CentralizedControl/Veldrid.Common/Poly2Tri/Triangulation/Delaunay/Sweep/DTSweepPointComparator.cs

/* 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,
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using System.Collections.Generic;

namespace Veldrid.Common.Poly2Tri.Triangulation.Delaunay.Sweep
{
	public class DTSweepPointComparator : IComparer<TriangulationPoint> {
		public int Compare(TriangulationPoint p1, TriangulationPoint p2) {
			if (p1.Y < p2.Y) {
				return -1;
			} else if (p1.Y > p2.Y) {
				return 1;
			} else {
				if (p1.X < p2.X) {
					return -1;
				} else if (p1.X > p2.X) {
					return 1;
				} else {
					return 0;
				}
			}
		}
	}
}