protected byte calculateOpacity(Voxel[,,] original, uint x, uint y, uint z, float strength) {
double opacity = original[x, y, z].averageOpacity();
int minX = Mathf.Max((int)x - blurRadius, 0);
int maxX = Mathf.Min((int)x + blurRadius, original.GetLength(0));
int minY = Mathf.Max((int)y - blurRadius, 0);
int maxY = Mathf.Min((int)y + blurRadius, original.GetLength(1));
int minZ = Mathf.Max((int)z - blurRadius, 0);
int maxZ = Mathf.Min((int)z + blurRadius, original.GetLength(2));
int count = 0;
for (int xi = minX; xi < maxX; ++xi) {
for (int yi = minY; yi < maxY; ++yi) {
for (int zi = minZ; zi < maxZ; ++zi) {
++count;
Vector3 diff = new Vector3(x - xi, y - yi, z - zi);
float dis = diff.magnitude;
Voxel value = original[xi, yi, zi];
if (dis < 0.5f || value == null)
continue;
float factor = Mathf.Max((1 - dis / blurRadius) * strength * 0.1f, 0);
opacity = opacity * (1 - factor) + value.averageOpacity() * factor;
}
}
}
return (byte)Mathf.Min((float)opacity, byte.MaxValue);
}
public void genMesh(Voxel[,,] voxels)
{
if (control == null)
return;
size = control.sizes[index.depth];
Queue<int[]> triangleSet = new Queue<int[]>();
Dictionary<int, Vector3> actualVertices = new Dictionary<int, Vector3>();
vertexSubstances = new Dictionary<int, byte>();
lock (control) {
MarchingCubes.setup(size / VOXEL_DIMENSION, control.isoLevel, ref actualVertices, ref vertexSubstances, ref voxels, position + new Vector3(0.5f, 0.5f, 0.5f) * size / VOXEL_DIMENSION);
int totalTris = 0;
uint xDim = (uint)voxels.GetLength(0) -1;
uint yDim = (uint)voxels.GetLength(1) -1;
uint zDim = (uint)voxels.GetLength(2) -1;
for (int x = 0; x < xDim; ++x) {
for (int y = 0; y < yDim; ++y) {
for (int z = 0; z < zDim; ++z) {
int[] tris = MarchingCubes.lookupTriangles(x, y, z, x+1, y+1, z+1);
if (tris == null) continue;
triangleSet.Enqueue(tris);
totalTris += tris.Length;
}
}
}
}
if (actualVertices.Count < 1) {
applied = true;
return;
}
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
watch.Start();
List<int> triangles = new List<int>();
List<Vector3> finalVertices = new List<Vector3>(actualVertices.Count);
vertices.Clear();
while (triangleSet.Count > 0) {
int[] triangleList = triangleSet.Dequeue();
for (int i = 0; i < triangleList.Length; ++i) {
if (!vertices.ContainsKey(triangleList[i])) {
finalVertices.Add(actualVertices[triangleList[i]]);
vertices[triangleList[i]] = finalVertices.Count - 1;
}
triangles.Add(vertices[triangleList[i]]);
}
}
VERTS = finalVertices.ToArray();
TRIS = triangles.ToArray();
calcNorms();
alignEdge(0, 1, 1);
alignEdge(1, 0, 1);
alignEdge(1, 1, 0);
lock (control) {
control.enqueueJob(new ApplyMeshJob(this));
}
watch.Stop();
control.meshGenArrayTime += watch.Elapsed.TotalSeconds;
}