public MeshContainer BuildTriTreeNodeMesh(int triTreeNode, float scale = 1f)
{
MutableGeoMesh mutablemesh = new MutableGeoMesh();
CollectVertexes(mutablemesh, triTreeNode);
mutablemesh.IndexTriangles();
List <Vector3> vertices = new List <Vector3>();
List <Vector2> uv = new List <Vector2>();
List <Vector3> normals = new List <Vector3>();
int[] triTreeNodesPair = GetTriTreeNodePair(triTreeNode);
foreach (int nodeIndex in mutablemesh.indexes)
{
vertices.Add(nodes[nodeIndex].position * scale);
normals.Add(nodes[nodeIndex].normal);
uv.Add(GetVertexUV(nodes[nodeIndex].position, triangleToPairsMap[triTreeNode]));
}
MeshContainer meshContainer = new MeshContainer();
meshContainer.vertices = vertices.ToArray();
meshContainer.normals = normals.ToArray();
meshContainer.triangles = mutablemesh.triangles.ToArray();
meshContainer.uv = uv.ToArray();
return(meshContainer);
}
protected void CollectVertexes(MutableGeoMesh mesh, int baseTriangleNode, int depth = -1)
{
if (depth == 0 || tritree[baseTriangleNode].children[0] < 0)
{
for (int i = 0; i < 3; i++)
{
mesh.AddVertex(tritree[baseTriangleNode].vertices[i]);
}
}
else
{
for (int i = 0; i < 4; i++)
{
CollectVertexes(mesh, tritree[baseTriangleNode].children[i], depth - 1);
}
}
}
