public void PlaneCreateFromVerticesTest()
{
Vector3 point1 = new Vector3(0.0f, 1.0f, 1.0f);
Vector3 point2 = new Vector3(0.0f, 0.0f, 1.0f);
Vector3 point3 = new Vector3(1.0f, 0.0f, 1.0f);
Plane target = Plane.CreateFromVertices(point1, point2, point3);
Plane expected = new Plane(new Vector3(0, 0, 1), -1.0f);
Assert.Equal(target, expected);
}
public void PlaneCreateFromVerticesTest2()
{
Vector3 point1 = new Vector3(0.0f, 0.0f, 1.0f);
Vector3 point2 = new Vector3(1.0f, 0.0f, 0.0f);
Vector3 point3 = new Vector3(1.0f, 1.0f, 0.0f);
Plane target = Plane.CreateFromVertices(point1, point2, point3);
Single invRoot2 = (Single)(1 / Math.Sqrt(2));
Plane expected = new Plane(new Vector3(invRoot2, 0, invRoot2), -invRoot2);
Assert.True(MathHelper.Equal(target, expected), "Plane.cstor did not return the expected value.");
}