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[FEAT] Add a new intersections objects

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NADAL Jean-Baptiste
2024-02-12 12:23:57 +01:00
parent af1b3ed2be
commit 6571fe27ee
10 changed files with 247 additions and 29 deletions
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55
tests/05_rays.cpp
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@@ -63,11 +63,11 @@ TEST_CASE("[05][Rays] a ray intersects a sphere at two points", "[Sphere]")
{
Ray r(Tuple::Point(0, 0, -5), Tuple::Vector(0, 0, 1));
Sphere s;
auto xs = r.intersect(s);
Intersections xs = r.intersect(s);
REQUIRE(xs.size() == 2);
REQUIRE(xs[0] == 4.0);
REQUIRE(xs[1] == 6.0);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].distance_t() == 4.0);
REQUIRE(xs[1].distance_t() == 6.0);
}
/* ------------------------------------------------------------------------- */
@@ -76,11 +76,11 @@ TEST_CASE("[05][Rays] a ray intersects a sphere at a tangent", "[Sphere]")
{
Ray r(Tuple::Point(0, 1, -5), Tuple::Vector(0, 0, 1));
Sphere s;
auto xs = r.intersect(s);
Intersections xs = r.intersect(s);
REQUIRE(xs.size() == 2);
REQUIRE(xs[0] == 5.0);
REQUIRE(xs[1] == 5.0);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].distance_t() == 5.0);
REQUIRE(xs[1].distance_t() == 5.0);
}
/* ------------------------------------------------------------------------- */
@@ -89,9 +89,9 @@ TEST_CASE("[05][Rays] a ray misses a sphere", "[Sphere]")
{
Ray r(Tuple::Point(0, 2, -5), Tuple::Vector(0, 0, 1));
Sphere s;
auto xs = r.intersect(s);
Intersections xs = r.intersect(s);
REQUIRE(xs.size() == 0);
REQUIRE(xs.count() == 0);
}
/* ------------------------------------------------------------------------- */
@@ -100,11 +100,11 @@ TEST_CASE("[05][Rays] a originates inside a sphere", "[Sphere]")
{
Ray r(Tuple::Point(0, 0, 0), Tuple::Vector(0, 0, 1));
Sphere s;
auto xs = r.intersect(s);
Intersections xs = r.intersect(s);
REQUIRE(xs.size() == 2);
REQUIRE(xs[0] == -1.0);
REQUIRE(xs[1] == 1.0);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].distance_t() == -1.0);
REQUIRE(xs[1].distance_t() == 1.0);
}
/* ------------------------------------------------------------------------- */
@@ -113,11 +113,11 @@ TEST_CASE("[05][Rays] a sphere is behind a ray", "[Sphere]")
{
Ray r(Tuple::Point(0, 0, 5), Tuple::Vector(0, 0, 1));
Sphere s;
auto xs = r.intersect(s);
Intersections xs = r.intersect(s);
REQUIRE(xs.size() == 2);
REQUIRE(xs[0] == -6.0);
REQUIRE(xs[1] == -4.0);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].distance_t() == -6.0);
REQUIRE(xs[1].distance_t() == -4.0);
}
/* ------------------------------------------------------------------------- */
@@ -143,7 +143,6 @@ TEST_CASE("[05][Rays] An intersection encapsulates t and object", "[Intersection
REQUIRE(i.object() == s);
}
#if 0
/* ------------------------------------------------------------------------- */
TEST_CASE("[05][Rays] Aggregating intersections", "[Intersections]")
@@ -154,7 +153,19 @@ TEST_CASE("[05][Rays] Aggregating intersections", "[Intersections]")
Intersections xs = Intersections(i1, i2);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].t() == 1);
REQUIRE(xs[1].t() == 2);
REQUIRE(xs[0].distance_t() == 1);
REQUIRE(xs[1].distance_t() == 2);
}
/* ------------------------------------------------------------------------- */
TEST_CASE("[05][Rays] Intersect set the object on the intersection", "[Intersections]")
{
Ray r(Tuple::Point(0, 0, 5), Tuple::Vector(0, 0, 1));
Sphere s;
Intersections xs = r.intersect(s);
REQUIRE(xs.count() == 2);
REQUIRE(xs[0].object() == s);
REQUIRE(xs[1].object() == s);
}
#endif