Mercurial > molko
view libmlk-core/mlk/core/maths.c @ 634:3930234ab1f5
examples: add basic gamepad
author | David Demelier <markand@malikania.fr> |
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date | Tue, 29 Aug 2023 13:34:10 +0200 |
parents | 95792046d3d2 |
children |
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/* * maths.c -- basic maths * * Copyright (c) 2020-2023 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" int mlk_maths_is_boxed(int x, int y, int px, int py, unsigned int pw, unsigned int ph) { return x >= px && x <= (int)(px + pw) && y >= py && y <= (int)(py + ph); } float mlk_maths_scale(float in, float old_min, float old_max, float new_min, float new_max) { return (in / ((old_max - old_min) / (new_max - new_min))) + new_min; }