#include "2d.hpp" #include "test/u.hpp" #include #include namespace { AddTestCase _(1, "2d.hpp", [](TestCase& t) { t.expectEq([] { return cross({1, 2}, {4, 1}); }, -7); t.expectEq([] { return cross({.5, 2.5}, {4, 1.5}); }, -9.25); t.expectEq([] { return dot({1, 2}, {4, 1}); }, 6); t.expectTrue([] { return Circle({0, 0}, 2).contain({1, 1}); }); t.expectTrue([] { return Circle({0, 0}, 1).contain({0, 1}); }); t.expectFalse([] { return Circle({1, 0}, 1.4).contain({0, -1}); }); t.expectTrue([] { return Circle({1, 1}, 1.42).contain({0, 0}); }); t.expectEq([] { return Polygon<3>{{0, 0}, {1, 0}, {1, 1}}.vertex[0]; }, {0, 0}); t.expectTrue([] { return Polygon<3>{{0, 0}, {1, 0}, {1, 1}}.contain({.1, .05}); }); t.expectFalse([] { return Polygon<3>{{0, 0}, {1, 0}, {1, 1}}.contain({.1, .2}); }); Polygon<9> pA{{-2, -2}, {-1, -2}, {2, 0}, {1, -2}, {2, -1}, {2, -3}, {3, 1}, {1, 1}, {0, 0}}; t.expectTrue([pA] { return pA.contain({1, 0}); }); t.expectTrue([pA] { return pA.contain({0, 0}); }); t.expectTrue([pA] { return pA.contain({0, -1}); }); t.expectTrue([pA] { return pA.contain({1.52, -1.26}); }); t.expectTrue([pA] { return pA.contain({2.16, -1.9}); }); t.expectFalse([pA] { return pA.contain({1.28, -.8}); }); t.expectFalse([pA] { return pA.contain({1.68, -1.94}); }); t.expectTrue([] { return intersect(Circle({1, 1}, 2), Circle({1, 1}, 1)); }); t.expectTrue([] { return intersect(Circle({1, 1}, 1.5), Circle({3, 1}, 1.5)); }); t.expectFalse([] { return intersect(Circle({1, 1}, 1.5), Circle({3, 4}, 1.5)); }); t.expectFalse([] { return intersect(Circle({0, 0}, 1.5), Circle({-3, -4}, 1.5)); }); t.expectTrue([] { return intersect(Circle({1, 1}, 2), Polygon<3>{{0, 0}, {2, 2}, {0, 2}}); }); t.expectTrue([] { return intersect(Polygon<3>{{0, 0}, {2, 2}, {0, 2}}, Circle({1, 1}, 2)); }); t.expectTrue([] { return intersect(Circle({0, 0}, 5), Polygon<4>{{-1, -1}, {-1, 1}, {1, 1}, {1, -1}}); }); t.expectTrue([] { return intersect(Circle({0, 0}, 1), Polygon<4>{{-1, -1}, {-1, 1}, {1, 1}, {1, -1}}); }); t.expectTrue([] { return intersect(Circle({0, 0}, 1), Polygon<4>{{-1, -1}, {-1, 1}, {1, 1}, {1, -1}}); }); t.expectTrue([] { return intersect(Circle({0, 0}, 1), Polygon<3>{{-1, -1}, {-1, 1}, {1, 1}}); }); t.expectFalse([] { return intersect(Circle({0, 0}, 2), Polygon<3>{{0, -3}, {14, -3}, {0, -5}}); }); t.expectFalse([pA] { return intersect(Circle({-1, 1}, 1.4), pA); }); t.expectTrue([pA] { return intersect(Circle({-3, -2}, 1.2), pA); }); t.expectTrue([pA] { return intersect(Circle({1.83649, -.07532}, .05484), pA); }); t.expectFalse([pA] { return intersect(Circle({1.5595, -.42437}, .08794), pA); }); }); }