Camera Class Reference

Camera class. More...

#include <camera.hpp>

Public Member Functions
	Camera (void)
	Camera-constructor.
	Camera (float fov, float neard, float fard)
	Camera-constructor.
	~Camera ()
	Camera-destructor.
void	set_campos (float *new_pos)
	Set camera position.
void	set_campos3d (float nx, float ny, float nz)
	Set camera position.
void	set_camorientation (float *str, float *hei, float *dir)
	Set camera vectors.
float *	get_campos_ref (void)
	Get pointer to the camera-position.
float *	get_xcamdir_ref (void)
	Get pointer to the camera x-axis.
float *	get_ycamdir_ref (void)
	Get pointer to the camera y-axis.
float *	get_zcamdir_ref (void)
	Get pointer to the camera z-axis.
void	move_x (float amount)
	Move camera along x-axis.
void	move_y (float amount)
	Move camera along y-axis.
void	move_z (float amount)
	Move camera along z-axis.
void	move_x_posheight (float amount)
	Move camera along x-axis.
void	move_y_posheight (float amount)
	Move camera along y-axis.
void	move_z_posheight (float amount)
	Move camera along z-axis.
void	rot_x (float amount)
	Rotate the camera around its x-axis.
void	rot_y (float amount)
	Rotate the camera around its y-axis.
void	rot_z (float amount)
	Rotate the camera around its z-axis.
void	reorient_cam_lookdown (void)
	Reorient the camera so that it faces straight down.
void	set_start_time (int wct)
	Set start-time for zoom-/pan- animation.
sezap_view	sezapa (sezap_view from, sezap_view to, float rho, float vel, float dt)
	Perform the zoom-/pan- animation.
Data Fields
float	_campos [4]
float	_xcamdir [4]
float	_ycamdir [4]
float	_zcamdir [4]
float	_fov
float	_nearplane_dist
float	_farplane_dist

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Detailed Description

Camera class.

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Constructor & Destructor Documentation

Camera::Camera

(

void

)

Camera-constructor.

Places the camera at (0,0,0), "looking towards the horizon".

Camera::Camera	(	float	fov,
		float	neard,
		float	fard
	)

Camera-constructor.

Places the camera at (0,0,0), "looking towards the horizon". Sets additional parameters like field of view and near- and far- plane.

Parameters:

	fov	Field of view.
	neard	Nearplane distance.
	fard	Farplane distance.

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Member Function Documentation

void Camera::move_x

(

float

amount

)

Move camera along x-axis.

Parameters:

amount

Determines the distance of the camera-movement along the axis.

void Camera::move_x_posheight

(

float

amount

)

Move camera along x-axis.

Make sure that the camera's y-coordinate is larger than some threshold.

Parameters:

amount

Determines the distance of the camera-movement along the axis.

void Camera::move_y

(

float

amount

)

Move camera along y-axis.

Parameters:

amount

Determines the distance of the camera-movement along the axis.

void Camera::move_y_posheight

(

float

amount

)

Move camera along y-axis.

Make sure that the camera's y-coordinate is larger than some threshold.

Parameters:

amount

Determines the distance of the camera-movement along the axis.

void Camera::move_z

(

float

amount

)

Move camera along z-axis.

Parameters:

amount

Determines the distance of the camera-movement along the axis.

void Camera::move_z_posheight

(

float

amount

)

Move camera along z-axis.

Make sure that the camera's y-coordinate is larger than some threshold.

Parameters:

amount

Determines the distance of the camera-movement along the axis.

void Camera::rot_x

(

float

drx

)

Rotate the camera around its x-axis.

Parameters:

drx

Rotationangle [rad].

void Camera::rot_y

(

float

dry

)

Rotate the camera around its y-axis.

Parameters:

dry

Rotationangle [rad].

void Camera::rot_z

(

float

drz

)

Rotate the camera around its z-axis.

Parameters:

drz

Rotationangle [rad].

void Camera::set_camorientation	(	float *	str,
		float *	hei,
		float *	dir
	)

Set camera vectors.

Parameters:

	str	Pointer to a vector which contains the new camera x-axis.
	hei	Pointer to a vector which contains the new camera y-axis.
	dir	Pointer to a vector which contains the new camera z-axis.

void Camera::set_campos

(

float *

new_pos

)

Set camera position.

Parameters:

new_pos

Pointer to an array containing the desired new coordinates.

void Camera::set_campos3d	(	float	nx,
		float	ny,
		float	nz
	)

Set camera position.

Parameters:

	nx	The new x-position for the camera.
	ny	The new y-position for the camera.
	nz	The new z-position for the camera.

void Camera::set_start_time

(

int

wct

)

Set start-time for zoom-/pan- animation.

Parameters:

wct

The wall-clock start-time.

sezap_view Camera::sezapa	(	sezap_view	from,
		sezap_view	to,
		float	rho,
		float	vel,
		float	dt
	)

Perform the zoom-/pan- animation.

Parameters:

	from	Start position.
	to	End position.
	rho	Zoom/pan tradeoff factor.
	vel	Animation-velocity.
	dt	Timestep.

Returns:

Intermediate position along the animation-path.

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

• camera.hpp
• camera.cpp

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