public void Execute()
{
int vCount = inputVertices.Length, sCount = inputSitesVertices.Length, totalCount = vCount + sCount,
A, B, C, tCount, nIndex;
Triad triad;
float3 center, pt;
NativeList <int> neighbors = new NativeList <int>(10, Allocator.Temp);
NativeArray <IndexedVertex> neighborsList = new NativeArray <IndexedVertex>(0, Allocator.Temp);
UIntPair edge;
bool check = false;
outputVertices.Clear();
outputVertices.Capacity = totalCount;
outputTriangles.Clear();
outputTriangles.Capacity = sCount * 3;
//Merge base vertices and voronoi sites in a single list
for (int i = 0; i < vCount; i++)
{
outputVertices.Add(inputVertices[i]);
}
for (int i = 0; i < sCount; i++)
{
outputVertices.Add(inputSitesVertices[i]);
}
for (int i = 0; i < vCount; i++)
{
//A being the base vertice
A = i;
check = inputUnorderedHullEdges.TryGetValue(A, out edge);
if (check)
{
continue;
}
neighbors.Clear();
tCount = inputSites.PushValues(ref i, ref neighbors);
neighborsList.Release();
neighborsList = new NativeArray <IndexedVertex>(tCount, Allocator.Temp);
center = inputVertices[A];
for (int v = 0; v < tCount; v++)
{
nIndex = neighbors[v];
pt = inputSitesVertices[nIndex] - center;
IndexedVertex iv = new IndexedVertex()
{
index = vCount + nIndex,
angle = plane == AxisPair.XY ? atan2(pt.y, pt.x) : atan2(pt.z, pt.x)
};
neighborsList[v] = iv;
}
neighborsList.Sort(new SortIndexedVertex());
for (int v = 0; v < tCount; v++)
{
B = neighborsList[v].index;
C = v + 1;
if (C >= tCount)
{
C = neighborsList[0].index;
}
else
{
C = neighborsList[v + 1].index;
}
if (check)
{
if (inputUnorderedHullEdges.TryGetValue(B - vCount, out edge) ||
inputUnorderedHullEdges.TryGetValue(C - vCount, out edge))
{
continue;
}
}
triad = new Triad(A, B, C, float3(0f), 0f);
outputTriangles.Add(triad);
}
}
}
public void Execute()
{
int A, B, C, siteCount = inputTriangles.Length, edgeIndex = -1, Ti;
float3 centroid, circumcenter;
UIntPair edge;
Triad triad;
NativeHashMap <UIntPair, int> uniqueEdges = new NativeHashMap <UIntPair, int>(siteCount * 3, Allocator.Temp);
NativeMultiHashMap <UIntPair, int> connectedTriangles = new NativeMultiHashMap <UIntPair, int>(siteCount * 3, Allocator.Temp);
NativeList <int> neighbors = new NativeList <int>(0, Allocator.Temp);
float weight = clamp(centroidWeight, 0f, 1f);
if (weight == 0f)
{
for (int i = 0; i < siteCount; i++)
{
triad = inputTriangles[i];
A = triad.A; B = triad.B; C = triad.C;
outputVertices.Add(Circumcenter(ref triad, ref inputVertices));
connectedTriangles.Add(new UIntPair(A, B), i);
connectedTriangles.Add(new UIntPair(B, C), i);
connectedTriangles.Add(new UIntPair(C, A), i);
}
}
else if (weight == 1f)
{
for (int i = 0; i < siteCount; i++)
{
triad = inputTriangles[i];
A = triad.A; B = triad.B; C = triad.C;
outputVertices.Add((inputVertices[A] + inputVertices[B] + inputVertices[C]) / 3f);
connectedTriangles.Add(new UIntPair(A, B), i);
connectedTriangles.Add(new UIntPair(B, C), i);
connectedTriangles.Add(new UIntPair(C, A), i);
}
}
else
{
for (int i = 0; i < siteCount; i++)
{
triad = inputTriangles[i];
A = triad.A; B = triad.B; C = triad.C;
centroid = (inputVertices[A] + inputVertices[B] + inputVertices[C]) / 3f;
circumcenter = Circumcenter(ref triad, ref inputVertices);
outputVertices.Add(lerp(circumcenter, centroid, weight));
connectedTriangles.Add(new UIntPair(A, B), i);
connectedTriangles.Add(new UIntPair(B, C), i);
connectedTriangles.Add(new UIntPair(C, A), i);
}
}
for (int i = 0; i < siteCount; i++)
{
triad = inputTriangles[i];
A = triad.A; B = triad.B; C = triad.C;
outputSites.Add(A, i);
outputSites.Add(B, i);
outputSites.Add(C, i);
neighbors.Clear();
edge = new UIntPair(A, B);
connectedTriangles.PushValues(ref edge, ref neighbors);
edge = new UIntPair(B, C);
connectedTriangles.PushValues(ref edge, ref neighbors);
edge = new UIntPair(C, A);
connectedTriangles.PushValues(ref edge, ref neighbors);
for (int t = 0; t < neighbors.Length; t++)
{
Ti = neighbors[t];
if (Ti == i)
{
continue;
}
edge = new UIntPair(Ti, i);
if (!uniqueEdges.TryGetValue(edge, out edgeIndex))
{
uniqueEdges.TryAdd(edge, outputEdges.Length);
outputEdges.Add(edge);
}
}
}
}
