From 7b09710392d35fb55b52031d447a542d99fc6b4b Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Tue, 19 Aug 2014 17:10:03 -0400 Subject: Modularize the libdimension codebase. --- libdimension/dimension/model/objects.h | 103 +++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 libdimension/dimension/model/objects.h (limited to 'libdimension/dimension/model/objects.h') diff --git a/libdimension/dimension/model/objects.h b/libdimension/dimension/model/objects.h new file mode 100644 index 0000000..2865d82 --- /dev/null +++ b/libdimension/dimension/model/objects.h @@ -0,0 +1,103 @@ +/************************************************************************* + * Copyright (C) 2009-2014 Tavian Barnes * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library is free software; you can redistribute it and/ * + * or modify it under the terms of the GNU Lesser General Public License * + * as published by the Free Software Foundation; either version 3 of the * + * License, or (at your option) any later version. * + * * + * The Dimension 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 GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this program. If not, see * + * . * + *************************************************************************/ + +/** + * @file + * Pre-defined objects. + */ + +#include + +/** + * A flat triangle. + * @param[in] pool The memory pool to allocate from. + * @param[in] vertices The corners of the triangle. + * @return A triangle. + */ +dmnsn_object *dmnsn_new_triangle(dmnsn_pool *pool, dmnsn_vector vertices[3]); + +/** + * A triangle, with normals interpolated between the points. + * @param[in] pool The memory pool to allocate from. + * @param[in] vertices The corners of the triangle. + * @param[in] normals The normals at each corner. + * @return A smooth triangle. + */ +dmnsn_object *dmnsn_new_smooth_triangle(dmnsn_pool *pool, dmnsn_vector vertices[3], dmnsn_vector normals[3]); + +/** + * A triangle fan. + * @param[in] pool The memory pool to allocate from. + * @param[in] vertices The vertices of the fan, starting in the center. + * @param[in] nvertices The number of vertices. + * @return A triangle fan. + */ +dmnsn_object *dmnsn_new_triangle_fan(dmnsn_pool *pool, dmnsn_vector vertices[], size_t nvertices); + +/** + * A smooth triangle fan. + * @param[in] pool The memory pool to allocate from. + * @param[in] vertices The vertices of the fan, starting in the center. + * @param[in] normals The normal vector for each vertex. + * @param[in] nvertices The number of vertices. + * @return A triangle fan. + */ +dmnsn_object *dmnsn_new_smooth_triangle_fan(dmnsn_pool *pool, dmnsn_vector vertices[], dmnsn_vector normals[], size_t nvertices); + +/** + * A plane. + * @param[in] pool The memory pool to allocate from. + * @param[in] normal The normal vector of the plane. + * @return A plane through the origin, with the given normal. + */ +dmnsn_object *dmnsn_new_plane(dmnsn_pool *pool, dmnsn_vector normal); + +/** + * A sphere. + * @param[in] pool The memory pool to allocate from. + * @return A sphere of radius 1, centered at the origin. + */ +dmnsn_object *dmnsn_new_sphere(dmnsn_pool *pool); + +/** + * A cube. + * @param[in] pool The memory pool to allocate from. + * @return An axis-aligned cube, from (-1, -1, -1) to (1, 1, 1). + */ +dmnsn_object *dmnsn_new_cube(dmnsn_pool *pool); + +/** + * A cylinder/cone. + * @param[in] pool The memory pool to allocate from. + * @param[in] r1 The bottom radius. + * @param[in] r2 The top radius. + * @param[in] open Whether to render caps. + * @return A cone slice, from r = \p r1 at y = -1, to r = \p r2 at y = 1 + */ +dmnsn_object *dmnsn_new_cone(dmnsn_pool *pool, double r1, double r2, bool open); + +/** + * A torus. + * @param[in] pool The memory pool to allocate from. + * @param[in] major The major radius. + * @param[in] minor The minor radius. + * @return A torus, centered at the origin and lying in the x-z plane. + */ +dmnsn_object *dmnsn_new_torus(dmnsn_pool *pool, double major, double minor); -- cgit v1.2.3