public void Tri_ContainsPoint_Should_Work()
{
var tri = new Plan.Tri(new HashSet <Plan.Point>()
{
new Plan.Point(0, 0),
new Plan.Point(4, 0),
new Plan.Point(4, 2),
});
bool b0, b1, b2, b3, b4;
b0 = tri.ContainsPoint(1, 0.1f);
b1 = tri.ContainsPoint(3.5f, 1.5f);
b2 = tri.ContainsPoint(1, 1.5f);
b3 = tri.ContainsPoint(5, 1);
b4 = tri.ContainsPoint(2, -0.1f);
b0.Should().BeTrue();
b1.Should().BeTrue();
b2.Should().BeFalse();
b3.Should().BeFalse();
b4.Should().BeFalse();
}
