BaseCamera Class Reference

Abstract base class for the perspective and orthographic cameras. More...

#include <RayTracer.h>

Inherited by OrthographicCamera, and PerspectiveCamera.

Public Member Functions
	BaseCamera (Film &film, const Vec3R &rotation, const Vec3R &translation, double frameWidth, double nearPlane, double farPlane)
virtual	~BaseCamera ()
Film::RGBA &	pixel (size_t i, size_t j)
size_t	width () const
size_t	height () const
void	lookAt (const Vec3R &xyz, const Vec3R &up=Vec3R(0.0, 1.0, 0.0))
Vec3R	rasterToScreen (double i, double j, double z) const
virtual math::Ray< double >	getRay (size_t i, size_t j, double iOffset=0.5, double jOffset=0.5) const =0
	Return a Ray in world space given the pixel indices and optional offsets in the range [0, 1]. An offset of 0.5 corresponds to the center of the pixel. More...

Protected Member Functions
void	initRay (double t0, double t1)

Protected Attributes
Film *	mFilm
double	mScaleWidth
double	mScaleHeight
math::Ray< double >	mRay
math::AffineMap	mScreenToWorld

Detailed Description

Abstract base class for the perspective and orthographic cameras.

Constructor & Destructor Documentation

BaseCamera ( Film &  film, const Vec3R &  rotation, const Vec3R &  translation, double  frameWidth, double  nearPlane, double  farPlane  )

inline

virtual ~BaseCamera ( )

inlinevirtual

Member Function Documentation

virtual math::Ray<double> getRay ( size_t  i, size_t  j, double  iOffset = 0.5, double  jOffset = 0.5  ) const

pure virtual

Return a Ray in world space given the pixel indices and optional offsets in the range [0, 1]. An offset of 0.5 corresponds to the center of the pixel.

Implemented in OrthographicCamera, and PerspectiveCamera.

size_t height ( ) const

inline

void initRay ( double  t0, double  t1  )

inlineprotected

void lookAt ( const Vec3R &  xyz, const Vec3R &  up = Vec3R(0.0, 1.0, 0.0)  )

inline

Rotate the camera so its negative z-axis points at xyz and its y axis is in the plane of the xyz and up vectors. In other words the camera will look at xyz and use up as the horizontal direction.

Film::RGBA& pixel ( size_t  i, size_t  j  )

inline

Vec3R rasterToScreen ( double  i, double  j, double  z  ) const

inline

size_t width ( ) const

inline

Member Data Documentation

Film* mFilm

protected

math::Ray<double> mRay

protected

double mScaleHeight

protected

double mScaleWidth

protected

math::AffineMap mScreenToWorld

protected

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The documentation for this class was generated from the following file:

• RayTracer.h