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Blender V2.61 - r43446
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BLI_math_vector.h
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00001 /* 00002 * ***** BEGIN GPL LICENSE BLOCK ***** 00003 * 00004 * This program is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU General Public License 00006 * as published by the Free Software Foundation; either version 2 00007 * of the License, or (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software Foundation, 00016 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00017 * 00018 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. 00019 * All rights reserved. 00020 * 00021 * The Original Code is: some of this file. 00022 * 00023 * ***** END GPL LICENSE BLOCK ***** 00024 * */ 00025 00026 #ifndef BLI_MATH_VECTOR_H 00027 #define BLI_MATH_VECTOR_H 00028 00033 #ifdef __cplusplus 00034 extern "C" { 00035 #endif 00036 00037 #include "BLI_math_inline.h" 00038 00039 #ifdef BLI_MATH_INLINE_H 00040 #include "intern/math_vector_inline.c" 00041 #endif 00042 00043 /************************************* Init ***********************************/ 00044 00045 MINLINE void zero_v2(float r[2]); 00046 MINLINE void zero_v3(float r[3]); 00047 MINLINE void zero_v4(float r[4]); 00048 00049 MINLINE void copy_v2_v2(float r[2], const float a[2]); 00050 MINLINE void copy_v3_v3(float r[3], const float a[3]); 00051 MINLINE void copy_v4_v4(float r[4], const float a[4]); 00052 00053 MINLINE void swap_v2_v2(float a[2], float b[2]); 00054 MINLINE void swap_v3_v3(float a[3], float b[3]); 00055 MINLINE void swap_v4_v4(float a[4], float b[4]); 00056 00057 /* char */ 00058 MINLINE void copy_v2_v2_char(char r[2], const char a[2]); 00059 MINLINE void copy_v3_v3_char(char r[3], const char a[3]); 00060 MINLINE void copy_v4_v4_char(char r[4], const char a[4]); 00061 /* short */ 00062 MINLINE void copy_v2_v2_short(short r[2], const short a[2]); 00063 MINLINE void copy_v3_v3_short(short r[3], const short a[3]); 00064 MINLINE void copy_v4_v4_short(short r[4], const short a[4]); 00065 /* int */ 00066 MINLINE void copy_v2_v2_int(int r[2], const int a[2]); 00067 MINLINE void copy_v3_v3_int(int r[3], const int a[3]); 00068 MINLINE void copy_v4_v4_int(int r[4], const int a[4]); 00069 00070 /********************************* Arithmetic ********************************/ 00071 00072 MINLINE void add_v3_fl(float r[3], float f); 00073 MINLINE void add_v4_fl(float r[4], float f); 00074 MINLINE void add_v2_v2(float r[2], const float a[2]); 00075 MINLINE void add_v2_v2v2(float r[2], const float a[2], const float b[2]); 00076 MINLINE void add_v3_v3(float r[3], const float a[3]); 00077 MINLINE void add_v3_v3v3(float r[3], const float a[3], const float b[3]); 00078 00079 MINLINE void sub_v2_v2(float r[2], const float a[2]); 00080 MINLINE void sub_v2_v2v2(float r[2], const float a[2], const float b[2]); 00081 MINLINE void sub_v3_v3(float r[3], const float a[3]); 00082 MINLINE void sub_v3_v3v3(float r[3], const float a[3], const float b[3]); 00083 MINLINE void sub_v4_v4(float r[4], const float a[4]); 00084 MINLINE void sub_v4_v4v4(float r[4], const float a[4], const float b[4]); 00085 00086 MINLINE void mul_v2_fl(float r[2], float f); 00087 MINLINE void mul_v2_v2fl(float r[2], const float a[2], float f); 00088 MINLINE void mul_v3_fl(float r[3], float f); 00089 MINLINE void mul_v3_v3fl(float r[3], const float a[3], float f); 00090 MINLINE void mul_v2_v2(float r[2], const float a[2]); 00091 MINLINE void mul_v3_v3(float r[3], const float a[3]); 00092 MINLINE void mul_v3_v3v3(float r[3], const float a[3], const float b[3]); 00093 MINLINE void mul_v4_fl(float r[4], float f); 