aabb.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2016 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 */
28 
29 #pragma once
30 
31 #include "vec3.h"
32 #include "cl_math.h"
33 
34 namespace clan
35 {
38 
40  {
41  public:
43  AxisAlignedBoundingBox(const Vec3f &aabb_min, const Vec3f &aabb_max) : aabb_min(aabb_min), aabb_max(aabb_max) { }
44  AxisAlignedBoundingBox(const AxisAlignedBoundingBox &aabb, const Vec3f &barycentric_min, const Vec3f &barycentric_max)
45  : aabb_min(mix(aabb.aabb_min, aabb.aabb_max, barycentric_min)), aabb_max(mix(aabb.aabb_min, aabb.aabb_max, barycentric_max)) { }
46 
47  Vec3f center() const { return (aabb_max + aabb_min) * 0.5f; }
48  Vec3f extents() const { return (aabb_max - aabb_min) * 0.5f; }
49 
52  };
53 
55 }
Definition: clanapp.h:35
AxisAlignedBoundingBox()
Definition: aabb.h:42
Vec3f aabb_max
Definition: aabb.h:51
Definition: aabb.h:39
Vec3f extents() const
Definition: aabb.h:48
Vec3f aabb_min
Definition: aabb.h:50
AxisAlignedBoundingBox(const Vec3f &aabb_min, const Vec3f &aabb_max)
Definition: aabb.h:43
Vec3f center() const
Definition: aabb.h:47
A mix(A a, B b, C mix)
Definition: cl_math.h:103
AxisAlignedBoundingBox(const AxisAlignedBoundingBox &aabb, const Vec3f &barycentric_min, const Vec3f &barycentric_max)
Definition: aabb.h:44