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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2025-01-01 16:00:35 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2025-01-01 16:00:35 +0000 |
| commit | c0d05b1ad0f2d82f9ce94437370648e7dfdd994e (patch) | |
| tree | 47883cae257d6801bc8d9bfc2924ba2b323bdb27 /test | |
| parent | Walk terrain along a curve - edge cases exist (diff) | |
| download | ilt-c0d05b1ad0f2d82f9ce94437370648e7dfdd994e.tar.bz2 ilt-c0d05b1ad0f2d82f9ce94437370648e7dfdd994e.tar.xz ilt-c0d05b1ad0f2d82f9ce94437370648e7dfdd994e.zip | |
Return angle of intersection of arc with line
Diffstat (limited to 'test')
| -rw-r--r-- | test/test-maths.cpp | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/test/test-maths.cpp b/test/test-maths.cpp index aa2b9c8..5906757 100644 --- a/test/test-maths.cpp +++ b/test/test-maths.cpp @@ -376,33 +376,39 @@ BOOST_AUTO_TEST_CASE(triangle3d_helpers) BOOST_CHECK_CLOSE(t.area(), 12.5F, 0.01F); } +using ArcLineIntersectExp = std::pair<GlobalPosition2D, Angle>; using ArcLineIntersectData = std::tuple<GlobalPosition2D, GlobalPosition2D, GlobalPosition2D, GlobalPosition2D, - GlobalPosition2D, std::optional<GlobalPosition2D>>; + GlobalPosition2D, std::optional<ArcLineIntersectExp>>; BOOST_DATA_TEST_CASE(arcline_intersection, boost::unit_test::data::make<ArcLineIntersectData>({ {{0, 0}, {0, 100}, {100, 0}, {200, 0}, {0, 200}, std::nullopt}, {{0, 0}, {0, 100}, {100, 0}, {0, 0}, {10, 10}, std::nullopt}, - {{0, 0}, {0, 100}, {100, 0}, {0, 0}, {100, 100}, GlobalPosition2D {71, 71}}, - {{15, 27}, {15, 127}, {115, 27}, {15, 27}, {115, 127}, GlobalPosition2D {86, 98}}, + {{0, 0}, {0, 100}, {100, 0}, {0, 0}, {100, 100}, ArcLineIntersectExp {{71, 71}, quarter_pi}}, + {{15, 27}, {15, 127}, {115, 27}, {15, 27}, {115, 127}, ArcLineIntersectExp {{86, 98}, quarter_pi}}, {{0, 0}, {0, 100}, {100, 0}, {0, 0}, {-100, -100}, std::nullopt}, - {{0, 0}, {0, 100}, {100, 0}, {-10, 125}, {125, -10}, GlobalPosition2D {16, 99}}, - {{0, 0}, {0, 100}, {100, 0}, {125, -10}, {-10, 125}, GlobalPosition2D {99, 16}}, - {{0, 0}, {0, 100}, {100, 0}, {10, 125}, {125, -10}, GlobalPosition2D {38, 93}}, - {{0, 0}, {0, 100}, {100, 0}, {12, 80}, {125, -10}, GlobalPosition2D {99, 10}}, - {{0, 0}, {0, 100}, {100, 0}, {40, 80}, {125, -10}, GlobalPosition2D {98, 18}}, + {{0, 0}, {0, 100}, {100, 0}, {-10, 125}, {125, -10}, ArcLineIntersectExp {{16, 99}, 0.164F}}, + {{0, 0}, {0, 100}, {100, 0}, {125, -10}, {-10, 125}, ArcLineIntersectExp {{99, 16}, 1.407F}}, + {{0, 0}, {0, 100}, {100, 0}, {10, 125}, {125, -10}, ArcLineIntersectExp {{38, 93}, 0.385F}}, + {{0, 0}, {0, 100}, {100, 0}, {12, 80}, {125, -10}, ArcLineIntersectExp {{99, 10}, 1.467F}}, + {{0, 0}, {0, 100}, {100, 0}, {40, 80}, {125, -10}, ArcLineIntersectExp {{98, 18}, 1.387F}}, {{0, 0}, {0, 100}, {100, 0}, {40, 80}, {80, 20}, std::nullopt}, - {{0, 0}, {0, 100}, {100, 0}, {40, 80}, {80, 80}, GlobalPosition2D {60, 80}}, - {{0, 0}, {0, 100}, {100, 0}, {80, 40}, {80, 80}, GlobalPosition2D {80, 60}}, + {{0, 0}, {0, 100}, {100, 0}, {40, 80}, {80, 80}, ArcLineIntersectExp {{60, 80}, 0.6435F}}, + {{0, 0}, {0, 100}, {100, 0}, {80, 40}, {80, 80}, ArcLineIntersectExp {{80, 60}, 0.9273F}}, {{310002000, 490203000}, {310202000, 490203000}, {310002000, 490003000}, {310200000, 490150000}, - {310150000, 490150000}, GlobalPosition2D {310194850, 490150000}}, + {310150000, 490150000}, ArcLineIntersectExp {{310194850, 490150000}, 1.839F}}, }), - centre, arcStart, arcEnd, lineStart, lineEnd, intersection) + centre, arcStart, arcEnd, lineStart, lineEnd, expected) { const ArcSegment arc {centre, arcStart, arcEnd}; BOOST_TEST_INFO(arc.first); BOOST_TEST_INFO(arc.second); BOOST_TEST_INFO(arc.length()); - BOOST_CHECK_EQUAL(arc.crossesLineAt(lineStart, lineEnd), intersection); + const auto intersection = arc.crossesLineAt(lineStart, lineEnd); + BOOST_REQUIRE_EQUAL(expected.has_value(), intersection.has_value()); + if (expected.has_value()) { + BOOST_CHECK_EQUAL(expected->first, intersection->first); + BOOST_CHECK_CLOSE(expected->second, intersection->second, 1.F); + } } |