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WPCG::WP_Ray3D Class Reference
#include <WP_Ray3D.h>
List of all members.
Detailed Description
this class represents a 3D ray with for example can be used for raytracing
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Author:
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Copyright (C) 2001 W.P. van Paassen peter@paassen.tmfweb.nl
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; see the file COPYING. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Constructor & Destructor Documentation
WPCG::WP_Ray3D::WP_Ray3D |
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[inline] |
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Parameters:
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p |
a WP_Point3D object representing the start point of the ray |
v |
a WP_Vector3D object representing the direction vector of the ray |
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WPCG::WP_Ray3D::~WP_Ray3D |
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[inline] |
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Member Function Documentation
WP_Ray3D WPCG::WP_Ray3D::createInverseTransformedRay |
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const WP_Matrix3D & |
inverse_m |
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const |
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this function creates the inverse transformed ray of this ray according to an inverse object's transformation matrix. See F.S. Hill's Computer Graphics using OpenGL, second edition, page 740 -
Parameters:
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inverse_m |
the inverse transformation matrix of the obect according to which the inverse transformed ray must be computed |
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Returns:
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a WP_Ray3D object representing the inverse transformed ray
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void WPCG::WP_Ray3D::draw |
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const |
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this function draws the 3D ray to the screen using OpenGL |
float WPCG::WP_Ray3D::sphere_intersection |
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const WP_Matrix3D & |
m |
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const |
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this function computes the intersection time of this ray and a sphere.See F.S. Hill's Computer Graphics using OpenGL, second edition, page 739 and 747 |
Member Data Documentation
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a WP_Vector3D object representing the directional vector of this 3D ray |
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a WP_Point3D object representing the start point of the 3D ray |
The documentation for this class was generated from the following files:
Generated on Tue Jan 28 20:26:42 2003 by
1.2.14 written by Dimitri van Heesch,
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