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feat: Initial commit

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PopSlime
2025-02-14 16:06:00 +08:00
commit da75a84e02
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73
Assets/Plugins/Poly2Tri/Triangulation/Util/PointGenerator.cs Normal file
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/* 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.
*/
using System;
using System.Collections.Generic;
namespace Poly2Tri
{
public class PointGenerator
{
static readonly Random RNG = new Random();
public static List<TriangulationPoint> UniformDistribution(int n, double scale)
{
List<TriangulationPoint> points = new List<TriangulationPoint>();
for (int i = 0; i < n; i++)
{
points.Add(new TriangulationPoint(scale * (0.5 - RNG.NextDouble()), scale * (0.5 - RNG.NextDouble())));
}
return points;
}
public static List<TriangulationPoint> UniformGrid(int n, double scale)
{
double x = 0;
double size = scale / n;
double halfScale = 0.5 * scale;
List<TriangulationPoint> points = new List<TriangulationPoint>();
for (int i = 0; i < n + 1; i++)
{
x = halfScale - i * size;
for (int j = 0; j < n + 1; j++)
{
points.Add(new TriangulationPoint(x, halfScale - j * size));
}
}
return points;
}
}
}

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Assets/Plugins/Poly2Tri/Triangulation/Util/PointGenerator.cs.meta Normal file
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Assets/Plugins/Poly2Tri/Triangulation/Util/PolygonGenerator.cs Normal file
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/* 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.
*/
using System;
namespace Poly2Tri
{
public class PolygonGenerator
{
static readonly Random RNG = new Random();
private static double PI_2 = 2.0 * Math.PI;
public static Polygon RandomCircleSweep(double scale, int vertexCount)
{
PolygonPoint point;
PolygonPoint[] points;
double radius = scale / 4;
points = new PolygonPoint[vertexCount];
for (int i = 0; i < vertexCount; i++)
{
do
{
if (i % 250 == 0)
{
radius += scale / 2 * (0.5 - RNG.NextDouble());
}
else if (i % 50 == 0)
{
radius += scale / 5 * (0.5 - RNG.NextDouble());
}
else
{
radius += 25 * scale / vertexCount * (0.5 - RNG.NextDouble());
}
radius = radius > scale / 2 ? scale / 2 : radius;
radius = radius < scale / 10 ? scale / 10 : radius;
} while (radius < scale / 10 || radius > scale / 2);
point = new PolygonPoint(radius * Math.Cos((PI_2 * i) / vertexCount), radius * Math.Sin((PI_2 * i) / vertexCount));
points[i] = point;
}
return new Polygon(points);
}
public static Polygon RandomCircleSweep2(double scale, int vertexCount)
{
PolygonPoint point;
PolygonPoint[] points;
double radius = scale / 4;
points = new PolygonPoint[vertexCount];
for (int i = 0; i < vertexCount; i++)
{
do
{
radius += scale / 5 * (0.5 - RNG.NextDouble());
radius = radius > scale / 2 ? scale / 2 : radius;
radius = radius < scale / 10 ? scale / 10 : radius;
} while (radius < scale / 10 || radius > scale / 2);
point = new PolygonPoint(radius * Math.Cos((PI_2 * i) / vertexCount), radius * Math.Sin((PI_2 * i) / vertexCount));
points[i] = point;
}
return new Polygon(points);
}
}
}

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Assets/Plugins/Poly2Tri/Triangulation/Util/PolygonGenerator.cs.meta Normal file
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Assets/Plugins/Poly2Tri/Triangulation/Util/TriangulationUtil.cs Normal file
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