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/*
SPDX-FileCopyrightText: 2007 James B. Bowlin <bowlin@mindspring.com>
SPDX-License-Identifier: BSD-3-Clause AND GPL-2.0-or-later
*/
#pragma once
#include "typedef.h"
class HTMesh;
/**
* @class MeshIterator
* MeshIterator is a very lightweight class used to iterate over the
* result set of an HTMesh intersection. If you want to iterate over the same
* result set multiple times in the same block of code, you don't need to create
* a new MeshIterator, just call the reset() method and then re-use the iterator.
*/
class MeshIterator
{
public:
MeshIterator(HTMesh *mesh, BufNum bufNum = 0);
/** @short true if there are more trixel to iterate over.
*/
bool hasNext() const { return cnt < m_size; }
/** @short returns the next trixel
*/
Trixel next() const { return index[cnt++]; }
/** @short returns the number of trixels stored
*/
int size() const { return m_size; }
/** @short sets the count back to zero so you can use this iterator
* to iterate again over the same result set.
*/
void reset() const { cnt = 0; }
private:
const Trixel *index;
int m_size;
mutable int cnt;
};
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