00094 00095 MINLINE void madd_v3_v3fl(float r[3], const float a[3], float f); 00096 MINLINE void madd_v3_v3v3(float r[3], const float a[3], const float b[3]); 00097 MINLINE void madd_v2_v2v2fl(float r[2], const float a[2], const float b[2], float f); 00098 MINLINE void madd_v3_v3v3fl(float r[3], const float a[3], const float b[3], float f); 00099 MINLINE void madd_v3_v3v3v3(float r[3], const float a[3], const float b[3], const float c[3]); 00100 MINLINE void madd_v4_v4fl(float r[4], const float a[4], float f); 00101 00102 MINLINE void negate_v2(float r[2]); 00103 MINLINE void negate_v2_v2(float r[2], const float a[2]); 00104 MINLINE void negate_v3(float r[3]); 00105 MINLINE void negate_v3_v3(float r[3], const float a[3]); 00106 MINLINE void negate_v4(float r[4]); 00107 MINLINE void negate_v4_v4(float r[4], const float a[3]); 00108 00109 MINLINE float dot_v2v2(const float a[2], const float b[2]); 00110 MINLINE float dot_v3v3(const float a[3], const float b[3]); 00111 00112 MINLINE float cross_v2v2(const float a[2], const float b[2]); 00113 MINLINE void cross_v3_v3v3(float r[3], const float a[3], const float b[3]); 00114 00115 MINLINE void star_m3_v3(float rmat[3][3],float a[3]); 00116 00117 /*********************************** Length **********************************/ 00118 00119 MINLINE float len_v2(const float a[2]); 00120 MINLINE float len_v2v2(const float a[2], const float b[2]); 00121 MINLINE float len_squared_v2v2(const float a[3], const float b[3]); 00122 MINLINE float len_v3(const float a[3]); 00123 MINLINE float len_v3v3(const float a[3], const float b[3]); 00124 MINLINE float len_squared_v3v3(const float a[3], const float b[3]); 00125 00126 MINLINE float normalize_v2(float r[2]); 00127 MINLINE float normalize_v2_v2(float r[2], const float a[2]); 00128 MINLINE float normalize_v3(float r[3]); 00129 MINLINE float normalize_v3_v3(float r[3], const float a[3]); 00130 00131 /******************************* Interpolation *******************************/ 00132 00133 void interp_v2_v2v2(float r[2], const float a[2], const float b[2], const float t); 00134 void interp_v2_v2v2v2(float r[2], const float a[2], const float b[2], const float c[3], const float t[3]); 00135 void interp_v3_v3v3(float r[3], const float a[3], const float b[3], const float t); 00136 void interp_v3_v3v3v3(float p[3], const float v1[3], const float v2[3], const float v3[3], const float w[3]); 00137 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]); 00138 void interp_v4_v4v4(float r[4], const float a[4], const float b[4], const float t); 00139 void interp_v4_v4v4v4(float p[4], const float v1[4], const float v2[4], const float v3[4], const float w[3]); 00140 void interp_v4_v4v4v4v4(float p[4], const float v1[4], const float v2[4], const float v3[4], const float v4[4], const float w[4]); 00141 00142 void mid_v3_v3v3(float r[3], const float a[3], const float b[3]); 00143 00144 /********************************* Comparison ********************************/ 00145 00146 MINLINE int is_zero_v3(const float a[3]); 00147 MINLINE int is_zero_v4(const float a[4]); 00148 MINLINE int is_one_v3(const float a[3]); 00149 00150 MINLINE int equals_v2v2(const float v1[2], const float v2[2]); 00151 MINLINE int equals_v3v3(const float a[3], const float b[3]); 00152 MINLINE int compare_v3v3(const float a[3], const float b[3], const float limit); 00153 MINLINE int compare_len_v3v3(const float a[3], const float b[3], const float limit); 00154 00155 MINLINE int compare_v4v4(const float a[4], const float b[4], const float limit); 00156 MINLINE int equals_v4v4(const float a[4], const float b[4]); 00157 00158 MINLINE float line_point_side_v2(const float l1[2], const float l2[2], const float