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NADAL Jean-Baptiste
2024-02-13 18:46:04 +01:00
parent bac26441c5
commit 31cdc2c48a
1 changed files with 24 additions and 7 deletions
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31
tests/05_rays.cpp
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@@ -89,13 +89,30 @@ SCENARIO("Computing a point from a distance", "[features/rays.feature]")
SCENARIO("A ray intersects a sphere at two points", "[features/spheres.feature]")
{
Ray r(Tuple::Point(0, 0, -5), Tuple::Vector(0, 0, 1));
Sphere s;
Intersections xs = s.intersect(r);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].distance_t() == 4.0);
REQUIRE(xs[1].distance_t() == 6.0);
GIVEN("r <- ray(point(0, 0, -5), vector(0, 0, 1))")
{
Ray r(Tuple::Point(0, 0, -5), Tuple::Vector(0, 0, 1));
AND_GIVEN("s <- sphere()")
{
Sphere s;
WHEN("xs <- intersect(s,r)")
{
Intersections xs = s.intersect(r);
THEN("xs.count = 2")
{
REQUIRE(xs.count() == 2);
}
AND_THEN("xs[0] = 4.0")
{
REQUIRE(xs[0].distance_t() == 4.0);
}
AND_THEN("xs[1 = 6.0")
{
REQUIRE(xs[1].distance_t() == 6.0);
}
}
}
}
}
/* ------------------------------------------------------------------------- */