def test_lighting_with_pattern_applied(self): m = Material() m.pattern = StripePattern(Color.white(), Color.black()) m.ambient = 1 m.diffuse = 0 m.specular = 0 eyev = Vector(0, 0, -1) normalv = Vector(0, 0, -1) light = PointLight(Point(0, 0, -10), Color.white()) c1 = m.lighting(Sphere(), light, Point(0.9, 0, 0), eyev, normalv, False) c2 = m.lighting(Sphere(), light, Point(1.1, 0, 0), eyev, normalv, False) assert c1 == Color.white() assert c2 == Color.black()
def test_lighting_pattern(): s = Sphere() m = Material() m.pattern = StripePattern(Color(1, 1, 1), Color(0, 0, 0)) m.ambient = 1 m.diffuse = 0 m.specular = 0 eyev = Vector(0, 0, -1) normalv = Vector(0, 0, -1) light = PointLight(Point(0, 0, -10), Color(1, 1, 1)) c1 = m.lighting(s, light, Point(0.9, 0, 0), eyev, normalv, False) c2 = m.lighting(s, light, Point(1.1, 0, 0), eyev, normalv, False) assert c1 == Color(1, 1, 1) assert c2 == Color(0, 0, 0)