public static void ScheduleRenderLibFiveMesh(LFTree tree, Bounds bounds, float resolution, ref RenderJobPayload payload)
{
UnityEngine.Profiling.Profiler.BeginSample("Schedule Render Mesh");
libfive_region3 bound = new libfive_region3();
bound.X.lower = bounds.min.x;
bound.Y.lower = bounds.min.y;
bound.Z.lower = bounds.min.z;
bound.X.upper = bounds.max.x;
bound.Y.upper = bounds.max.y;
bound.Z.upper = bounds.max.z;
RenderLibFiveMeshJob curRenderJob;
unsafe {
curRenderJob = new RenderLibFiveMeshJob()
{
treeToRender = tree.tree,
bounds = bound,
resolution = resolution,
libFiveMeshPtr = payload.libFiveMeshPtr
};
}
payload.handle = curRenderJob.Schedule(payload.handle);
JobHandle.ScheduleBatchedJobs();
UnityEngine.Profiling.Profiler.EndSample();
}
/// <summary>
/// Renders a tree to a set of triangles
///
/// R is a region that will be subdivided into an octree. For clean
/// triangles, it should be near-cubical, but that isn't a hard requirement.
///
/// res should be approximately half the model's smallest feature size;
/// subdivision halts when all sides of the region are below it.
/// </summary>
public void RenderMesh(Mesh meshToFill, Bounds bounds, float resolution = 12.0f, float vertexSplittingAngle = 180f)
{
libfive_region3 bound = new libfive_region3();
bound.X.lower = bounds.min.x;
bound.Y.lower = bounds.min.y;
bound.Z.lower = bounds.min.z;
bound.X.upper = bounds.max.x;
bound.Y.upper = bounds.max.y;
bound.Z.upper = bounds.max.z;
IntPtr libFiveMeshPtr = libfive.libfive_tree_render_mesh(tree, bound, resolution);
//Marshal the mesh into vertex and triangle arrays and assign to unity mesh
libfive_mesh libFiveMesh = (libfive_mesh)Marshal.PtrToStructure(libFiveMeshPtr, typeof(libfive_mesh));
float[] vertexFloats = new float[libFiveMesh.vert_count * 3];
int[] triangleIndices = new int[libFiveMesh.tri_count * 3];
Marshal.Copy(libFiveMesh.verts, vertexFloats, 0, vertexFloats.Length);
Marshal.Copy(libFiveMesh.tris, triangleIndices, 0, triangleIndices.Length);
List <Vector3> vertices = new List <Vector3>(vertexFloats.Length * 2 / 3);
for (int i = 0; i < vertexFloats.Length / 3; i++)
{
vertices.Add(new Vector3(
vertexFloats[(i * 3)],
vertexFloats[(i * 3) + 1],
vertexFloats[(i * 3) + 2]));
}
//The original indices were UInt32, so cast to and from those since Unity still needs them as ints
for (int i = 0; i < triangleIndices.Length; i++)
{
triangleIndices[i] = (int)((UInt32)triangleIndices[i]);
}
meshToFill.Clear(); meshToFill.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
meshToFill.SetVertices(vertices);
meshToFill.SetTriangles(triangleIndices, 0);
meshToFill.RecalculateBounds();
meshToFill.RecalculateNormals(vertexSplittingAngle);
libfive.libfive_mesh_delete(libFiveMeshPtr);
}