public void TestPointInCircumcircle()
{
Vector2 a = new Vector2(0, -0.5);
Vector2 b = new Vector2(-0.5, 0.5);
Vector2 c = new Vector2(0.5, 0.5);
Vector2 point = new Vector2(0, 0);
// Check that point is in circumcircle
Assert.IsTrue(GeometryMath.PointInCircumcircle(point, a, b, c), "Expected to be inside circumcircle but was not (point in middle of triangle)");
point = new Vector2(0, 1);
// Check that point is not in circumcircle
Assert.IsFalse(GeometryMath.PointInCircumcircle(point, a, b, c), "Expected to be outside circumcircle (point outside one of the corners)");
// Check that point is in circumcircle when triangle points are on the same line
a = new Vector2(0, 0);
b = new Vector2(1, 0);
c = new Vector2(2, 0);
Assert.IsTrue(GeometryMath.PointInCircumcircle(point, a, b, c), "Expected to be inside circumcircle (all triangle points on the same line)");
// Check that point is in circumcircle when on triangle side length is 0
a = new Vector2(0, 0);
b = new Vector2(0, 0);
c = new Vector2(0, 1);
Assert.IsTrue(GeometryMath.PointInCircumcircle(point, a, b, c), "Expected to be inside circumcircle (one triangle side length is 0)");
// Check that point is in circumcircle when is it just within radius
a = new Vector2(0, -0.5);
b = new Vector2(-0.5, 0.5);
c = new Vector2(0.5, 0.5);
point = new Vector2(0, -0.5);
Assert.IsTrue(GeometryMath.PointInCircumcircle(point, a, b, c), "Expected to be inside circumcircle (point is the same as one of the triangle points)");
}
