//threaded mesh creation
// basically just creates the triangles and vertices on a thread then adds them to a mesh
//in the main thread
/// <summary>
/// Creates the vertices.
/// </summary>
public void CreateVertices()
{
canCreatemesh = false;
//create the verts
verts = MarchingCubes.CreateVertices(Voxels, this, 2, 2, lodLevel);
//store the size so as to avoid garbage creation
size = verts.Length;
//create normals
normals = MeshFactory.CalculateNormals(Voxels, size, verts, lodLevel);
//create colors
int V = size;
uv = new Color[size];
for (int i = 0; i < size; i++)
{
int x = Mathf.RoundToInt((verts[i].x - normals[i].x) / VoxelTerrainEngine.TriSize[lodLevel]);
int y = Mathf.RoundToInt((verts[i].y - normals[i].y) / VoxelTerrainEngine.TriSize[lodLevel]);
int z = Mathf.RoundToInt((verts[i].z - normals[i].z) / VoxelTerrainEngine.TriSize[lodLevel]);
//conversion from voxel value to voxel type
//seems to work well
byte vox = Materials[x, y, z];
//basically each value gets assigned a color of 0.5 to 1.0
//in theory each decimal could be a voxel type
if (vox == (int)VoxelType.Stone)
{
uv[i] = new Color(1, 0, 0, 0);
}
else if (vox == (int)VoxelType.Grass)
{
uv[i] = new Color(0, 1, 0, 0);
}
else if (vox == (int)VoxelType.SandStone)
{
uv[i] = new Color(0, 0, 1, 0);
}
else if (vox == (int)VoxelType.Dirt)
{
uv[i] = new Color(0, 0, 0, 1);
}
}
canCreatemesh = true;
VoxelTerrainEngine.MeshChunks.Enqueue(this);
}
public static Vector3[] Createvertices(byte[,,] m_voxels, VoxelChunk chunk, int lod)
{
Vector3[] vertices = MarchingCubes.CreateVertices(m_voxels, chunk, 2, 2, lod);
return(vertices);
}
