TriangulationContext.cs 3.2 KB

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  1. /* Poly2Tri
  2. * Copyright (c) 2009-2010, Poly2Tri Contributors
  3. * http://code.google.com/p/poly2tri/
  4. *
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without modification,
  8. * are permitted provided that the following conditions are met:
  9. *
  10. * * Redistributions of source code must retain the above copyright notice,
  11. * this list of conditions and the following disclaimer.
  12. * * Redistributions in binary form must reproduce the above copyright notice,
  13. * this list of conditions and the following disclaimer in the documentation
  14. * and/or other materials provided with the distribution.
  15. * * Neither the name of Poly2Tri nor the names of its contributors may be
  16. * used to endorse or promote products derived from this software without specific
  17. * prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  23. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. */
  31. using System.Collections.Generic;
  32. using System.Runtime.CompilerServices;
  33. using Poly2Tri.Triangulation.Delaunay;
  34. namespace Poly2Tri.Triangulation
  35. {
  36. public abstract class TriangulationContext
  37. {
  38. public readonly List<TriangulationPoint> Points = new List<TriangulationPoint>(200);
  39. public readonly List<DelaunayTriangle> Triangles = new List<DelaunayTriangle>();
  40. private int _stepTime = -1;
  41. public TriangulationContext()
  42. {
  43. Terminated = false;
  44. }
  45. public TriangulationMode TriangulationMode { get; protected set; }
  46. public Triangulatable Triangulatable { get; private set; }
  47. public bool WaitUntilNotified { get; private set; }
  48. public bool Terminated { get; set; }
  49. public int StepCount { get; private set; }
  50. public virtual bool IsDebugEnabled { get; protected set; }
  51. public void Done()
  52. {
  53. StepCount++;
  54. }
  55. public virtual void PrepareTriangulation(Triangulatable t)
  56. {
  57. Triangulatable = t;
  58. TriangulationMode = t.TriangulationMode;
  59. t.PrepareTriangulation(this);
  60. }
  61. public abstract TriangulationConstraint NewConstraint(TriangulationPoint a, TriangulationPoint b);
  62. [MethodImpl(MethodImplOptions.Synchronized)]
  63. public void Update(string message)
  64. {
  65. }
  66. public virtual void Clear()
  67. {
  68. Points.Clear();
  69. Terminated = false;
  70. StepCount = 0;
  71. }
  72. }
  73. }