GRAPHENE_TEST_UNIT_END
GRAPHENE_TEST_UNIT_BEGIN (ray_get_position_at)
{
graphene_ray_t r;
graphene_point3d_t tmp;
graphene_ray_init (&r, &one3, graphene_vec3_z_axis ());
if (g_test_verbose ())
g_test_message ("On the ray's origin...");
graphene_ray_get_position_at (&r, 0.f, &tmp);
g_assert_true (graphene_point3d_equal (&tmp, &one3));
if (g_test_verbose ())
g_test_message ("Behind the ray...");
graphene_ray_get_position_at (&r, -1.f, &tmp);
graphene_assert_fuzzy_equals (tmp.x, 1.f, 0.0001);
graphene_assert_fuzzy_equals (tmp.y, 1.f, 0.0001);
graphene_assert_fuzzy_equals (tmp.z, 0.f, 0.0001);
if (g_test_verbose ())
g_test_message ("On the ray...");
graphene_ray_get_position_at (&r, 1.f, &tmp);
graphene_assert_fuzzy_equals (tmp.x, 1.f, 0.0001);
graphene_assert_fuzzy_equals (tmp.y, 1.f, 0.0001);
graphene_assert_fuzzy_equals (tmp.z, 2.f, 0.0001);
}
static void
sphere_init (mutest_spec_t *spec)
{
graphene_point3d_t check;
graphene_point3d_t zero = GRAPHENE_POINT3D_INIT_ZERO;
graphene_point3d_t one = GRAPHENE_POINT3D_INIT (1, 1, 1);
graphene_sphere_t *s;
s = graphene_sphere_init (graphene_sphere_alloc (), &one, 1.f);
mutest_expect ("alloc to not return null",
mutest_pointer (s),
mutest_not, mutest_to_be_null,
NULL);
mutest_expect ("unit sphere not to be empty",
mutest_bool_value (graphene_sphere_is_empty (s)),
mutest_not, mutest_to_be_true,
NULL);
graphene_sphere_get_center (s, &check);
mutest_expect ("init to set the center",
mutest_bool_value (graphene_point3d_equal (&one, &check)),
mutest_to_be_true,
NULL);
mutest_expect ("init to set the radius",
mutest_float_value (graphene_sphere_get_radius (s)),
mutest_to_be_close_to, 1.0, 0.0001,
NULL);
graphene_sphere_init (s, NULL, 1.f);
graphene_sphere_get_center (s, &check);
mutest_expect ("null center to be the origin",
mutest_bool_value (graphene_point3d_equal (&zero, &check)),
mutest_to_be_true,
NULL);
graphene_sphere_free (s);
}
static void
sphere_translate (mutest_spec_t *spec)
{
graphene_sphere_t s;
graphene_point3d_t p;
graphene_sphere_init (&s, &GRAPHENE_POINT3D_INIT (1.f, 1.f, 1.f), 1.f);
graphene_point3d_init (&p, -1.f, -1.f, -1.f);
graphene_sphere_translate (&s, &p, &s);
graphene_sphere_get_center (&s, &p);
mutest_expect ("translating a unit sphere from (1, 1, 1) by -1 puts it at (0, 0, 0)",
mutest_bool_value (graphene_point3d_equal (&p, &GRAPHENE_POINT3D_INIT (0.f, 0.f, 0.f))),
mutest_to_be_true,
NULL);
}
