miniassimp

annotate include/miniassimp/vector3.inl @ 0:879c81d94345

find changesets by author, revision, files, or words in the commit message
initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 28 Jan 2019 18:19:26 +0200
parents
children
rev   line source
nuclear@0 1 /*
nuclear@0 2 ---------------------------------------------------------------------------
nuclear@0 3 Open Asset Import Library (assimp)
nuclear@0 4 ---------------------------------------------------------------------------
nuclear@0 5
nuclear@0 6 Copyright (c) 2006-2018, assimp team
nuclear@0 7
nuclear@0 8
nuclear@0 9
nuclear@0 10 All rights reserved.
nuclear@0 11
nuclear@0 12 Redistribution and use of this software in source and binary forms,
nuclear@0 13 with or without modification, are permitted provided that the following
nuclear@0 14 conditions are met:
nuclear@0 15
nuclear@0 16 * Redistributions of source code must retain the above
nuclear@0 17 copyright notice, this list of conditions and the
nuclear@0 18 following disclaimer.
nuclear@0 19
nuclear@0 20 * Redistributions in binary form must reproduce the above
nuclear@0 21 copyright notice, this list of conditions and the
nuclear@0 22 following disclaimer in the documentation and/or other
nuclear@0 23 materials provided with the distribution.
nuclear@0 24
nuclear@0 25 * Neither the name of the assimp team, nor the names of its
nuclear@0 26 contributors may be used to endorse or promote products
nuclear@0 27 derived from this software without specific prior
nuclear@0 28 written permission of the assimp team.
nuclear@0 29
nuclear@0 30 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 31 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 32 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 33 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 34 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 35 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 36 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 37 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 38 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 39 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 40 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 41 ---------------------------------------------------------------------------
nuclear@0 42 */
nuclear@0 43
nuclear@0 44 /** @file vector3.inl
nuclear@0 45 * @brief Inline implementation of aiVector3t<TReal> operators
nuclear@0 46 */
nuclear@0 47 #pragma once
nuclear@0 48 #ifndef AI_VECTOR3D_INL_INC
nuclear@0 49 #define AI_VECTOR3D_INL_INC
nuclear@0 50
nuclear@0 51 #ifdef __cplusplus
nuclear@0 52 #include "vector3.h"
nuclear@0 53
nuclear@0 54 #include <cmath>
nuclear@0 55
nuclear@0 56 // ------------------------------------------------------------------------------------------------
nuclear@0 57 /** Transformation of a vector by a 3x3 matrix */
nuclear@0 58 template <typename TReal>
nuclear@0 59 AI_FORCE_INLINE
nuclear@0 60 aiVector3t<TReal> operator * (const aiMatrix3x3t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) {
nuclear@0 61 aiVector3t<TReal> res;
nuclear@0 62 res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z;
nuclear@0 63 res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z;
nuclear@0 64 res.z = pMatrix.c1 * pVector.x + pMatrix.c2 * pVector.y + pMatrix.c3 * pVector.z;
nuclear@0 65 return res;
nuclear@0 66 }
nuclear@0 67
nuclear@0 68 // ------------------------------------------------------------------------------------------------
nuclear@0 69 /** Transformation of a vector by a 4x4 matrix */
nuclear@0 70 template <typename TReal>
nuclear@0 71 AI_FORCE_INLINE
nuclear@0 72 aiVector3t<TReal> operator * (const aiMatrix4x4t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) {
nuclear@0 73 aiVector3t<TReal> res;
nuclear@0 74 res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z + pMatrix.a4;
