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[wIP] Reflection is working

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NADAL Jean-Baptiste
2024-03-05 23:12:10 +01:00
parent 1d75456ad8
commit 6acb8649e0
9 changed files with 281 additions and 14 deletions
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134
tests/11_reflection_refraction.cpp
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@@ -129,7 +129,7 @@ SCENARIO("The reflected color for a reflective material", "[features/world.featu
AND_GIVEN("ray(point(0, 0, -3), vector(0, -sqrt(2) / 2, sqrt(2) / 2)")
{
Ray r(Tuple::Point(0, 0, -3), Tuple::Vector(0, -sqrt(2) / 2, sqrt(2) / 2));
AND_GIVEN("i <- intersection(1, shape)")
AND_GIVEN("i <- intersection(sqrt(2), shape)")
{
Intersection i(sqrt(2), &shape);
WHEN("comps <- prepare_computation(i, r)")
@@ -138,7 +138,7 @@ SCENARIO("The reflected color for a reflective material", "[features/world.featu
AND_WHEN("color <- reflected_color(w, comps)")
{
Color color = w.reflected_color(comps);
THEN("color = color(0, 0, 0)")
THEN("color = color(0.19032, 0.2379, 0.14274)")
{
REQUIRE(color == Color(0.19032, 0.2379, 0.14274));
}
@@ -150,3 +150,133 @@ SCENARIO("The reflected color for a reflective material", "[features/world.featu
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("shade_it() with a reflective material", "[features/world.feature]")
{
GIVEN("w <- default_world()")
{
World w = World::default_world();
AND_GIVEN("shape <- plane() with:")
// | material.reflective | 0.5 |
// | transform | translation(0, -1, 0) |
{
Plane shape;
shape.material().set_reflective(0.5);
shape.set_transform(Matrix::translation(0, -1, 0));
AND_GIVEN("shape is added to w")
{
w.add_object(&shape);
AND_GIVEN("ray(point(0, 0, -3), vector(0, -sqrt(2) / 2, sqrt(2) / 2)")
{
Ray r(Tuple::Point(0, 0, -3), Tuple::Vector(0, -sqrt(2) / 2, sqrt(2) / 2));
AND_GIVEN("i <- intersection(sqrt(2), shape)")
{
Intersection i(sqrt(2), &shape);
WHEN("comps <- prepare_computation(i, r)")
{
IntersectionData comps = i.prepare_computations(r);
AND_WHEN("color <- shade_hit(w, comps)")
{
Color color = w.shade_hit(comps);
THEN("color = color(0.87677, 0.92436, 0.82918)")
{
REQUIRE(color == Color(0.87677, 0.92436, 0.82918));
}
}
}
}
}
}
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("color_at() with mutually reflective surfaces", "[features/world.feature]")
{
GIVEN("w <- default_world()")
{
World w = World::default_world();
AND_GIVEN("w.light <- point_light(point(0, 0, 0), color(1, 1, 1))")
{
w.set_light(PointLight(Tuple::Point(0, 0, 0), Color(1, 1, 1)));
AND_GIVEN("lower <- plane() with:")
// | material.reflective | 1 |
// | transform | translation(0, -1, 0) |
{
Plane lower;
lower.material().set_reflective(1);
lower.set_transform(Matrix::translation(0, -1, 0));
AND_GIVEN("lower is added to w")
{
w.add_object(&lower);
AND_GIVEN("upper <- plane() with:")
// | material.reflective | 1 |
// | transform | translation(0, 1, 0) |
{
Plane upper;
upper.material().set_reflective(1);
upper.set_transform(Matrix::translation(0, 1, 0));
AND_GIVEN("upper is added to w")
{
w.add_object(&upper);
AND_GIVEN("ray(point(0, 0, 0), vector(0, 1, 0)")
{
Ray r(Tuple::Point(0, 0, 0), Tuple::Vector(0, 1, 0));
THEN("color_at(w, r) terminate successfully")
{
w.color_at(r);
}
}
}
}
}
}
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("The reflected color at the maximum recursive depth", "[features/world.feature]")
{
GIVEN("w <- default_world()")
{
World w = World::default_world();
AND_GIVEN("shape <- plane() with:")
// | material.reflective | 0.5 |
// | transform | translation(0, -1, 0) |
{
Plane shape;
shape.material().set_reflective(0.5);
shape.set_transform(Matrix::translation(0, -1, 0));
AND_GIVEN("shape is added to w")
{
w.add_object(&shape);
AND_GIVEN("ray(point(0, 0, -3), vector(0, -sqrt(2) / 2, sqrt(2) / 2)")
{
Ray r(Tuple::Point(0, 0, -3), Tuple::Vector(0, -sqrt(2) / 2, sqrt(2) / 2));
AND_GIVEN("i <- intersection(sqrt(2), shape)")
{
Intersection i(sqrt(2), &shape);
WHEN("comps <- prepare_computation(i, r)")
{
IntersectionData comps = i.prepare_computations(r);
AND_WHEN("color <- reflected_color(w, comps, 0)")
{
Color color = w.reflected_color(comps, 0);
THEN("color = color(0.19032, 0.2379, 0.14274)")
{
REQUIRE(color == Color(0, 0, 0));
}
}
}
}
}
}
}
}
}