public void Pattern_Repeats_In_Z()
{
var pattern = new CheckersPattern(Color.White, Color.Black);
var unitSphere = new Sphere();
pattern.ColorAt(new Point(0, 0, 0), unitSphere).ShouldBe(Color.White);
pattern.ColorAt(new Point(0, 0, 0.99), unitSphere).ShouldBe(Color.White);
pattern.ColorAt(new Point(0, 0, 1.01), unitSphere).ShouldBe(Color.Black);
}
private static void TestCase07()
{
// Checker should repeat in x
Pattern pattern = new CheckersPattern(white, black);
Assert.Equal(white, pattern.ColorAt(Tuple.Point(0, 0, 0)));
Assert.Equal(white, pattern.ColorAt(Tuple.Point(0.99f, 0, 0)));
Assert.Equal(black, pattern.ColorAt(Tuple.Point(1.01f, 0, 0)));
// Checker should repeat in y
Assert.Equal(white, pattern.ColorAt(Tuple.Point(0, 0, 0)));
Assert.Equal(white, pattern.ColorAt(Tuple.Point(0, 0.99f, 0)));
Assert.Equal(black, pattern.ColorAt(Tuple.Point(0, 1.01f, 0)));
// Checker should repeat in z
Assert.Equal(white, pattern.ColorAt(Tuple.Point(0, 0, 0)));
Assert.Equal(white, pattern.ColorAt(Tuple.Point(0, 0, 0.99f)));
Assert.Equal(black, pattern.ColorAt(Tuple.Point(0, 0, 1.01f)));
}
