void remove_triangle(int triangle_id, ref Vector2d a, ref Vector2d b, ref Vector2d c, bool threadsafe = true)
{
bool lockTaken = false;
while (threadsafe == true && lockTaken == false)
{
spinlock.Enter(ref lockTaken);
}
AxisAlignedBox2d bounds = BoundsUtil.Bounds(ref a, ref b, ref c);
Vector2i imin = indexer.ToGrid(bounds.Min);
Vector2i imax = indexer.ToGrid(bounds.Max);
for (int yi = imin.y; yi <= imax.y; ++yi)
{
for (int xi = imin.x; xi <= imax.x; ++xi)
{
int bin_i = yi * bins_x + xi;
bins_list.Remove(bin_i, triangle_id);
}
}
if (lockTaken)
{
spinlock.Exit();
}
}
void insert_triangle(int triangle_id, ref Vector2d a, ref Vector2d b, ref Vector2d c, bool threadsafe = true)
{
bool lockTaken = false;
while (threadsafe == true && lockTaken == false)
{
spinlock.Enter(ref lockTaken);
}
// [TODO] actually want to conservatively rasterize triangles here, not just
// store in every cell in bbox!
AxisAlignedBox2d bounds = BoundsUtil.Bounds(ref a, ref b, ref c);
Vector2i imin = indexer.ToGrid(bounds.Min);
Vector2i imax = indexer.ToGrid(bounds.Max);
for (int yi = imin.y; yi <= imax.y; ++yi)
{
for (int xi = imin.x; xi <= imax.x; ++xi)
{
// check if triangle overlaps this grid cell...
int bin_i = yi * bins_x + xi;
bins_list.Insert(bin_i, triangle_id);
}
}
if (lockTaken)
{
spinlock.Exit();
}
}
public static void WriteDebugMeshAndMarkers(IMesh mesh, List <Vector3d> Markers, string sPath = @"..\..\test_output\debug.obj")
{
WriteOptions options = WriteOptions.Defaults;
options.bWriteGroups = true;
List <WriteMesh> meshes = new List <WriteMesh>()
{
new WriteMesh(mesh)
};
double size = BoundsUtil.Bounds(mesh).Diagonal.Length * 0.01f;
foreach (Vector3d v in Markers)
{
TrivialBox3Generator boxgen = new TrivialBox3Generator();
boxgen.Box = new Box3d(v, size * Vector3d.One);
boxgen.Generate();
DMesh3 m = new DMesh3();
boxgen.MakeMesh(m);
meshes.Add(new WriteMesh(m));
}
StandardMeshWriter.WriteFile(sPath, meshes, options);
}