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[FEAT] Pattern: Add others pattern

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NADAL Jean-Baptiste
2024-03-04 14:06:29 +01:00
parent a602dbceec
commit 61fccc5bc0
13 changed files with 491 additions and 33 deletions
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119
tests/10_patterns.cpp
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@@ -393,3 +393,122 @@ SCENARIO("A pattern with both an object and a pattern transformation", "[feature
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("A gradient linearly interpolates between colors", "[features/patterns.feature]")
{
GIVEN("pattern <- gradient_pattern(white, black)")
{
GradientPattern pattern(Color::White(), Color::Black());
THEN("pattern_at(pattern, point(0, 0, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(0.25, 0, 0)) == color(0.75, 0.75, 0.75)")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0.25, 0, 0)) == Color(0.75, 0.75, 0.75));
}
AND_THEN("pattern_at(pattern, point(0.5, 0, 0)) == color(0.5, 0.5, 0.5)")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0.5, 0, 0)) == Color(0.5, 0.5, 0.5));
}
AND_THEN("pattern_at(pattern, point(0.75, 0, 0)) == color(0,25, 0.25, 0.25)")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0.75, 0, 0)) == Color(0.25, 0.25, 0.25));
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("A ring should extend in both x and z", "[features/patterns.feature]")
{
GIVEN("pattern <- ring_pattern(white, black)")
{
RingPattern pattern(Color::White(), Color::Black());
THEN("pattern_at(pattern, point(0, 0, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(1, 0, 0)) == black")
{
REQUIRE(pattern.pattern_at(Tuple::Point(1, 0, 0)) == Color::Black());
}
AND_THEN("pattern_at(pattern, point(0, 0, 1)) == black")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 1)) == Color::Black());
}
// 0.708 = just slightly more than sqrt(2)2
AND_THEN("pattern_at(pattern, point(0.708, 0, 0.708)) == black")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0.708, 0, 0.708)) == Color::Black());
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("Checkers should repeat in x", "[features/patterns.feature]")
{
GIVEN("pattern <- checkers_pattern(white, black)")
{
CheckersPattern pattern(Color::White(), Color::Black());
THEN("pattern_at(pattern, point(0, 0, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(0.99, 0, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0.99, 0, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(1.01, 0, 0)) == black")
{
REQUIRE(pattern.pattern_at(Tuple::Point(1.01, 0, 0)) == Color::Black());
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("Checkers should repeat in y", "[features/patterns.feature]")
{
GIVEN("pattern <- checkers_pattern(white, black)")
{
CheckersPattern pattern(Color::White(), Color::Black());
THEN("pattern_at(pattern, point(0, 0, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(0, 0.99, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0.99, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(0, 1.01, 0)) == black")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 1.01, 0)) == Color::Black());
}
}
}
/* ------------------------------------------------------------------------- */
SCENARIO("Checkers should repeat in z", "[features/patterns.feature]")
{
GIVEN("pattern <- checkers_pattern(white, black)")
{
CheckersPattern pattern(Color::White(), Color::Black());
THEN("pattern_at(pattern, point(0, 0, 0)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 0)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(0, 0, 0.99)) == white")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 0.99)) == Color::White());
}
AND_THEN("pattern_at(pattern, point(0, 0, 1.01)) == black")
{
REQUIRE(pattern.pattern_at(Tuple::Point(0, 0, 1.01)) == Color::Black());
}
}
}