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Diffstat (limited to 'thirdparty/bullet/BulletCollision/Gimpact/gim_clip_polygon.h')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/Gimpact/gim_clip_polygon.h | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/thirdparty/bullet/BulletCollision/Gimpact/gim_clip_polygon.h b/thirdparty/bullet/BulletCollision/Gimpact/gim_clip_polygon.h deleted file mode 100644 index 57b9c5c91a..0000000000 --- a/thirdparty/bullet/BulletCollision/Gimpact/gim_clip_polygon.h +++ /dev/null @@ -1,199 +0,0 @@ -#ifndef GIM_CLIP_POLYGON_H_INCLUDED -#define GIM_CLIP_POLYGON_H_INCLUDED - -/*! \file gim_tri_collision.h -\author Francisco Leon Najera -*/ -/* ------------------------------------------------------------------------------ -This source file is part of GIMPACT Library. - -For the latest info, see http://gimpact.sourceforge.net/ - -Copyright (c) 2006 Francisco Leon Najera. C.C. 80087371. -email: projectileman@yahoo.com - - This library is free software; you can redistribute it and/or - modify it under the terms of EITHER: - (1) The GNU Lesser General Public License as published by the Free - Software Foundation; either version 2.1 of the License, or (at - your option) any later version. The text of the GNU Lesser - General Public License is included with this library in the - file GIMPACT-LICENSE-LGPL.TXT. - (2) The BSD-style license that is included with this library in - the file GIMPACT-LICENSE-BSD.TXT. - (3) The zlib/libpng license that is included with this library in - the file GIMPACT-LICENSE-ZLIB.TXT. - - This library 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 files - GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details. - ------------------------------------------------------------------------------ -*/ - -//! This function calcs the distance from a 3D plane -class DISTANCE_PLANE_3D_FUNC -{ -public: - template <typename CLASS_POINT, typename CLASS_PLANE> - inline GREAL operator()(const CLASS_PLANE& plane, const CLASS_POINT& point) - { - return DISTANCE_PLANE_POINT(plane, point); - } -}; - -template <typename CLASS_POINT> -SIMD_FORCE_INLINE void PLANE_CLIP_POLYGON_COLLECT( - const CLASS_POINT& point0, - const CLASS_POINT& point1, - GREAL dist0, - GREAL dist1, - CLASS_POINT* clipped, - GUINT& clipped_count) -{ - GUINT _prevclassif = (dist0 > G_EPSILON); - GUINT _classif = (dist1 > G_EPSILON); - if (_classif != _prevclassif) - { - GREAL blendfactor = -dist0 / (dist1 - dist0); - VEC_BLEND(clipped[clipped_count], point0, point1, blendfactor); - clipped_count++; - } - if (!_classif) - { - VEC_COPY(clipped[clipped_count], point1); - clipped_count++; - } -} - -//! Clips a polygon by a plane -/*! -*\return The count of the clipped counts -*/ -template <typename CLASS_POINT, typename CLASS_PLANE, typename DISTANCE_PLANE_FUNC> -SIMD_FORCE_INLINE GUINT PLANE_CLIP_POLYGON_GENERIC( - const CLASS_PLANE& plane, - const CLASS_POINT* polygon_points, - GUINT polygon_point_count, - CLASS_POINT* clipped, DISTANCE_PLANE_FUNC distance_func) -{ - GUINT clipped_count = 0; - - //clip first point - GREAL firstdist = distance_func(plane, polygon_points[0]); - ; - if (!(firstdist > G_EPSILON)) - { - VEC_COPY(clipped[clipped_count], polygon_points[0]); - clipped_count++; - } - - GREAL olddist = firstdist; - for (GUINT _i = 1; _i < polygon_point_count; _i++) - { - GREAL dist = distance_func(plane, polygon_points[_i]); - - PLANE_CLIP_POLYGON_COLLECT( - polygon_points[_i - 1], polygon_points[_i], - olddist, - dist, - clipped, - clipped_count); - - olddist = dist; - } - - //RETURN TO FIRST point - - PLANE_CLIP_POLYGON_COLLECT( - polygon_points[polygon_point_count - 1], polygon_points[0], - olddist, - firstdist, - clipped, - clipped_count); - - return clipped_count; -} - -//! Clips a polygon by a plane -/*! -*\return The count of the clipped counts -*/ -template <typename CLASS_POINT, typename CLASS_PLANE, typename DISTANCE_PLANE_FUNC> -SIMD_FORCE_INLINE GUINT PLANE_CLIP_TRIANGLE_GENERIC( - const CLASS_PLANE& plane, - const CLASS_POINT& point0, - const CLASS_POINT& point1, - const CLASS_POINT& point2, - CLASS_POINT* clipped, DISTANCE_PLANE_FUNC distance_func) -{ - GUINT clipped_count = 0; - - //clip first point - GREAL firstdist = distance_func(plane, point0); - ; - if (!(firstdist > G_EPSILON)) - { - VEC_COPY(clipped[clipped_count], point0); - clipped_count++; - } - - // point 1 - GREAL olddist = firstdist; - GREAL dist = distance_func(plane, point1); - - PLANE_CLIP_POLYGON_COLLECT( - point0, point1, - olddist, - dist, - clipped, - clipped_count); - - olddist = dist; - - // point 2 - dist = distance_func(plane, point2); - - PLANE_CLIP_POLYGON_COLLECT( - point1, point2, - olddist, - dist, - clipped, - clipped_count); - olddist = dist; - - //RETURN TO FIRST point - PLANE_CLIP_POLYGON_COLLECT( - point2, point0, - olddist, - firstdist, - clipped, - clipped_count); - - return clipped_count; -} - -template <typename CLASS_POINT, typename CLASS_PLANE> -SIMD_FORCE_INLINE GUINT PLANE_CLIP_POLYGON3D( - const CLASS_PLANE& plane, - const CLASS_POINT* polygon_points, - GUINT polygon_point_count, - CLASS_POINT* clipped) -{ - return PLANE_CLIP_POLYGON_GENERIC<CLASS_POINT, CLASS_PLANE>(plane, polygon_points, polygon_point_count, clipped, DISTANCE_PLANE_3D_FUNC()); -} - -template <typename CLASS_POINT, typename CLASS_PLANE> -SIMD_FORCE_INLINE GUINT PLANE_CLIP_TRIANGLE3D( - const CLASS_PLANE& plane, - const CLASS_POINT& point0, - const CLASS_POINT& point1, - const CLASS_POINT& point2, - CLASS_POINT* clipped) -{ - return PLANE_CLIP_TRIANGLE_GENERIC<CLASS_POINT, CLASS_PLANE>(plane, point0, point1, point2, clipped, DISTANCE_PLANE_3D_FUNC()); -} - -#endif // GIM_TRI_COLLISION_H_INCLUDED |