1 files changed, 94 insertions, 0 deletions
diff --git a/thirdparty/thekla_atlas/nvmesh/halfedge/Vertex.cpp b/thirdparty/thekla_atlas/nvmesh/halfedge/Vertex.cpp
new file mode 100644
index 0000000000..66dad69f8a
--- /dev/null
+++ b/thirdparty/thekla_atlas/nvmesh/halfedge/Vertex.cpp
@@ -0,0 +1,94 @@
+// This code is in the public domain -- castano@gmail.com
+
+#include "nvmesh.h" // pch
+
+#include "Vertex.h"
+
+#include "nvmath/Vector.inl"
+
+using namespace nv;
+using namespace HalfEdge;
+
+
+// Set first edge of all colocals.
+void Vertex::setEdge(Edge * e)
+{
+    for (VertexIterator it(colocals()); !it.isDone(); it.advance()) { 
+        it.current()->edge = e;
+    }
+}
+
+// Update position of all colocals.
+void Vertex::setPos(const Vector3 & p)
+{
+    for (VertexIterator it(colocals()); !it.isDone(); it.advance()) {
+        it.current()->pos = p;
+    }
+}
+
+
+uint HalfEdge::Vertex::colocalCount() const
+{
+    uint count = 0;
+    for (ConstVertexIterator it(colocals()); !it.isDone(); it.advance()) { ++count; }
+    return count;
+}
+
+uint HalfEdge::Vertex::valence() const
+{
+    uint count = 0;
+    for (ConstEdgeIterator it(edges()); !it.isDone(); it.advance()) { ++count; }
+    return count;
+}
+
+const HalfEdge::Vertex * HalfEdge::Vertex::firstColocal() const
+{
+    uint firstId = id;
+    const Vertex * vertex = this;
+
+    for (ConstVertexIterator it(colocals()); !it.isDone(); it.advance())
+    {
+        if (it.current()->id < firstId) {
+            firstId = vertex->id;
+            vertex = it.current();
+        }
+    }
+
+    return vertex;
+}
+
+HalfEdge::Vertex * HalfEdge::Vertex::firstColocal()
+{
+    Vertex * vertex = this;
+    uint firstId = id;
+
+    for (VertexIterator it(colocals()); !it.isDone(); it.advance())
+    {
+        if (it.current()->id < firstId) {
+            firstId = vertex->id;
+            vertex = it.current();
+        }
+    }
+
+    return vertex;
+}
+
+bool HalfEdge::Vertex::isFirstColocal() const
+{
+    return firstColocal() == this;
+}
+
+bool HalfEdge::Vertex::isColocal(const Vertex * v) const {
+    if (this == v) return true;
+    if (pos != v->pos) return false;
+
+    for (ConstVertexIterator it(colocals()); !it.isDone(); it.advance())
+    {
+        if (v == it.current()) {
+            return true;
+        }
+    }
+
+    return false;
+}
+