//----------------------------------------------------------------------------- // Copyright (c) 2012 GarageGames, LLC // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS // IN THE SOFTWARE. //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- // AABB-triangle overlap test code originally by Tomas Akenine-Möller // Assisted by Pierre Terdiman and David Hunt // http://www.cs.lth.se/home/Tomas_Akenine_Moller/code/ // Ported to TSE by BJG, 2005-4-14 // Modified to avoid a lot of copying by ASM, 2007-9-28 //----------------------------------------------------------------------------- #ifndef _TRIBOXCHECK_H_ #define _TRIBOXCHECK_H_ #include "math/mPoint3.h" #include "math/mBox.h" bool triBoxOverlap(const Point3F &boxcenter, const Point3F &boxhalfsize, const Point3F triverts[3]); /// Massage stuff into right format for triBoxOverlap test. This is really /// just a helper function - use the other version if you want to be fast! inline bool triBoxOverlap(Box3F box, const Point3F& a, const Point3F& b, const Point3F& c) { Point3F halfSize(box.len_x() / 2.f, box.len_y() / 2.f, box.len_z() / 2.f); Point3F center; box.getCenter(¢er); Point3F verts[3] = {a,b,c}; return triBoxOverlap(center, halfSize, verts); } #endif