Mercurial > molko
view libcore/core/maths.c @ 121:789b23e01f52
misc: reorganize hierarchy, closes #2490
author | David Demelier <markand@malikania.fr> |
---|---|
date | Mon, 05 Oct 2020 13:25:06 +0200 |
parents | src/core/maths.c@ed1a6bb02a78 |
children | eadfed7674ac |
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/* * maths.c -- basic maths * * Copyright (c) 2020 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "maths.h" bool maths_is_boxed(int x, int y, unsigned int w, unsigned int h, int px, int py) { return px >= x && py >= y && px <= x + w && py <= y + h; } void maths_centerize(int *x, int *y, unsigned int w, unsigned int h, int px, int py, unsigned int pw, unsigned int ph) { if (x) *x = px + (pw / 2) - (w / 2); if (y) *y = py + (ph / 2) - (h / 2); }