36 lines
816 B
C++
36 lines
816 B
C++
// This code is in the public domain -- castano@gmail.com
|
|
|
|
#include "nvmesh.h" // pch
|
|
|
|
#include "Measurements.h"
|
|
#include "nvmesh/halfedge/Mesh.h"
|
|
#include "nvmesh/halfedge/Face.h"
|
|
|
|
using namespace nv;
|
|
|
|
float nv::computeSurfaceArea(const HalfEdge::Mesh * mesh)
|
|
{
|
|
float area = 0;
|
|
|
|
for (HalfEdge::Mesh::ConstFaceIterator it(mesh->faces()); !it.isDone(); it.advance())
|
|
{
|
|
const HalfEdge::Face * face = it.current();
|
|
area += face->area();
|
|
}
|
|
nvDebugCheck(area >= 0);
|
|
|
|
return area;
|
|
}
|
|
|
|
float nv::computeParametricArea(const HalfEdge::Mesh * mesh)
|
|
{
|
|
float area = 0;
|
|
|
|
for (HalfEdge::Mesh::ConstFaceIterator it(mesh->faces()); !it.isDone(); it.advance())
|
|
{
|
|
const HalfEdge::Face * face = it.current();
|
|
area += face->parametricArea();
|
|
}
|
|
|
|
return area;
|
|
}
|