2 #ifndef INCLUDED_LIB3DS_QUAT_H
3 #define INCLUDED_LIB3DS_QUAT_H
5 * The 3D Studio File Format Library
6 * Copyright (C) 1996-2001 by J.E. Hoffmann <je-h@gmx.net>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or (at
12 * your option) any later version.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17 * License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * $Id: quat.h,v 1.6 2004/12/31 16:17:15 reed Exp $
26 #ifndef INCLUDED_LIB3DS_TYPES_H
27 #include <lib3ds/types.h>
34 extern LIB3DSAPI void lib3ds_quat_zero(Lib3dsQuat c);
35 extern LIB3DSAPI void lib3ds_quat_identity(Lib3dsQuat c);
36 extern LIB3DSAPI void lib3ds_quat_copy(Lib3dsQuat dest, Lib3dsQuat src);
37 extern LIB3DSAPI void lib3ds_quat_axis_angle(Lib3dsQuat c, Lib3dsVector axis, Lib3dsFloat angle);
38 extern LIB3DSAPI void lib3ds_quat_neg(Lib3dsQuat c);
39 extern LIB3DSAPI void lib3ds_quat_abs(Lib3dsQuat c);
40 extern LIB3DSAPI void lib3ds_quat_cnj(Lib3dsQuat c);
41 extern LIB3DSAPI void lib3ds_quat_mul(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat b);
42 extern LIB3DSAPI void lib3ds_quat_scalar(Lib3dsQuat c, Lib3dsFloat k);
43 extern LIB3DSAPI void lib3ds_quat_normalize(Lib3dsQuat c);
44 extern LIB3DSAPI void lib3ds_quat_inv(Lib3dsQuat c);
45 extern LIB3DSAPI Lib3dsFloat lib3ds_quat_dot(Lib3dsQuat a, Lib3dsQuat b);
46 extern LIB3DSAPI Lib3dsFloat lib3ds_quat_squared(Lib3dsQuat c);
47 extern LIB3DSAPI Lib3dsFloat lib3ds_quat_length(Lib3dsQuat c);
48 extern LIB3DSAPI void lib3ds_quat_ln(Lib3dsQuat c);
49 extern LIB3DSAPI void lib3ds_quat_ln_dif(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat b);
50 extern LIB3DSAPI void lib3ds_quat_exp(Lib3dsQuat c);
51 extern LIB3DSAPI void lib3ds_quat_slerp(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat b, Lib3dsFloat t);
52 extern LIB3DSAPI void lib3ds_quat_squad(Lib3dsQuat c, Lib3dsQuat a, Lib3dsQuat p, Lib3dsQuat q,
53 Lib3dsQuat b, Lib3dsFloat t);
54 extern LIB3DSAPI void lib3ds_quat_tangent(Lib3dsQuat c, Lib3dsQuat p, Lib3dsQuat q, Lib3dsQuat n);
55 extern LIB3DSAPI void lib3ds_quat_dump(Lib3dsQuat q);