosphere icosphere)
{
Console.Write("Initializing vertices... ");
Stopwatch stopwatch = Stopwatch.StartNew();
vertices = new List <PlanetVertex>(icosphere.Vertices.Count);
float vertexSeparation = icosphere.GetVertexSeparation();
for (int i = 0; i < icosphere.Vertices.Count; i++)
{
Vector3 position = icosphere.Vertices[i];
float xOffset = (-0.5f + random.NextFloat()) * vertexSeparation / 2;
float yOffset = (-0.5f + random.NextFloat()) * vertexSeparation / 2;
float zOffset = (-0.5f + random.NextFloat()) * vertexSeparation / 2;
position += new Vector3(xOffset, yOffset, zOffset);
position.Normalize();
PlanetVertex vertex = new PlanetVertex(position);
vertices.Add(vertex);
}
stopwatch.Stop();
Console.WriteLine("" + stopwatch.ElapsedMilliseconds + " ms");
}
public void AddMutualAdjacency(PlanetVertex newAdjacency)
{
AddAdjacency(newAdjacency);
newAdjacency.AddAdjacency(this);
}
public void AddOuterVertex(PlanetVertex vertex)
{
AddVertex(vertex);
OuterVertices.Add(vertex);
}
public void AddVertex(PlanetVertex vertex)
{
vertex.Tile = this;
Vertices.Add(vertex);
}
public Tile(PlanetVertex origin)
{
Origin = origin;
}