nerdcruft/libcruft-util
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line: add aabb intersection test

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This commit is contained in:
Danny Robson 2015-03-07 03:20:50 +11:00
parent 1ec7761309
commit 994121f2bf
1 changed files with 30 additions and 2 deletions
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32
test/line.cpp
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@ -1,9 +1,11 @@
#include "line.hpp"
#include "plane.hpp"
#include "debug.hpp"
#include "aabb.hpp"
int
main (void)
void
test_intersect_plane (void)
{
// trivial case: origin line facing z, plane at unit z facing -z.
util::line3f l ({0,0,0}, {0,0, 1});
@ -11,3 +13,29 @@ main (void)
CHECK_EQ (l.intersect (p), 1);
}
void
test_intersect_aabb (void)
{
// trivial case: unit aabb at origin, ray from (0.5,-0.5) upwards
util::AABB2f b {
{ 0.f, 0.f },
{ 1.f, 1.f }
};
util::line2f l {
{ 0.5f, -0.5f },
{ 0.f, 1.f }
};
CHECK_EQ (l.intersect (b), 0.5f);
}
int
main (void)
{
test_intersect_plane ();
test_intersect_aabb ();
}