mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-02 23:26:44 +00:00
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#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 - rotates both origin and direction
|
|
*/
|
|
void rotate(const Quaternion &rot);
|
|
|
|
/**
|
|
* Rotate the ray direction only using a quaternion - origin stays fixed
|
|
*/
|
|
void rotateDirection(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;
|
|
|
|
/**
|
|
* Test and return the intersection of the ray with a triangle defned by 3 verticies
|
|
*
|
|
* @param v0 first triangle vertex
|
|
* @param v1 second triangle vertex
|
|
* @param v2 third triangle vertex
|
|
* @param loc If return is true, set to the intersection point
|
|
* @param dist If return is true, set to distance along the ray (relative to direction)
|
|
*/
|
|
bool intersectTriangle(const Vector3d &v0, const Vector3d &v1, const Vector3d &v2, Vector3d &loc, float &dist) const;
|
|
|
|
private:
|
|
Vector3d _origin;
|
|
Vector3d _direction;
|
|
};
|
|
|
|
} // end of namespace Math
|
|
|
|
#endif
|