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See 6ea78c53 in libix3 for more info, this replicates the change to
keep them in something resembling API parity.
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Previously one could say stop/ignore/continue.
There was no way to say stop and ignore, or stop but don't ignore.
Now there are basically two classes of returns, stop and continue,
and each of those have ignore/don't ignore sub-statuses. The naming
is changed to STOP vs. MORE and HIT vs. MISS for brevity:
typedef enum ix2_search_status_t {
IX2_SEARCH_STOP_MISS,
IX2_SEARCH_STOP_HIT,
IX2_SEARCH_MORE_MISS,
IX2_SEARCH_MORE_HIT
} ix2_search_status_t;
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This basically amounts to adding a pad_reset() wrapper.
Also incorporated resets into the test, while fixing a stupid
bug there.
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mechanical change syncing the test code with the aabb type rename
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also use v2f_t everywhere for positions instead of
the occasional float x, float y.
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libix2 implements a simple spatial index of objects described by
2D axis-aligned bounding boxes (AABB).
It does so by internally utilizing a traditional quadtree data
structure.
At this time only simple AABB and point search queries are
supported, with a simple per-match callback interface.
It may make sense to in the future add support for indexing
other 2D shapes than AABBs, like circles.
It would also make senes to add more interesting search queries
like radial ranges and such.
The intended use is for broad-phase collision detection in
2D games.
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