axiosengine/axios/Common/Decomposition/CDT/Delaunay/Sweep/DTSweepConstraint.cs

66 lines
2.7 KiB
C#

/* 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
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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*/
namespace Poly2Tri.Triangulation.Delaunay.Sweep
{
public class DTSweepConstraint : TriangulationConstraint
{
/// <summary>
/// Give two points in any order. Will always be ordered so
/// that q.y > p.y and q.x > p.x if same y value
/// </summary>
public DTSweepConstraint(TriangulationPoint p1, TriangulationPoint p2)
{
P = p1;
Q = p2;
if (p1.Y > p2.Y)
{
Q = p1;
P = p2;
}
else if (p1.Y == p2.Y)
{
if (p1.X > p2.X)
{
Q = p1;
P = p2;
}
else if (p1.X == p2.X)
{
// logger.info( "Failed to create constraint {}={}", p1, p2 );
// throw new DuplicatePointException( p1 + "=" + p2 );
// return;
}
}
Q.AddEdge(this);
}
}
}