libcruft-util/test/geom/aabb.cpp

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#include "geom/aabb.hpp"
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#include "geom/ray.hpp"
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#include "tap.hpp"
#include <tuple>
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int
main (int, char**)
{
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util::TAP::logger tap;
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{
static struct {
util::point2f lo;
util::point2f hi;
util::point2f base;
util::vector2f direction;
float distance;
const char *message;
} const TESTS[] {
{
{ 1, 1 }, { 9, 9 },
{ 2, 2 }, { 1/std::sqrt (2.f), 1/std::sqrt (2.f) },
std::sqrt (7.f * 7 * 2),
"ray doesn't give negative distance to closest edge"
}
};
for (auto const &t: TESTS) {
util::geom::aabb2f const shape (t.lo, t.hi);
util::geom::ray2f const r {t.base, t.direction};
tap.expect_eq (distance (r, shape), t.distance, "%!", t.message);
}
};
return tap.status ();
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}