94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
// This code is in the public domain -- castano@gmail.com
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#include "nvmesh.h" // pch
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#include "Vertex.h"
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#include "nvmath/Vector.inl"
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using namespace nv;
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using namespace HalfEdge;
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// Set first edge of all colocals.
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void Vertex::setEdge(Edge * e)
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{
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for (VertexIterator it(colocals()); !it.isDone(); it.advance()) {
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it.current()->edge = e;
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}
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}
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// Update position of all colocals.
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void Vertex::setPos(const Vector3 & p)
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{
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for (VertexIterator it(colocals()); !it.isDone(); it.advance()) {
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it.current()->pos = p;
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}
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}
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uint HalfEdge::Vertex::colocalCount() const
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{
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uint count = 0;
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for (ConstVertexIterator it(colocals()); !it.isDone(); it.advance()) { ++count; }
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return count;
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}
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uint HalfEdge::Vertex::valence() const
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{
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uint count = 0;
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for (ConstEdgeIterator it(edges()); !it.isDone(); it.advance()) { ++count; }
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return count;
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}
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const HalfEdge::Vertex * HalfEdge::Vertex::firstColocal() const
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{
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uint firstId = id;
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const Vertex * vertex = this;
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for (ConstVertexIterator it(colocals()); !it.isDone(); it.advance())
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{
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if (it.current()->id < firstId) {
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firstId = vertex->id;
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vertex = it.current();
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}
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}
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return vertex;
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}
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HalfEdge::Vertex * HalfEdge::Vertex::firstColocal()
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{
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Vertex * vertex = this;
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uint firstId = id;
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for (VertexIterator it(colocals()); !it.isDone(); it.advance())
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{
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if (it.current()->id < firstId) {
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firstId = vertex->id;
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vertex = it.current();
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}
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}
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return vertex;
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}
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bool HalfEdge::Vertex::isFirstColocal() const
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{
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return firstColocal() == this;
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}
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bool HalfEdge::Vertex::isColocal(const Vertex * v) const {
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if (this == v) return true;
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if (pos != v->pos) return false;
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for (ConstVertexIterator it(colocals()); !it.isDone(); it.advance())
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{
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if (v == it.current()) {
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return true;
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}
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}
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return false;
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}
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