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Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/******************************************************************************
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Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#pragma once
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#include "../util/c99defs.h"
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/*
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* A few general math functions that I couldn't really decide where to put.
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*
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* Polar/Cart conversion, torque functions (for smooth movement), percentage,
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* random floats.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct vec2;
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struct vec3;
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EXPORT void polar_to_cart(struct vec3 *dst, const struct vec3 *v);
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EXPORT void cart_to_polar(struct vec3 *dst, const struct vec3 *v);
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EXPORT void norm_to_polar(struct vec2 *dst, const struct vec3 *norm);
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EXPORT void polar_to_norm(struct vec3 *dst, const struct vec2 *polar);
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EXPORT float calc_torquef(float val1, float val2, float torque,
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float min_adjust, float t);
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EXPORT void calc_torque(struct vec3 *dst, const struct vec3 *v1,
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const struct vec3 *v2, float torque, float min_adjust,
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float t);
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static inline float get_percentage(float start, float end, float mid)
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{
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return (mid - start) / (end - start);
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}
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static inline float get_percentagei(int start, int end, int mid)
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{
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return (float)(mid - start) / (float)(end - start);
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}
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EXPORT float rand_float(int positive_only);
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#ifdef __cplusplus
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}
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#endif
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