diff options
Diffstat (limited to 'extern/bullet2/src/BulletCollision/Gimpact/gim_clip_polygon.h')
| -rw-r--r-- | extern/bullet2/src/BulletCollision/Gimpact/gim_clip_polygon.h | 181 |
1 files changed, 85 insertions, 96 deletions
diff --git a/extern/bullet2/src/BulletCollision/Gimpact/gim_clip_polygon.h b/extern/bullet2/src/BulletCollision/Gimpact/gim_clip_polygon.h index e342459ce56..57b9c5c91ad 100644 --- a/extern/bullet2/src/BulletCollision/Gimpact/gim_clip_polygon.h +++ b/extern/bullet2/src/BulletCollision/Gimpact/gim_clip_polygon.h @@ -33,91 +33,86 @@ email: projectileman@yahoo.com ----------------------------------------------------------------------------- */ - //! 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) + 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> +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) + 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) + 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); + GREAL blendfactor = -dist0 / (dist1 - dist0); + VEC_BLEND(clipped[clipped_count], point0, point1, blendfactor); clipped_count++; } - if(!_classif) + if (!_classif) { - VEC_COPY(clipped[clipped_count],point1); + 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> +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) + 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; + GUINT clipped_count = 0; - - //clip first point - GREAL firstdist = distance_func(plane,polygon_points[0]);; - if(!(firstdist>G_EPSILON)) + //clip first point + GREAL firstdist = distance_func(plane, polygon_points[0]); + ; + if (!(firstdist > G_EPSILON)) { - VEC_COPY(clipped[clipped_count],polygon_points[0]); + 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]); + 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); + polygon_points[_i - 1], polygon_points[_i], + olddist, + dist, + clipped, + clipped_count); - - olddist = dist; + olddist = dist; } - //RETURN TO FIRST point + //RETURN TO FIRST point PLANE_CLIP_POLYGON_COLLECT( - polygon_points[polygon_point_count-1],polygon_points[0], - olddist, - firstdist, - clipped, - clipped_count); + polygon_points[polygon_point_count - 1], polygon_points[0], + olddist, + firstdist, + clipped, + clipped_count); return clipped_count; } @@ -126,85 +121,79 @@ SIMD_FORCE_INLINE GUINT PLANE_CLIP_POLYGON_GENERIC( /*! *\return The count of the clipped counts */ -template<typename CLASS_POINT,typename CLASS_PLANE, typename DISTANCE_PLANE_FUNC> +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) + 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; + GUINT clipped_count = 0; - //clip first point - GREAL firstdist = distance_func(plane,point0);; - if(!(firstdist>G_EPSILON)) + //clip first point + GREAL firstdist = distance_func(plane, point0); + ; + if (!(firstdist > G_EPSILON)) { - VEC_COPY(clipped[clipped_count],point0); + VEC_COPY(clipped[clipped_count], point0); clipped_count++; } // point 1 GREAL olddist = firstdist; - GREAL dist = distance_func(plane,point1); + GREAL dist = distance_func(plane, point1); PLANE_CLIP_POLYGON_COLLECT( - point0,point1, - olddist, - dist, - clipped, - clipped_count); + point0, point1, + olddist, + dist, + clipped, + clipped_count); olddist = dist; - // point 2 - dist = distance_func(plane,point2); + dist = distance_func(plane, point2); PLANE_CLIP_POLYGON_COLLECT( - point1,point2, - olddist, - dist, - clipped, - clipped_count); + point1, point2, + olddist, + dist, + clipped, + clipped_count); olddist = dist; - - //RETURN TO FIRST point PLANE_CLIP_POLYGON_COLLECT( - point2,point0, - olddist, - firstdist, - clipped, - clipped_count); + point2, point0, + olddist, + firstdist, + clipped, + clipped_count); return clipped_count; } - -template<typename CLASS_POINT,typename CLASS_PLANE> +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) + 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()); + 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> +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) + 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()); + return PLANE_CLIP_TRIANGLE_GENERIC<CLASS_POINT, CLASS_PLANE>(plane, point0, point1, point2, clipped, DISTANCE_PLANE_3D_FUNC()); } - - -#endif // GIM_TRI_COLLISION_H_INCLUDED +#endif // GIM_TRI_COLLISION_H_INCLUDED |