/* Poly2Tri * Copyright (c) 2009-2010, Poly2Tri Contributors * http://code.google.com/p/poly2tri/ * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of Poly2Tri nor the names of its contributors may be * used to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.poly2tri.triangulation.delaunay.sweep; import org.poly2tri.triangulation.TriangulationPoint; import org.poly2tri.triangulation.delaunay.DelaunayTriangle; public class AdvancingFrontNode { protected AdvancingFrontNode next = null; protected AdvancingFrontNode prev = null; protected final Double key; // XXX: BST protected final double value; protected final TriangulationPoint point; protected DelaunayTriangle triangle; public AdvancingFrontNode(TriangulationPoint point) { this.point = point; value = point.getX(); key = Double.valueOf(value); // XXX: BST } public AdvancingFrontNode getNext() { return next; } public AdvancingFrontNode getPrevious() { return prev; } public TriangulationPoint getPoint() { return point; } public DelaunayTriangle getTriangle() { return triangle; } public boolean hasNext() { return next != null; } public boolean hasPrevious() { return prev != null; } }