nuclear@0 75 res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z + pMatrix.b4;
nuclear@0 76 res.z = pMatrix.c1 * pVector.x + pMatrix.c2 * pVector.y + pMatrix.c3 * pVector.z + pMatrix.c4;
nuclear@0 77 return res;
nuclear@0 78 }
nuclear@0 79 // ------------------------------------------------------------------------------------------------
nuclear@0 80 template <typename TReal>
nuclear@0 81 template <typename TOther>
nuclear@0 82 aiVector3t<TReal>::operator aiVector3t<TOther> () const {
nuclear@0 83 return aiVector3t<TOther>(static_cast<TOther>(x),static_cast<TOther>(y),static_cast<TOther>(z));
nuclear@0 84 }
nuclear@0 85 // ------------------------------------------------------------------------------------------------
nuclear@0 86 template <typename TReal>
nuclear@0 87 AI_FORCE_INLINE
nuclear@0 88 void aiVector3t<TReal>::Set( TReal pX, TReal pY, TReal pZ) {
nuclear@0 89 x = pX;
nuclear@0 90 y = pY;
nuclear@0 91 z = pZ;
nuclear@0 92 }
nuclear@0 93 // ------------------------------------------------------------------------------------------------
nuclear@0 94 template <typename TReal>
nuclear@0 95 AI_FORCE_INLINE
nuclear@0 96 TReal aiVector3t<TReal>::SquareLength() const {
nuclear@0 97 return x*x + y*y + z*z;
nuclear@0 98 }
nuclear@0 99 // ------------------------------------------------------------------------------------------------
nuclear@0 100 template <typename TReal>
nuclear@0 101 AI_FORCE_INLINE
nuclear@0 102 TReal aiVector3t<TReal>::Length() const {
nuclear@0 103 return std::sqrt( SquareLength());
nuclear@0 104 }
nuclear@0 105 // ------------------------------------------------------------------------------------------------
nuclear@0 106 template <typename TReal>
nuclear@0 107 AI_FORCE_INLINE
nuclear@0 108 aiVector3t<TReal>& aiVector3t<TReal>::Normalize() {
nuclear@0 109 *this /= Length();
nuclear@0 110
nuclear@0 111 return *this;
nuclear@0 112 }
nuclear@0 113 // ------------------------------------------------------------------------------------------------
nuclear@0 114 template <typename TReal>
nuclear@0 115 AI_FORCE_INLINE
nuclear@0 116 aiVector3t<TReal>& aiVector3t<TReal>::NormalizeSafe() {
nuclear@0 117 TReal len = Length();
nuclear@0 118 if ( len > static_cast< TReal >( 0 ) ) {
nuclear@0 119 *this /= len;
nuclear@0 120 }
nuclear@0 121 return *this;
nuclear@0 122 }
nuclear@0 123 // ------------------------------------------------------------------------------------------------
nuclear@0 124 template <typename TReal>
nuclear@0 125 AI_FORCE_INLINE
nuclear@0 126 const aiVector3t<TReal>& aiVector3t<TReal>::operator += (const aiVector3t<TReal>& o) {
nuclear@0 127 x += o.x;
nuclear@0 128 y += o.y;
nuclear@0 129 z += o.z;
nuclear@0 130
nuclear@0 131 return *this;
nuclear@0 132 }
nuclear@0 133 // ------------------------------------------------------------------------------------------------
nuclear@0 134 template <typename TReal>
nuclear@0 135 AI_FORCE_INLINE
nuclear@0 136 const aiVector3t<TReal>& aiVector3t<TReal>::operator -= (const aiVector3t<TReal>& o) {
nuclear@0 137 x -= o.x;
nuclear@0 138 y -= o.y;
nuclear@0 139 z -= o.z;
nuclear@0 140
nuclear@0 141 return *this;
nuclear@0 142 }
nuclear@0 143 // ------------------------------------------------------------------------------------------------
nuclear@0 144 template <typename TReal>
nuclear@0 145 AI_FORCE_INLINE
nuclear@0 146 const aiVector3t<TReal>& aiVector3t<TReal>::operator *= (TReal f) {
nuclear@0 147 x *= f;
nuclear@0 148 y *= f;
nuclear@0 149 z *= f;
nuclear@0 150
nuclear@0 151 return *this;
nuclear@0 152 }
nuclear@0 153 // ------------------------------------------------------------------------------------------------
nuclear@0 154 template <typename TReal>
nuclear@0 155 AI_FORCE_INLINE
nuclear@0 156 const aiVector3t<TReal>& aiVector3t<TReal>::operator /= (TReal f) {
