vrshoot
diff libs/assimp/StandardShapes.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 01 Feb 2014 19:58:19 +0200 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/assimp/StandardShapes.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,196 @@ 1.4 +/* 1.5 +Open Asset Import Library (assimp) 1.6 +---------------------------------------------------------------------- 1.7 + 1.8 +Copyright (c) 2006-2012, assimp team 1.9 +All rights reserved. 1.10 + 1.11 +Redistribution and use of this software in source and binary forms, 1.12 +with or without modification, are permitted provided that the 1.13 +following conditions are met: 1.14 + 1.15 +* Redistributions of source code must retain the above 1.16 + copyright notice, this list of conditions and the 1.17 + following disclaimer. 1.18 + 1.19 +* Redistributions in binary form must reproduce the above 1.20 + copyright notice, this list of conditions and the 1.21 + following disclaimer in the documentation and/or other 1.22 + materials provided with the distribution. 1.23 + 1.24 +* Neither the name of the assimp team, nor the names of its 1.25 + contributors may be used to endorse or promote products 1.26 + derived from this software without specific prior 1.27 + written permission of the assimp team. 1.28 + 1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.40 + 1.41 +---------------------------------------------------------------------- 1.42 +*/ 1.43 + 1.44 +/** @file Declares a helper class, "StandardShapes" which generates 1.45 + * vertices for standard shapes, such as cylnders, cones, spheres .. 1.46 + */ 1.47 +#ifndef AI_STANDARD_SHAPES_H_INC 1.48 +#define AI_STANDARD_SHAPES_H_INC 1.49 + 1.50 +#include <vector> 1.51 + 1.52 + 1.53 +namespace Assimp { 1.54 + 1.55 +// --------------------------------------------------------------------------- 1.56 +/** \brief Helper class to generate vertex buffers for standard geometric 1.57 + * shapes, such as cylinders, cones, boxes, spheres, elipsoids ... . 1.58 + */ 1.59 +class StandardShapes 1.60 +{ 1.61 + // class cannot be instanced 1.62 + StandardShapes() {} 1.63 + 1.64 +public: 1.65 + 1.66 + 1.67 + // ---------------------------------------------------------------- 1.68 + /** Generates a mesh from an array of vertex positions. 1.69 + * 1.70 + * @param positions List of vertex positions 1.71 + * @param numIndices Number of indices per primitive 1.72 + * @return Output mesh 1.73 + */ 1.74 + static aiMesh* MakeMesh(const std::vector<aiVector3D>& positions, 1.75 + unsigned int numIndices); 1.76 + 1.77 + 1.78 + static aiMesh* MakeMesh ( unsigned int (*GenerateFunc) 1.79 + (std::vector<aiVector3D>&)); 1.80 + 1.81 + static aiMesh* MakeMesh ( unsigned int (*GenerateFunc) 1.82 + (std::vector<aiVector3D>&, bool)); 1.83 + 1.84 + static aiMesh* MakeMesh ( unsigned int n, void (*GenerateFunc) 1.85 + (unsigned int,std::vector<aiVector3D>&)); 1.86 + 1.87 + // ---------------------------------------------------------------- 1.88 + /** @brief Generates a hexahedron (cube) 1.89 + * 1.90 + * Hexahedrons can be scaled on all axes. 1.91 + * @param positions Receives output triangles. 1.92 + * @param polygons If you pass true here quads will be returned 1.93 + * @return Number of vertices per face 1.94 + */ 1.95 + static unsigned int MakeHexahedron( 1.96 + std::vector<aiVector3D>& positions, 1.97 + bool polygons = false); 1.98 + 1.99 + // ---------------------------------------------------------------- 1.100 + /** @brief Generates an icosahedron 1.101 + * 1.102 + * @param positions Receives output triangles. 1.103 + * @return Number of vertices per face 1.104 + */ 1.105 + static unsigned int MakeIcosahedron( 1.106 + std::vector<aiVector3D>& positions); 1.107 + 1.108 + 1.109 + // ---------------------------------------------------------------- 1.110 + /** @brief Generates a dodecahedron 1.111 + * 1.112 + * @param positions Receives output triangles 1.113 + * @param polygons If you pass true here pentagons will be returned 1.114 + * @return Number of vertices per face 1.115 + */ 1.116 + static unsigned int MakeDodecahedron( 1.117 + std::vector<aiVector3D>& positions, 1.118 + bool polygons = false); 1.119 + 1.120 + 1.121 + // ---------------------------------------------------------------- 1.122 + /** @brief Generates an octahedron 1.123 + * 1.124 + * @param positions Receives output triangles. 1.125 + * @return Number of vertices per face 1.126 + */ 1.127 + static unsigned int MakeOctahedron( 1.128 + std::vector<aiVector3D>& positions); 1.129 + 1.130 + 1.131 + // ---------------------------------------------------------------- 1.132 + /** @brief Generates a tetrahedron 1.133 + * 1.134 + * @param positions Receives output triangles. 1.135 + * @return Number of vertices per face 1.136 + */ 1.137 + static unsigned int MakeTetrahedron( 1.138 + std::vector<aiVector3D>& positions); 1.139 + 1.140 + 1.141 + 1.142 + // ---------------------------------------------------------------- 1.143 + /** @brief Generates a sphere 1.144 + * 1.145 + * @param tess Number of subdivions - 0 generates a octahedron 1.146 + * @param positions Receives output triangles. 1.147 + */ 1.148 + static void MakeSphere(unsigned int tess, 1.149 + std::vector<aiVector3D>& positions); 1.150 + 1.151 + 1.152 + // ---------------------------------------------------------------- 1.153 + /** @brief Generates a cone or a cylinder, either open or closed. 1.154 + * 1.155 + * @code 1.156 + * 1.157 + * |-----| <- radius 1 1.158 + * 1.159 + * __x__ <- ] ^ 1.160 + * / \ | height | 1.161 + * / \ | Y 1.162 + * / \ | 1.163 + * / \ | 1.164 + * /______x______\ <- ] <- end cap 1.165 + * 1.166 + * |-------------| <- radius 2 1.167 + * 1.168 + * @endcode 1.169 + * 1.170 + * @param height Height of the cone 1.171 + * @param radius1 First radius 1.172 + * @param radius2 Second radius 1.173 + * @param tess Number of triangles. 1.174 + * @param bOpened true for an open cone/cylinder. An open shape has 1.175 + * no 'end caps' 1.176 + * @param positions Receives output triangles 1.177 + */ 1.178 + static void MakeCone(float height,float radius1, 1.179 + float radius2,unsigned int tess, 1.180 + std::vector<aiVector3D>& positions,bool bOpen= false); 1.181 + 1.182 + 1.183 + // ---------------------------------------------------------------- 1.184 + /** @brief Generates a flat circle 1.185 + * 1.186 + * The circle is constructed in the planed formed by the x,z 1.187 + * axes of the cartesian coordinate system. 1.188 + * 1.189 + * @param radius Radius of the circle 1.190 + * @param tess Number of segments. 1.191 + * @param positions Receives output triangles. 1.192 + */ 1.193 + static void MakeCircle(float radius, unsigned int tess, 1.194 + std::vector<aiVector3D>& positions); 1.195 + 1.196 +}; 1.197 +} // ! Assimp 1.198 + 1.199 +#endif // !! AI_STANDARD_SHAPES_H_INC