intersection_test.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2015 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
30 #pragma once
31
32 #include "vec4.h"
33 #include "vec3.h"
34
35 namespace clan
36 {
39
40 class AxisAlignedBoundingBox;
41 class OrientedBoundingBox;
42 class FrustumPlanes;
43
44 class IntersectionTest
45 {
46 public:
47 enum Result
48 {
49 outside,
50 inside,
51 intersecting,
52 };
53
54 enum OverlapResult
55 {
56 disjoint,
57 overlap
58 };
59
60 static Result plane_aabb(const Vec4f &plane, const AxisAlignedBoundingBox &aabb);
61 static Result plane_obb(const Vec4f &plane, const OrientedBoundingBox &obb);
62 static OverlapResult sphere(const Vec3f &center1, float radius1, const Vec3f &center2, float radius2);
63 static OverlapResult sphere_aabb(const Vec3f &center, float radius, const AxisAlignedBoundingBox &aabb);
64 static OverlapResult aabb(const AxisAlignedBoundingBox &a, const AxisAlignedBoundingBox &b);
65 static Result frustum_aabb(const FrustumPlanes &frustum, const AxisAlignedBoundingBox &box);
66 static Result frustum_obb(const FrustumPlanes &frustum, const OrientedBoundingBox &box);
67 static OverlapResult ray_aabb(const Vec3f &ray_start, const Vec3f &ray_end, const AxisAlignedBoundingBox &box);
68 };
69
70 }
71
clan
Definition: clanapp.h:35
clan::IntersectionTest::inside
Definition: intersection_test.h:50
clan::IntersectionTest::plane_aabb
static Result plane_aabb(const Vec4f &plane, const AxisAlignedBoundingBox &aabb)
clan::FrustumPlanes
Definition: frustum_planes.h:37
clan::IntersectionTest::sphere
static OverlapResult sphere(const Vec3f &center1, float radius1, const Vec3f &center2, float radius2)
clan::IntersectionTest::outside
Definition: intersection_test.h:49
clan::OrientedBoundingBox
Definition: obb.h:39
clan::IntersectionTest::frustum_obb
static Result frustum_obb(const FrustumPlanes &frustum, const OrientedBoundingBox &box)
clan::IntersectionTest
Definition: intersection_test.h:44
clan::IntersectionTest::intersecting
Definition: intersection_test.h:51
clan::IntersectionTest::overlap
Definition: intersection_test.h:57
clan::AxisAlignedBoundingBox
Definition: aabb.h:40
clan::IntersectionTest::sphere_aabb
static OverlapResult sphere_aabb(const Vec3f &center, float radius, const AxisAlignedBoundingBox &aabb)
clan::IntersectionTest::disjoint
Definition: intersection_test.h:56
clan::IntersectionTest::aabb
static OverlapResult aabb(const AxisAlignedBoundingBox &a, const AxisAlignedBoundingBox &b)
clan::Key::a
clan::Vec3< float >
clan::IntersectionTest::OverlapResult
OverlapResult
Definition: intersection_test.h:54
clan::IntersectionTest::frustum_aabb
static Result frustum_aabb(const FrustumPlanes &frustum, const AxisAlignedBoundingBox &box)
clan::TextAlignment::center
clan::IntersectionTest::plane_obb
static Result plane_obb(const Vec4f &plane, const OrientedBoundingBox &obb)
clan::Key::b
clan::IntersectionTest::ray_aabb
static OverlapResult ray_aabb(const Vec3f &ray_start, const Vec3f &ray_end, const AxisAlignedBoundingBox &box)
clan::Vec4< float >
clan::IntersectionTest::Result
Result
Definition: intersection_test.h:47