OGRE  1.9.0
OgreRay.h
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1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2014 Torus Knot Software Ltd
8
9Permission is hereby granted, free of charge, to any person obtaining a copy
10of this software and associated documentation files (the "Software"), to deal
11in the Software without restriction, including without limitation the rights
12to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13copies of the Software, and to permit persons to whom the Software is
14furnished to do so, subject to the following conditions:
15
16The above copyright notice and this permission notice shall be included in
17all copies or substantial portions of the Software.
18
19THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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25THE SOFTWARE.
26-----------------------------------------------------------------------------
27*/
28#ifndef __Ray_H_
29#define __Ray_H_
30
31// Precompiler options
32#include "OgrePrerequisites.h"
33
34#include "OgreVector3.h"
36
37namespace Ogre {
38
47 {
48 protected:
51 public:
52 Ray():mOrigin(Vector3::ZERO), mDirection(Vector3::UNIT_Z) {}
53 Ray(const Vector3& origin, const Vector3& direction)
54 :mOrigin(origin), mDirection(direction) {}
55
57 void setOrigin(const Vector3& origin) {mOrigin = origin;}
59 const Vector3& getOrigin(void) const {return mOrigin;}
60
62 void setDirection(const Vector3& dir) {mDirection = dir;}
64 const Vector3& getDirection(void) const {return mDirection;}
65
67 Vector3 getPoint(Real t) const {
68 return Vector3(mOrigin + (mDirection * t));
69 }
70
73 return getPoint(t);
74 }
75
82 std::pair<bool, Real> intersects(const Plane& p) const
83 {
84 return Math::intersects(*this, p);
85 }
92 std::pair<bool, Real> intersects(const PlaneBoundedVolume& p) const
93 {
94 return Math::intersects(*this, p.planes, p.outside == Plane::POSITIVE_SIDE);
95 }
102 std::pair<bool, Real> intersects(const Sphere& s) const
103 {
104 return Math::intersects(*this, s);
105 }
112 std::pair<bool, Real> intersects(const AxisAlignedBox& box) const
113 {
114 return Math::intersects(*this, box);
115 }
116
117 };
121}
122#endif
#define _OgreExport
Definition: OgrePlatform.h:260
A 3D box aligned with the x/y/z axes.
Represents a convex volume bounded by planes.
PlaneList planes
Publicly accessible plane list, you can modify this direct.
Defines a plane in 3D space.
Definition: OgrePlane.h:62
Representation of a ray in space, i.e.
Definition: OgreRay.h:47
const Vector3 & getOrigin(void) const
Gets the origin of the ray.
Definition: OgreRay.h:59
Vector3 mOrigin
Definition: OgreRay.h:49
std::pair< bool, Real > intersects(const PlaneBoundedVolume &p) const
Tests whether this ray intersects the given plane bounded volume.
Definition: OgreRay.h:92
std::pair< bool, Real > intersects(const Plane &p) const
Tests whether this ray intersects the given plane.
Definition: OgreRay.h:82
void setOrigin(const Vector3 &origin)
Sets the origin of the ray.
Definition: OgreRay.h:57
std::pair< bool, Real > intersects(const AxisAlignedBox &box) const
Tests whether this ray intersects the given box.
Definition: OgreRay.h:112
Ray(const Vector3 &origin, const Vector3 &direction)
Definition: OgreRay.h:53
Vector3 getPoint(Real t) const
Gets the position of a point t units along the ray.
Definition: OgreRay.h:67
Vector3 mDirection
Definition: OgreRay.h:50
void setDirection(const Vector3 &dir)
Sets the direction of the ray.
Definition: OgreRay.h:62
std::pair< bool, Real > intersects(const Sphere &s) const
Tests whether this ray intersects the given sphere.
Definition: OgreRay.h:102
const Vector3 & getDirection(void) const
Gets the direction of the ray.
Definition: OgreRay.h:64
Vector3 operator*(Real t) const
Gets the position of a point t units along the ray.
Definition: OgreRay.h:72
A sphere primitive, mostly used for bounds checking.
Definition: OgreSphere.h:52
Standard 3-dimensional vector.
Definition: OgreVector3.h:52
float Real
Software floating point type.