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[WIP] stripe-pattern is now ok.

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NADAL Jean-Baptiste
2024-02-29 18:39:45 +01:00
parent 5e540a995b
commit 0576ccaccb
19 changed files with 192 additions and 56 deletions
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143
tests/10_patterns.cpp
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@@ -58,12 +58,15 @@ SCENARIO("A stripe pattern is constant in y", "[features/patterns.feature]")
StripePattern pattern(Color::White(), Color::Black());
THEN("stripe_at(pattern, point(0, 0, 0) = white")
{
REQUIRE(pattern.stripe_at(Tuple::Point(0, 0, 0)) == Color::White());
}
AND_THEN("stripe_at(pattern, point(0, 1, 0) = white")
{
REQUIRE(pattern.stripe_at(Tuple::Point(0, 1, 0)) == Color::White());
}
AND_THEN("stripe_at(pattern, point(0, 2, 0) = white")
{
REQUIRE(pattern.stripe_at(Tuple::Point(0, 2, 0)) == Color::White());
}
}
}
@@ -128,42 +131,48 @@ SCENARIO("A stripe pattern alternates in x", "[features/patterns.feature]")
SCENARIO("Lightning with a pattern applied", "[features/materials.feature]")
{
Material m;
GIVEN("m.pattern <- strip_pattern(color(1, 1, 1), color(0, 0, 0))")
GIVEN("object <- sphere()")
{
m.set_pattern(new StripePattern(Color(1, 1, 1), Color(0, 0, 0)));
AND_GIVEN("m.ambient <- 1")
Sphere object;
Material m;
GIVEN("m.pattern <- strip_pattern(color(1, 1, 1), color(0, 0, 0))")
{
m.set_ambient(1);
AND_GIVEN("m.diffuse <- 0")
m.set_pattern(new StripePattern(Color(1, 1, 1), Color(0, 0, 0)));
AND_GIVEN("m.ambient <- 1")
{
m.set_diffuse(0);
AND_GIVEN("m.specular <- 0")
m.set_ambient(1);
AND_GIVEN("m.diffuse <- 0")
{
m.set_specular(0);
AND_GIVEN("eyev <- vector(0, 0, -1)")
m.set_diffuse(0);
AND_GIVEN("m.specular <- 0")
{
Tuple eyev = Tuple::Vector(0, 0, -1);
AND_GIVEN("normalv <- vector(0, 0, -1)")
m.set_specular(0);
AND_GIVEN("eyev <- vector(0, 0, -1)")
{
Tuple normalv = Tuple::Vector(0, 0, -1);
AND_GIVEN("light <- point_light(point(0, 0, -10), color(1, 1, 1))")
Tuple eyev = Tuple::Vector(0, 0, -1);
AND_GIVEN("normalv <- vector(0, 0, -1)")
{
PointLight light = PointLight(Tuple::Point(0, 0, -10), Color(1, 1, 1));
WHEN("c1 <- lighting(m, light, point(0.9, 0, 0), eyev, normalv, false)")
Tuple normalv = Tuple::Vector(0, 0, -1);
AND_GIVEN("light <- point_light(point(0, 0, -10), color(1, 1, 1))")
{
Color c1 = m.lighting(light, Tuple::Point(0.9, 0, 0), eyev, normalv, false);
AND_WHEN("c2 <- lighting(m, light, point(1.1, 0, 0), eyev, normalv, false)")
PointLight light = PointLight(Tuple::Point(0, 0, -10), Color(1, 1, 1));
WHEN("c1 <- lighting(m, light, point(0.9, 0, 0), eyev, normalv, false)")
{
Color c2 = m.lighting(light, Tuple::Point(1.1, 0, 0), eyev, normalv, false);
THEN("c1 = color(1, 1, 1)")
Color c1 =
m.lighting(&object, light, Tuple::Point(0.9, 0, 0), eyev, normalv, false);
AND_WHEN("c2 <- lighting(m, light, point(1.1, 0, 0), eyev, normalv, false)")
{
REQUIRE(c1 == Color(1, 1, 1));
}
AND_THEN("c2 = color(0, 0, 0)")
{
REQUIRE(c2 == Color(0, 0, 0));
Color c2 = m.lighting(&object, light, Tuple::Point(1.1, 0, 0), eyev,
normalv, false);
THEN("c1 = color(1, 1, 1)")
{
REQUIRE(c1 == Color(1, 1, 1));
}
AND_THEN("c2 = color(0, 0, 0)")
{
REQUIRE(c2 == Color(0, 0, 0));
}
}
}
}
@@ -175,3 +184,85 @@ SCENARIO("Lightning with a pattern applied", "[features/materials.feature]")
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("Stripes with an object transformation", "[features/patterns.feature]")
{
GIVEN("object <- sphere()")
{
Sphere object;
AND_GIVEN("set_transform(object, scaling(2, 2, 2))")
{
object.set_transform(Matrix::scaling(2, 2, 2));
AND_GIVEN("pattern <- stripe_pattern(white, black)")
{
StripePattern pattern(Color::White(), Color::Black());
WHEN("c <- stripe_at_object(pattern, object, point(1.5, 0, 0))")
{
Color c = pattern.stripe_at_object(&object, Tuple::Point(1.5, 0, 0));
THEN("c = white")
{
REQUIRE(c == Color::White());
}
}
}
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("Stripes with an pattern transformation", "[features/patterns.feature]")
{
GIVEN("object <- sphere()")
{
Sphere object;
AND_GIVEN("pattern <- stripe_pattern(white, black)")
{
StripePattern pattern(Color::White(), Color::Black());
AND_GIVEN("set_transform(pattern, scaling(2, 2, 2))")
{
pattern.set_pattern_transform(Matrix::scaling(2, 2, 2));
WHEN("c <- stripe_at_object(pattern, object, point(1.5, 0, 0))")
{
Color c = pattern.stripe_at_object(&object, Tuple::Point(1.5, 0, 0));
THEN("c = white")
{
REQUIRE(c == Color::White());
}
}
}
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("Stripes with both an object and pattern transformation", "[features/patterns.feature]")
{
GIVEN("object <- sphere()")
{
Sphere object;
AND_GIVEN("set_transform(object, scaling(2, 2, 2))")
{
object.set_transform(Matrix::scaling(2, 2, 2));
AND_GIVEN("pattern <- stripe_pattern(white, black)")
{
StripePattern pattern(Color::White(), Color::Black());
AND_GIVEN("set_pattern_transform(pattern, translation(0.5, 0, 0)))")
{
pattern.set_pattern_transform(Matrix::translation(0.5, 0, 0));
WHEN("c <- stripe_at_object(pattern, object, point(2.5, 0, 0))")
{
Color c = pattern.stripe_at_object(&object, Tuple::Point(1.5, 0, 0));
THEN("c = white")
{
REQUIRE(c == Color::White());
}
}
}
}
}
}
}