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- /* -*- c -*- */
- #ifndef INCLUDED_LIB3DS_QUAT_H
- #define INCLUDED_LIB3DS_QUAT_H
- /*
- * The 3D Studio File Format Library
- * Copyright (C) 1996-2001 by J.E. Hoffmann <je-h@gmx.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: quat.h,v 1.5 2001/01/12 10:29:17 jeh Exp $
- */
-
- #ifndef INCLUDED_LIB3DS_TYPES_H
- #include <lib3ds/types.h>
- #endif
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- extern LIB3DSAPI void lib3ds_quat_zero(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_identity(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_copy(Lib3dsQuat dest, Lib3dsQuat src);
- extern LIB3DSAPI void lib3ds_quat_axis_angle(Lib3dsQuat c, Lib3dsVector axis, Lib3dsFloat angle);
- extern LIB3DSAPI void lib3ds_quat_neg(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_abs(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_cnj(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_mul(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat b);
- extern LIB3DSAPI void lib3ds_quat_scalar(Lib3dsQuat c, Lib3dsFloat k);
- extern LIB3DSAPI void lib3ds_quat_normalize(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_inv(Lib3dsQuat c);
- extern LIB3DSAPI Lib3dsFloat lib3ds_quat_dot(Lib3dsQuat a, Lib3dsQuat b);
- extern LIB3DSAPI Lib3dsFloat lib3ds_quat_squared(Lib3dsQuat c);
- extern LIB3DSAPI Lib3dsFloat lib3ds_quat_length(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_ln(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_ln_dif(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat b);
- extern LIB3DSAPI void lib3ds_quat_exp(Lib3dsQuat c);
- extern LIB3DSAPI void lib3ds_quat_slerp(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat b, Lib3dsFloat t);
- extern LIB3DSAPI void lib3ds_quat_squad(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat p, Lib3dsQuat q,
- Lib3dsQuat b, Lib3dsFloat t);
- extern LIB3DSAPI void lib3ds_quat_tangent(Lib3dsQuat c, Lib3dsQuat p, Lib3dsQuat q, Lib3dsQuat n);
- extern LIB3DSAPI void lib3ds_quat_dump(Lib3dsQuat q);
-
- #ifdef __cplusplus
- };
- #endif
- #endif
-
-