nuclear@0 157 const TReal invF = (TReal) 1.0 / f;
nuclear@0 158 x *= invF;
nuclear@0 159 y *= invF;
nuclear@0 160 z *= invF;
nuclear@0 161
nuclear@0 162 return *this;
nuclear@0 163 }
nuclear@0 164 // ------------------------------------------------------------------------------------------------
nuclear@0 165 template <typename TReal>
nuclear@0 166 AI_FORCE_INLINE
nuclear@0 167 aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix3x3t<TReal>& mat){
nuclear@0 168 return (*this = mat * (*this));
nuclear@0 169 }
nuclear@0 170 // ------------------------------------------------------------------------------------------------
nuclear@0 171 template <typename TReal>
nuclear@0 172 AI_FORCE_INLINE
nuclear@0 173 aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix4x4t<TReal>& mat){
nuclear@0 174 return (*this = mat * (*this));
nuclear@0 175 }
nuclear@0 176 // ------------------------------------------------------------------------------------------------
nuclear@0 177 template <typename TReal>
nuclear@0 178 AI_FORCE_INLINE
nuclear@0 179 TReal aiVector3t<TReal>::operator[](unsigned int i) const {
nuclear@0 180 switch (i) {
nuclear@0 181 case 0:
nuclear@0 182 return x;
nuclear@0 183 case 1:
nuclear@0 184 return y;
nuclear@0 185 case 2:
nuclear@0 186 return z;
nuclear@0 187 default:
nuclear@0 188 break;
nuclear@0 189 }
nuclear@0 190 return x;
nuclear@0 191 }
nuclear@0 192 // ------------------------------------------------------------------------------------------------
nuclear@0 193 template <typename TReal>
nuclear@0 194 AI_FORCE_INLINE
nuclear@0 195 TReal& aiVector3t<TReal>::operator[](unsigned int i) {
nuclear@0 196 // return *(&x + i);
nuclear@0 197 switch (i) {
nuclear@0 198 case 0:
nuclear@0 199 return x;
nuclear@0 200 case 1:
nuclear@0 201 return y;
nuclear@0 202 case 2:
nuclear@0 203 return z;
nuclear@0 204 default:
nuclear@0 205 break;
nuclear@0 206 }
nuclear@0 207 return x;
nuclear@0 208 }
nuclear@0 209 // ------------------------------------------------------------------------------------------------
nuclear@0 210 template <typename TReal>
nuclear@0 211 AI_FORCE_INLINE
nuclear@0 212 bool aiVector3t<TReal>::operator== (const aiVector3t<TReal>& other) const {
nuclear@0 213 return x == other.x && y == other.y && z == other.z;
nuclear@0 214 }
nuclear@0 215 // ------------------------------------------------------------------------------------------------
nuclear@0 216 template <typename TReal>
nuclear@0 217 AI_FORCE_INLINE
nuclear@0 218 bool aiVector3t<TReal>::operator!= (const aiVector3t<TReal>& other) const {
nuclear@0 219 return x != other.x || y != other.y || z != other.z;
nuclear@0 220 }
nuclear@0 221 // ---------------------------------------------------------------------------
nuclear@0 222 template<typename TReal>
nuclear@0 223 AI_FORCE_INLINE
nuclear@0 224 bool aiVector3t<TReal>::Equal(const aiVector3t<TReal>& other, TReal epsilon) const {
nuclear@0 225 return
nuclear@0 226 std::abs(x - other.x) <= epsilon &&
nuclear@0 227 std::abs(y - other.y) <= epsilon &&
nuclear@0 228 std::abs(z - other.z) <= epsilon;
nuclear@0 229 }
nuclear@0 230 // ------------------------------------------------------------------------------------------------
nuclear@0 231 template <typename TReal>
nuclear@0 232 AI_FORCE_INLINE
nuclear@0 233 bool aiVector3t<TReal>::operator < (const aiVector3t<TReal>& other) const {
nuclear@0 234 return x != other.x ? x < other.x : y != other.y ? y < other.y : z < other.z;
nuclear@0 235 }
nuclear@0 236 // ------------------------------------------------------------------------------------------------
nuclear@0 237 template <typename TReal>
nuclear@0 238 AI_FORCE_INLINE
nuclear@0 239 const aiVector3t<TReal> aiVector3t<TReal>::SymMul(const aiVector3t<TReal>& o) {
nuclear@0 240 return aiVector3t<TReal>(x*o.x,y*o.y,z*o.z);
