1 /**************************************************************************
3 * Copyright 2013-2014 RAD Game Tools and Valve Software
4 * Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 **************************************************************************/
30 #include "vogl_core.h"
35 template <typename vector_type>
39 typedef vector_type vector_t;
40 typedef typename vector_type::scalar_type scalar_type;
49 inline ray(const vector_type &origin, const vector_type &direction)
50 : m_origin(origin), m_direction(direction)
60 inline const vector_type &get_origin(void) const
64 inline void set_origin(const vector_type &origin)
69 inline const vector_type &get_direction(void) const
73 inline void set_direction(const vector_type &direction)
75 m_direction = direction;
78 inline scalar_type set_endpoints(const vector_type &start, const vector_type &end, const vector_type &def)
82 m_direction = end - start;
83 return static_cast<scalar_type>(m_direction.normalize(&def));
86 inline vector_type eval(scalar_type t) const
88 return m_origin + m_direction * t;
93 vector_type m_direction;
96 typedef ray<vec2F> ray2F;
97 typedef ray<vec3F> ray3F;