private static void TestCase04() { // Stripes with an object transformation Shape obj = new Sphere(); obj.Transform = Transformation.Scaling(2, 2, 2); Pattern pattern = new StripePattern(white, black); Tuple c = pattern.ColorAtShape(obj, Tuple.Point(1.5f, 0, 0)); Assert.Equal(white, c); // Stripes with a pattern transformation obj.Transform = Matrix.Identity(); pattern.Transform = Transformation.Scaling(2, 2, 2); c = pattern.ColorAtShape(obj, Tuple.Point(1.5f, 0, 0)); Assert.Equal(white, c); // Stripes with both an object and a pattern transformation obj.Transform = Transformation.Scaling(2, 2, 2); pattern.Transform = Transformation.Translation(0.5f, 0, 0); c = pattern.ColorAtShape(obj, Tuple.Point(2.5f, 0, 0)); Assert.Equal(white, c); }