1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MATH_RAY_H
#define MATH_RAY_H
#include "math/aabb.h"
#include "math/matrix4.h"
#include "math/quat.h"
#include "math/vector3d.h"
namespace Math {
/**
* A three dimensional half-line
*/
class Ray {
public:
Ray();
Ray(const Vector3d &origin, const Vector3d &direction);
Vector3d& getOrigin() { return _origin; }
Vector3d getOrigin() const { return _origin; }
Vector3d& getDirection() { return _direction; }
Vector3d getDirection() const { return _direction; }
/**
* Apply a transformation to the ray
*/
void transform(const Matrix4 &matrix);
/**
* Rotate the ray using a quaternion
*/
void rotate(const Quaternion &rot);
/**
* Translate the ray by a vector
*/
void translate(const Vector3d &v);
/**
* Test the intersection of the ray with an Axis Aligned Bounding Box
*/
bool intersectAABB(const AABB &aabb) const;
private:
Vector3d _origin;
Vector3d _direction;
};
} // end of namespace Math
#endif
|
