65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
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/******************************************************************************
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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struct quat;
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struct axisang {
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union {
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struct {float x, y, z, w;};
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float ptr[4];
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};
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};
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static inline void axisang_zero(struct axisang *dst)
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{
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dst->x = 0.0f;
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dst->y = 0.0f;
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dst->z = 0.0f;
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dst->w = 0.0f;
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}
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static inline void axisang_copy(struct axisang *dst, struct axisang *aa)
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{
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dst->x = aa->x;
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dst->y = aa->y;
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dst->z = aa->z;
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dst->w = aa->w;
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}
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static inline void axisang_set(struct axisang *dst, float x, float y, float z,
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float w)
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{
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dst->x = x;
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dst->y = y;
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dst->z = z;
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dst->w = w;
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}
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EXPORT void axisang_from_quat(struct axisang *dst, const struct quat *q);
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#ifdef __cplusplus
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}
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#endif
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