godot/thirdparty/thekla_atlas/nvmesh/TriMesh.h

52 lines
1.2 KiB
C++

// This code is in the public domain -- Ignacio Castaño <castano@gmail.com>
#pragma once
#ifndef NV_MESH_TRIMESH_H
#define NV_MESH_TRIMESH_H
#include "nvcore/Array.h"
#include "nvmath/Vector.inl"
#include "nvmesh/nvmesh.h"
#include "nvmesh/BaseMesh.h"
namespace nv
{
/// Triangle mesh.
class TriMesh : public BaseMesh
{
public:
struct Face;
typedef BaseMesh::Vertex Vertex;
TriMesh(uint faceCount, uint vertexCount) : BaseMesh(vertexCount), m_faceArray(faceCount) {}
// Face methods.
uint faceCount() const { return m_faceArray.count(); }
const Face & faceAt(uint i) const { return m_faceArray[i]; }
Face & faceAt(uint i) { return m_faceArray[i]; }
const Array<Face> & faces() const { return m_faceArray; }
Array<Face> & faces() { return m_faceArray; }
NVMESH_API Vector3 faceNormal(uint f) const;
NVMESH_API const Vertex & faceVertex(uint f, uint v) const;
friend Stream & operator<< (Stream & s, BaseMesh & obj);
private:
Array<Face> m_faceArray;
};
/// TriMesh face.
struct TriMesh::Face
{
uint id;
uint v[3];
};
} // nv namespace
#endif // NV_MESH_TRIMESH_H