nuclear@0 241 }
nuclear@0 242 // ------------------------------------------------------------------------------------------------
nuclear@0 243 // symmetric addition
nuclear@0 244 template <typename TReal>
nuclear@0 245 AI_FORCE_INLINE
nuclear@0 246 aiVector3t<TReal> operator + (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
nuclear@0 247 return aiVector3t<TReal>( v1.x + v2.x, v1.y + v2.y, v1.z + v2.z);
nuclear@0 248 }
nuclear@0 249 // ------------------------------------------------------------------------------------------------
nuclear@0 250 // symmetric subtraction
nuclear@0 251 template <typename TReal>
nuclear@0 252 AI_FORCE_INLINE
nuclear@0 253 aiVector3t<TReal> operator - (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
nuclear@0 254 return aiVector3t<TReal>( v1.x - v2.x, v1.y - v2.y, v1.z - v2.z);
nuclear@0 255 }
nuclear@0 256 // ------------------------------------------------------------------------------------------------
nuclear@0 257 // scalar product
nuclear@0 258 template <typename TReal>
nuclear@0 259 AI_FORCE_INLINE
nuclear@0 260 TReal operator * (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
nuclear@0 261 return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z;
nuclear@0 262 }
nuclear@0 263 // ------------------------------------------------------------------------------------------------
nuclear@0 264 // scalar multiplication
nuclear@0 265 template <typename TReal>
nuclear@0 266 AI_FORCE_INLINE
nuclear@0 267 aiVector3t<TReal> operator * ( TReal f, const aiVector3t<TReal>& v) {
nuclear@0 268 return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z);
nuclear@0 269 }
nuclear@0 270 // ------------------------------------------------------------------------------------------------
nuclear@0 271 // and the other way around
nuclear@0 272 template <typename TReal>
nuclear@0 273 AI_FORCE_INLINE
nuclear@0 274 aiVector3t<TReal> operator * ( const aiVector3t<TReal>& v, TReal f) {
nuclear@0 275 return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z);
nuclear@0 276 }
nuclear@0 277 // ------------------------------------------------------------------------------------------------
nuclear@0 278 // scalar division
nuclear@0 279 template <typename TReal>
nuclear@0 280 AI_FORCE_INLINE
nuclear@0 281 aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, TReal f) {
nuclear@0 282 return v * (1/f);
nuclear@0 283 }
nuclear@0 284 // ------------------------------------------------------------------------------------------------
nuclear@0 285 // vector division
nuclear@0 286 template <typename TReal>
nuclear@0 287 AI_FORCE_INLINE
nuclear@0 288 aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, const aiVector3t<TReal>& v2) {
nuclear@0 289 return aiVector3t<TReal>(v.x / v2.x,v.y / v2.y,v.z / v2.z);
nuclear@0 290 }
nuclear@0 291 // ------------------------------------------------------------------------------------------------
nuclear@0 292 // cross product
nuclear@0 293 template<typename TReal>
nuclear@0 294 AI_FORCE_INLINE
nuclear@0 295 aiVector3t<TReal> operator ^ ( const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
nuclear@0 296 return aiVector3t<TReal>( v1.y*v2.z - v1.z*v2.y, v1.z*v2.x - v1.x*v2.z, v1.x*v2.y - v1.y*v2.x);
nuclear@0 297 }
nuclear@0 298 // ------------------------------------------------------------------------------------------------
nuclear@0 299 // vector negation
nuclear@0 300 template<typename TReal>
nuclear@0 301 AI_FORCE_INLINE
nuclear@0 302 aiVector3t<TReal> operator - ( const aiVector3t<TReal>& v) {
nuclear@0 303 return aiVector3t<TReal>( -v.x, -v.y, -v.z);
nuclear@0 304 }
nuclear@0 305
nuclear@0 306 // ------------------------------------------------------------------------------------------------
nuclear@0 307
nuclear@0 308 #endif // __cplusplus
nuclear@0 309 #endif // AI_VECTOR3D_INL_INC