/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* This source file is part of GIMPACT Library.
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*
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* For the latest info, see http://gimpact.sourceforge.net/
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*
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* Copyright (c) 2007 Francisco Leon Najera. C.C. 80087371.
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* email: projectileman@yahoo.com
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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package com.bulletphysics.extras.gimpact;
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/**
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*
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* @author jezek2
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*/
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class PairSet {
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private Pair[] array;
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private int size = 0;
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public PairSet() {
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array = new Pair[32];
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for (int i=0; i<array.length; i++) {
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array[i] = new Pair();
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}
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}
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public void clear() {
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size = 0;
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}
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public int size() {
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return size;
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}
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public Pair get(int index) {
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if (index >= size) throw new IndexOutOfBoundsException();
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return array[index];
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}
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@SuppressWarnings("unchecked")
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private void expand() {
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Pair[] newArray = new Pair[array.length << 1];
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for (int i=array.length; i<newArray.length; i++) {
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newArray[i] = new Pair();
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}
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System.arraycopy(array, 0, newArray, 0, array.length);
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array = newArray;
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}
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public void push_pair(int index1, int index2) {
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if (size == array.length) {
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expand();
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}
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array[size].index1 = index1;
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array[size].index2 = index2;
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size++;
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}
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public void push_pair_inv(int index1, int index2) {
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if (size == array.length) {
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expand();
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}
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array[size].index1 = index2;
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array[size].index2 = index1;
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size++;
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}
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}
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