public void EqualWithinEpsilonTest()
{
Polygon a = Polygon.AsRectangle(new Vector(1000, 1000));
Polygon b = Polygon.AsRectangle(new Vector(1000.000001, 1000.000001));
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(a, b));
}
public void NotEqualWithinEpsilonTest()
{
Polygon a = Polygon.AsRectangle(new Vector(1000, 1000));
Polygon b = Polygon.AsRectangle(new Vector(2000, 3000));
Assert.IsFalse(ClipperUtility.EqualWithinEpsilon(a, b));
}
public void ContainsFullyTest()
{
Polygon a = Polygon.AsRectangle(new Vector(10, 10));
Polygon b = Polygon.AsRectangle(new Vector(1, 1), new Vector(1, 1));
Assert.IsTrue(ClipperUtility.ContainsWithinEpsilon(a, b));
Assert.AreEqual(1, ClipperUtility.ContainsRelative(a, b), .001);
}
public void GetAreaTest()
{
Polygon polygon = Polygon.AsRectangle(new Vector(10, 100));
double expectedArea = 10 * 100;
double resultArea = ClipperUtility.GetArea(polygon);
Assert.AreEqual(expectedArea, resultArea, .001);
}
public void EqualWithinHighEpsilonTest()
{
Polygon a = Polygon.AsRectangle(new Vector(10, 10));
Polygon b = Polygon.AsRectangle(new Vector(10, 10), new Vector(1, 1));
Assert.IsFalse(ClipperUtility.EqualWithinEpsilon(a, b));
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(a, b, epsilon: 15 * Vector.Scale * 15 * Vector.Scale));
}
public void PolygonRotation90Degrees()
{
Polygon expectedPolygon = Polygon.AsRectangle(new Vector(2, 2), new Vector(-1, -1));
Polygon actualPolygon = expectedPolygon.DeepClone();
actualPolygon.RotateCounter(90 * Math.PI / 180);
CollectionAssert.AreNotEqual(expectedPolygon.Points, actualPolygon.Points);
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(expectedPolygon, actualPolygon));
}
public void PolygonVectorAddition()
{
Polygon polygon = Polygon.AsRectangle(new Vector(3, 4));
Vector offset = new Vector(1, 1);
polygon += offset;
List <IntPoint> expectedCoordinates = new List <IntPoint>(
new IntPoint[] { new Vector(1, 1), new Vector(4, 1), new Vector(4, 5), new Vector(1, 5) });
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(polygon, expectedCoordinates));
}
public void OffsetPolygonByHalfTest()
{
Polygon input = Polygon.AsRectangle(new Vector(10, 10));
Polygon expectedOutput = Polygon.AsRectangle(new Vector(5, 5), new Vector(2.5, 2.5));
PolygonList output = ClipperUtility.OffsetPolygon(input, -2.5f);
Assert.AreEqual(1, output.Count);
Polygon actualOutput = output[0];
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(expectedOutput, actualOutput));
}
public void SimpleOverlapTest()
{
Polygon a = Polygon.AsRectangle(new Vector(2, 2));
Polygon b = Polygon.AsRectangle(new Vector(2, 2), new Vector(1, 1));
Polygon expectedPolygon = Polygon.AsRectangle(new Vector(1, 1), new Vector(1, 1));
PolygonList resultIntersection = ClipperUtility.Intersection(a, b);
Assert.AreEqual(1, resultIntersection.Count);
Polygon resultPolygon = resultIntersection[0];
Assert.IsTrue(ClipperUtility.HaveIntersection(a, b));
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(expectedPolygon, resultPolygon));
}
public void LineIntersectionTest()
{
Polygon line = Polygon.AsLine(Vector.Zero, Vector.One);
Polygon rectangle = Polygon.AsRectangle(Vector.One);
PolygonList output = ClipperUtility.Intersection(line, rectangle);
Assert.AreEqual(1, output.Count);
Polygon actualOutput = output[0];
Assert.IsTrue(ClipperUtility.EqualWithinEpsilon(line, actualOutput,
epsilon: 15 * Vector.Scale * 15 * Vector.Scale));
}
public void PolygonCircumferenceTest()
{
Polygon polygon = Polygon.AsRectangle(new Vector(3, 4));
Assert.AreEqual(14, polygon.Circumference);
}