/** * $Id$ * * ***** BEGIN GPL LICENSE BLOCK ***** * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. * All rights reserved. * * The Original Code is: some of this file. * * ***** END GPL LICENSE BLOCK ***** * */ #ifndef BLI_MATH_VECTOR #define BLI_MATH_VECTOR #ifdef __cplusplus extern "C" { #endif #ifdef BLI_MATH_INLINE #include "intern/math_vector_inline.c" #endif /************************************* Init ***********************************/ MINLINE void zero_v2(float r[2]); MINLINE void zero_v3(float r[3]); MINLINE void zero_v4(float r[4]); MINLINE void copy_v2_v2(float r[2], const float a[2]); MINLINE void copy_v3_v3(float r[3], const float a[3]); MINLINE void copy_v4_v4(float r[4], float a[4]); MINLINE void swap_v2_v2(float a[2], float b[2]); MINLINE void swap_v3_v3(float a[3], float b[3]); MINLINE void swap_v4_v4(float a[4], float b[4]); /********************************* Arithmetic ********************************/ MINLINE void add_v2_v2(float r[2], float a[2]); MINLINE void add_v2_v2v2(float r[2], float a[2], float b[2]); MINLINE void add_v3_v3(float r[3], float a[3]); MINLINE void add_v3_v3v3(float r[3], float a[3], float b[3]); MINLINE void sub_v2_v2(float r[2], float a[2]); MINLINE void sub_v2_v2v2(float r[2], float a[2], float b[2]); MINLINE void sub_v3_v3(float r[3], float a[3]); MINLINE void sub_v3_v3v3(float r[3], const float a[3], const float b[3]); MINLINE void mul_v2_fl(float r[2], float f); MINLINE void mul_v2_v2fl(float r[2], const float a[2], float f); MINLINE void mul_v3_fl(float r[3], float f); MINLINE void mul_v3_v3fl(float r[3], const float a[3], float f); MINLINE void mul_v2_v2(float r[2], const float a[2]); MINLINE void mul_v3_v3(float r[3], float a[3]); MINLINE void mul_v3_v3v3(float r[3], float a[3], float b[3]); MINLINE void madd_v3_v3fl(float r[3], float a[3], float f); MINLINE void madd_v3_v3v3(float r[3], float a[3], float b[3]); MINLINE void madd_v2_v2v2fl(float r[2], const float a[2], const float b[2], const float f); MINLINE void madd_v3_v3v3fl(float r[3], float a[3], float b[3], float f); MINLINE void madd_v3_v3v3v3(float r[3], float a[3], float b[3], float c[3]); MINLINE void negate_v3(float r[3]); MINLINE void negate_v3_v3(float r[3], const float a[3]); MINLINE float dot_v2v2(const float a[2], const float b[2]); MINLINE float dot_v3v3(const float a[3], const float b[3]); MINLINE float cross_v2v2(const float a[2], const float b[2]); MINLINE void cross_v3_v3v3(float r[3], const float a[3], const float b[3]); MINLINE void star_m3_v3(float R[3][3],float a[3]); /*********************************** Length **********************************/ MINLINE float len_v2(const float a[2]); MINLINE float len_v2v2(const float a[2], const float b[2]); MINLINE float len_v3(const float a[3]); MINLINE float len_v3v3(const float a[3], const float b[3]); MINLINE float normalize_v2(float r[2]); MINLINE float normalize_v2_v2(float r[2], const float a[2]); MINLINE float normalize_v3(float r[3]); MINLINE float normalize_v3_v3(float r[3], const float a[3]); /******************************* Interpolation *******************************/ void interp_v2_v2v2(float r[2], const float a[2], const float b[2], const float t); void interp_v2_v2v2v2(float r[2], const float a[2], const float b[2], const float c[3], const float t[3]); void interp_v3_v3v3(float r[3], const float a[3], const float b[3], const float t); void interp_v3_v3v3v3(float p[3], const float v1[3], const float v2[3], const float v3[3], const float w[3]); void interp_v3_v3v3v3v3(float p[3], const float v1[3], const float v2[3], const float v3[3], const float v4[3], const float w[4]); void mid_v3_v3v3(float r[3], float a[3], float b[3]); /********************************* Comparison ********************************/ MINLINE int is_zero_v3(float a[3]); MINLINE int is_one_v3(float a[3]); MINLINE int equals_v3v3(float a[3], float b[3]); MINLINE int compare_v3v3(float a[3], float b[3], float limit); MINLINE int compare_len_v3v3(float a[3], float b[3], float limit); MINLINE int compare_v4v4(float a[4], float b[4], float limit); /********************************** Angles ***********************************/ /* - angle with 2 arguments is angle between vector */ /* - angle with 3 arguments is angle between 3 points at the middle point */ /* - angle_normalized_* is faster equivalent if vectors are normalized */ float angle_v2v2(float a[2], float b[2]); float angle_v2v2v2(float a[2], float b[2], float c[2]); float angle_normalized_v2v2(float a[2], float b[2]); float angle_v3v3(float a[2], float b[2]); float angle_v3v3v3(float a[2], float b[2], float c[2]); float angle_normalized_v3v3(const float v1[3], const float v2[3]); void angle_tri_v3(float angles[3], const float v1[3], const float v2[3], const float v3[3]); void angle_quad_v3(float angles[4], const float v1[3], const float v2[3], const float v3[3], const float v4[3]); /********************************* Geometry **********************************/ void project_v3_v3v3(float r[3], float p[3], float n[3]); void reflect_v3_v3v3(float r[3], float v[3], float n[3]); void ortho_basis_v3v3_v3(float r1[3], float r2[3], float a[3]); void bisect_v3_v3v3v3(float r[3], float a[3], float b[3], float c[3]); /*********************************** Other ***********************************/ void print_v2(char *str, float a[2]); void print_v3(char *str, float a[3]); void print_v4(char *str, float a[4]); MINLINE void normal_short_to_float_v3(float r[3], short n[3]); MINLINE void normal_float_to_short_v3(short r[3], float n[3]); void minmax_v3_v3v3(float r[3], float min[3], float max[3]); #ifdef __cplusplus } #endif #endif /* BLI_MATH_VECTOR */