public IEnumerator UpdateGeometryOnMainThread()
{
if (BoundaryInfo == null)
{
yield break;
}
if (is_disconnected)
{
yield break;
}
MeshBoundaryData boundary_info = BoundaryInfo;
// if mesh was modified before we got here, push it back onto dirty list
if (boundary_info.timestamp != SO.Mesh.ShapeTimestamp)
{
OnComputeUpdateRequired?.Invoke(this);
yield break;
}
int add_per_frame = 100;
int counter = 0;
foreach (DCurve3 loop in boundary_info.Loops)
{
if (is_disconnected || boundary_info.timestamp != SO.Mesh.ShapeTimestamp)
{
yield break;
}
List <Vector3f> vertices = new List <Vector3f>(loop.Vertices.Select(x => (Vector3f)x).ToList());
vertices.Add(vertices[0]);
fPolylineGameObject go = GameObjectFactory.CreatePolylineGO("boundary_curve", vertices, BoundaryLoopColor, BoundaryCurveWidth, LineWidthType.Pixel);
SO.RootGameObject.AddChild(go, false);
BoundaryCurveGOs.Add(go);
if (counter++ == add_per_frame)
{
counter = 0;
yield return(null);
}
}
foreach (DCurve3 span in boundary_info.Spans)
{
if (is_disconnected || boundary_info.timestamp != SO.Mesh.ShapeTimestamp)
{
yield break;
}
List <Vector3f> vertices = new List <Vector3f>(span.Vertices.Select(x => (Vector3f)x).ToList());
fPolylineGameObject go = GameObjectFactory.CreatePolylineGO("boundary_span", vertices, BoundaryLoopColor, BoundaryCurveWidth, LineWidthType.Pixel);
SO.RootGameObject.AddChild(go, false);
BoundaryCurveGOs.Add(go);
if (counter++ == add_per_frame)
{
counter = 0;
yield return(null);
}
}
}
public void ComputeOnBackgroundThread()
{
BoundaryInfo = null;
object result = SO.SafeMeshRead(LockedComputeMeshBoundaryData);
if (result is MeshBoundaryData)
{
BoundaryInfo = result as MeshBoundaryData;
OnGeometryUpdateRequired?.Invoke(this);
}
else if (result is Exception)
{
DebugUtil.Log("MeshAnalysisViz.UpdateMesh - Exception: " + (result as Exception).Message);
}
}
/// <summary>
/// this runs inside SO.SafeMeshRead
/// </summary>
private object LockedComputeMeshBoundaryData(DMesh3 mesh)
{
MeshBoundaryLoops loops = new MeshBoundaryLoops(mesh, true);
MeshBoundaryData bd = new MeshBoundaryData();
foreach (EdgeLoop loop in loops.Loops)
{
bd.Loops.Add(loop.ToCurve());
}
if (loops.SawOpenSpans)
{
foreach (EdgeSpan span in loops.Spans)
{
bd.Spans.Add(span.ToCurve());
}
}
bd.timestamp = mesh.ShapeTimestamp;
return(bd);
}