pt[2]); 00159 00160 /********************************** Angles ***********************************/ 00161 /* - angle with 2 arguments is angle between vector */ 00162 /* - angle with 3 arguments is angle between 3 points at the middle point */ 00163 /* - angle_normalized_* is faster equivalent if vectors are normalized */ 00164 00165 float angle_v2v2(const float a[2], const float b[2]); 00166 float angle_v2v2v2(const float a[2], const float b[2], const float c[2]); 00167 float angle_normalized_v2v2(const float a[2], const float b[2]); 00168 float angle_v3v3(const float a[3], const float b[3]); 00169 float angle_v3v3v3(const float a[3], const float b[3], const float c[3]); 00170 float angle_normalized_v3v3(const float v1[3], const float v2[3]); 00171 void angle_tri_v3(float angles[3], const float v1[3], const float v2[3], const float v3[3]); 00172 void angle_quad_v3(float angles[4], const float v1[3], const float v2[3], const float v3[3], const float v4[3]); 00173 00174 /********************************* Geometry **********************************/ 00175 00176 void project_v2_v2v2(float c[2], const float v1[2], const float v2[2]); 00177 void project_v3_v3v3(float r[3], const float p[3], const float n[3]); 00178 void reflect_v3_v3v3(float r[3], const float v[3], const float n[3]); 00179 void ortho_basis_v3v3_v3(float r1[3], float r2[3], const float a[3]); 00180 void bisect_v3_v3v3v3(float r[3], const float a[3], const float b[3], const float c[3]); 00181 void rotate_v3_v3v3fl(float v[3], const float p[3], const float axis[3], const float angle); 00182 void rotate_normalized_v3_v3v3fl(float v[3], const float p[3], const float axis[3], const float angle); 00183 00184 /*********************************** Other ***********************************/ 00185 00186 void print_v2(const char *str, const float a[2]); 00187 void print_v3(const char *str, const float a[3]); 00188 void print_v4(const char *str, const float a[4]); 00189 00190 MINLINE void normal_short_to_float_v3(float r[3], const short n[3]); 00191 MINLINE void normal_float_to_short_v3(short r[3], const float n[3]); 00192 00193 void minmax_v3v3_v3(float min[3], float max[3], const float vec[3]); 00194 00195 /***************************** Array Functions *******************************/ 00196 /* attempted to follow fixed length vertex functions. names could be improved*/ 00197 double dot_vn_vn(const float *array_src_a, const float *array_src_b, const int size); 00198 float normalize_vn_vn(float *array_tar, const float *array_src, const int size); 00199 float normalize_vn(float *array_tar, const int size); 00200 void range_vn_i(int *array_tar, const int size, const int start); 00201 void range_vn_fl(float *array_tar, const int size, const float start, const float step); 00202 void negate_vn(float *array_tar, const int size); 00203 void negate_vn_vn(float *array_tar, const float *array_src, const int size); 00204 void mul_vn_fl(float *array_tar, const int size, const float f); 00205 void mul_vn_vn_fl(float *array_tar, const float *array_src, const int size, const float f); 00206 void add_vn_vn(float *array_tar, const float *array_src, const int size); 00207 void add_vn_vnvn(float *array_tar, const float *array_src_a, const float *array_src_b, const int size); 00208 void sub_vn_vn(float *array_tar, const float *array_src, const int size); 00209 void sub_vn_vnvn(float *array_tar, const float *array_src_a, const float *array_src_b, const int size); 00210 void fill_vn_i(int *array_tar, const int size, const int val); 00211 void fill_vn_fl(float *array_tar, const int size, const float val); 00212 00213 #ifdef __cplusplus 00214 } 00215 #endif 00216 00217 #endif /* BLI_MATH_VECTOR_H */ 00218