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/*******************************************************************************
* camera.h
*
* This module contains all defines, typedefs, and prototypes for CAMERA.CPP.
*
* ---------------------------------------------------------------------------
* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
*
* POV-Ray is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* POV-Ray 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ---------------------------------------------------------------------------
* POV-Ray is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
* ---------------------------------------------------------------------------
* $File: //depot/public/povray/3.x/source/backend/scene/camera.h $
* $Revision: #1 $
* $Change: 6069 $
* $DateTime: 2013/11/06 11:59:40 $
* $Author: chrisc $
*******************************************************************************/
#ifndef CAMERA_H
#define CAMERA_H
namespace pov
{
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
// Available camera types. [DB 8/94]
#define PERSPECTIVE_CAMERA 1
#define ORTHOGRAPHIC_CAMERA 2
#define FISHEYE_CAMERA 3
#define ULTRA_WIDE_ANGLE_CAMERA 4
#define OMNIMAX_CAMERA 5
#define PANORAMIC_CAMERA 6
#define CYL_1_CAMERA 7
#define CYL_2_CAMERA 8
#define CYL_3_CAMERA 9
#define CYL_4_CAMERA 10
#define SPHERICAL_CAMERA 11
#define MESH_CAMERA 12
/*****************************************************************************
* Global typedefs
******************************************************************************/
class Camera
{
public:
VECTOR Location;
VECTOR Direction;
VECTOR Up;
VECTOR Right;
VECTOR Sky;
VECTOR Look_At; // Used only to record the user's preference
VECTOR Focal_Point; // Used only to record the user's preference
DBL Focal_Distance, Aperture; // ARE 9/92 for focal blur.
int Blur_Samples; // ARE 9/92 for focal blur.
int Blur_Samples_Min; // Minimum number of blur samples to take regardless of confidence settings.
DBL Confidence; // Probability for confidence test.
DBL Variance; // Max. variance for confidence test.
int Type; // Camera type.
DBL Angle; // Viewing angle.
DBL H_Angle; // Spherical horizontal viewing angle
DBL V_Angle; // Spherical verticle viewing angle
TNORMAL *Tnormal; // Primary ray pertubation.
TRANSFORM *Trans; // Used only to record the user's input
PIGMENT *Bokeh; // Pigment to use for the bokeh
// the following declarations are used for the mesh camera
unsigned int Face_Distribution_Method; // how to associate a pixel to a face within a mesh
unsigned int Rays_Per_Pixel; // cast this many rays per pixel; never less than 1
bool Smooth; // if true, interpolate normals for dist #3
vector<ObjectPtr> Meshes; // list of the meshes to be used as the camera
vector<unsigned int> Mesh_Index; // used with distribution #1 to keep track of accumulated meshes
vector<unsigned int> U_Xref[10]; // used to speed up location of a matching face for distribution #3
vector<unsigned int> V_Xref[10]; // used to speed up location of a matching face for distribution #3
DBL Max_Ray_Distance; // if not 0.0, then maximum distance to look along the ray for an intersection
// end of mesh camera declarations
Camera();
Camera(const Camera& src);
~Camera();
Camera& operator=(const Camera& rhs);
void Transform(const TRANSFORM *Trans);
void Scale(const VECTOR Vector);
void Rotate(const VECTOR Vector);
void Translate(const VECTOR Vector);
private:
void Init();
};
}
#endif
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