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Group should work now.

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Godzil
2020-02-24 17:25:54 +00:00
parent 7c794f0496
commit 7bbe5e843b
5 changed files with 40 additions and 10 deletions
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26
tests/shape_test.cpp
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@@ -133,12 +133,34 @@ TEST(TestShape, Converting_a_normal_form_object_to_world_space)
s.setTransform(translation(5, 0, 0));
g2.addObject(&s);
Tuple p = s.normalToWorld(Point(sqrt(3)/3, sqrt(3)/3, sqrt(3)/3));
Tuple p = s.normalToWorld(Vector(sqrt(3)/3, sqrt(3)/3, sqrt(3)/3));
/* Temporary lower the precision */
set_equal_precision(0.0001);
ASSERT_EQ(p, Point(0.2857, 0.4286, -0.8571));
ASSERT_EQ(p, Vector(0.2857, 0.4286, -0.8571));
set_equal_precision(FLT_EPSILON);
}
TEST(TestShape, Finding_the_normal_on_a_child_object)
{
Group g1 = Group();
g1.setTransform(rotationY(M_PI / 2));
Group g2 = Group();
g2.setTransform(scaling(1, 2, 3));
g1.addObject(&g2);
Sphere s = Sphere();
s.setTransform(translation(5, 0, 0));
g2.addObject(&s);
Tuple p = s.normalAt(Point(1.7321, 1.1547, -5.5774));
/* Temporary lower the precision */
set_equal_precision(0.0001);
ASSERT_EQ(p, Vector(0.2857, 0.4286, -0.8571));
set_equal_precision(FLT_EPSILON);
}