public void Build(int maxAxisSubdivs = 64)
{
AxisAlignedBox3d bounds = BoundsUtil.Bounds(Points);
double cellsize = bounds.MaxDim / (double)maxAxisSubdivs;
Build(cellsize, bounds.Min);
}
public static void Center(FScene scene, IEnumerable <DMeshSO> objects, bool bInteractive)
{
AxisAlignedBox3d all_bounds = AxisAlignedBox3d.Empty;
foreach (var so in objects)
{
TransformSequence seq = SceneTransforms.ObjectToSceneXForm(so);
AxisAlignedBox3d bounds = BoundsUtil.Bounds(so.Mesh.Vertices(), seq);
all_bounds.Contain(bounds);
}
Vector3f c = (Vector3f)all_bounds.Center;
c.y = 0;
foreach (var so in objects)
{
Frame3f curFrameS = so.GetLocalFrame(CoordSpace.SceneCoords);
Frame3f newFrameS = curFrameS;
newFrameS.Origin = curFrameS.Origin - c;
TransformSOChange change = new TransformSOChange(so, curFrameS, newFrameS, CoordSpace.SceneCoords);
scene.History.PushChange(change, false);
}
if (bInteractive)
{
scene.History.PushInteractionCheckpoint();
}
}
public override void update_curve(Vector3f[] Vertices)
{
base.update_curve(Vertices);
if (Vertices == null)
{
center = Vector3f.Zero;
}
else
{
center = BoundsUtil.Bounds(Vertices, (x) => { return(x); }).Center;
}
}
public static void MoveToPrintBed(FScene scene, DMeshSO so, bool bInteractive)
{
TransformSequence seq = SceneTransforms.ObjectToSceneXForm(so);
AxisAlignedBox3d bounds = BoundsUtil.Bounds(so.Mesh.Vertices(), seq);
Frame3f curFrameS = so.GetLocalFrame(CoordSpace.SceneCoords);
float dy = (float)(bounds.Center.y - bounds.Extents.y);
if (Math.Abs(dy) > MathUtil.ZeroTolerancef)
{
Frame3f newFrameS = curFrameS;
newFrameS.Origin = curFrameS.Origin - dy * Vector3f.AxisY;
TransformSOChange change = new TransformSOChange(so, curFrameS, newFrameS, CoordSpace.SceneCoords);
change.Tags.Add("MoveToPrintBed");
scene.History.PushChange(change, false);
if (bInteractive)
{
scene.History.PushInteractionCheckpoint();
}
}
}
public static void WriteDebugMeshAndMarkers(IMesh mesh, List <Vector3D> Markers, string sPath)
{
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);
}
// appends connector to mesh. This one is messy
bool compute_connector(DMesh3 mesh)
{
if (DebugStep <= 2)
{
return(true);
}
AxisAlignedBox3d socketBounds = mesh.CachedBounds;
Vector3d c = socketBounds.Center;
c.y = socketBounds.Min.y + ConnectorCutHeight;
/*
* first we select the outer shell triangles, and plane-cut them some ways up from the bottom.
* This creates an open loop that we hang onto
*/
MeshPlaneCut outer_cut = new MeshPlaneCut(mesh, c, CutPlaneNormal);
outer_cut.CutFaceSet = new MeshFaceSelection(mesh, LastExtrudeOuterGroupID);
outer_cut.Cut();
MeshPlaneCut inner_cut = null;
if (Connector.HasInner)
{
inner_cut = new MeshPlaneCut(mesh, c, CutPlaneNormal);
inner_cut.CutFaceSet = new MeshFaceSelection(mesh, LastInnerGroupID);
inner_cut.Cut();
}
if (DebugStep <= 3)
{
return(true);
}
// save the loops we created
EdgeLoop outerCutLoop = outer_cut.CutLoops[0];
EdgeLoop innerCutLoop = (inner_cut != null) ? inner_cut.CutLoops[0] : null;
AxisAlignedBox3d cutLoopBounds =
BoundsUtil.Bounds(outerCutLoop.Vertices, (vid) => { return(mesh.GetVertex(vid)); });
/*
* Now we append the connector mesh and find its open loop
*/
// figure out where we want to position connector (which will be centered below origin)
double dy = 0; // socketBounds.Min.y;
if (socketBounds.Min.y < 0)
{
dy = socketBounds.Min.y + 5.0;
}
Vector3d shiftxz = Vector3d.Zero;// new Vector3d(cutLoopBounds.Center.x, 0, cutLoopBounds.Center.z);
Vector3d shiftxyz = shiftxz + dy * Vector3d.AxisY;
// append the connector
// [TODO] do we need to hold the lock this entire time? I guess so since it would
// be a disaster if connector changes...
bool bConnectorOK = true;
lock (connector_lock) {
SocketConnector.AppendInfo append_info =
Connector.AppendConnectorTo(mesh, shiftxyz);
if (DebugStep <= 4)
{
return(true);
}
// [TODO] push out of inner offset here...
if (Connector.HasInner)
{
merge_loops(mesh, innerCutLoop, append_info.InnerLoop, false);
}
// [TODO] in addition to pushing out of outer offset, we should also make sure
// we are far enough away from inner merge surface...
merge_loops(mesh, outerCutLoop, append_info.OuterLoop, true);
bConnectorOK = Connector.CutHoles(mesh, shiftxyz);
if (bConnectorOK == false)
{
f3.DebugUtil.Log("Connector.CutHoles failed!");
}
}
return(bConnectorOK);
}
