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/*************************************************************************
* Copyright (C) 2009-2014 Tavian Barnes <tavianator@tavianator.com> *
* *
* 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 *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
/**
* @file
* Pre-defined objects.
*/
#include <stdbool.h>
/**
* 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] vertices 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);
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