LayerSceneGraph::Camera Class Reference

#include <Camera.h>

Public Member Functions
	Camera ()
	Camera (GLfloat near, GLfloat far)
virtual	~Camera ()
void	buildPerspective (GLuint width, GLuint height, GLfloat angleOfView)
GLfloat *	getModelMatrix ()
GLfloat *	getViewMatrix ()
GLfloat *	getProjectionMatrix ()
GLfloat *	getModelViewMatrix ()
void	setModelMatrix (GLfloat *matrix)
void	setViewMatrix (GLfloat *matrix)
void	setProjectionMatrix (GLfloat *matrix)
GLuint	getWidth ()
GLuint	getHeight ()
GLfloat	getAngleOfView ()
GLfloat	getAspectRatio ()
GLfloat	getNearDistance ()
GLfloat	getFarDistance ()
Vector3	getLookDirection ()
Vector3	getUpDirection ()
Vector3	getPosition ()

Static Public Member Functions
static GLfloat	toRadian (GLfloat angle)

Private Attributes
Matrix4	modelMatrix
Matrix4	viewMatrix
Matrix4	projectionMatrix
GLfloat	near
GLfloat	far
GLfloat	angleOfView
GLuint	width
GLuint	height
Vector3	position

Detailed Description

Camera class: Responsible for encapsulate all matrix operations for visualization

Constructor & Destructor Documentation

LayerSceneGraph::Camera::Camera

(

)

Default constructor. Initialize camera parameters with default values. Default values: near = 0.001; far = 50.0; width = 360; height = 480; angleOfView = 45;

LayerSceneGraph::Camera::Camera	(	GLfloat	near,
		GLfloat	far
	)

LayerSceneGraph::Camera::~Camera ( )

virtual

Destructor. There isn't any dynamic allocated memory for any object.

Member Function Documentation

void LayerSceneGraph::Camera::buildPerspective	(	GLuint	width,
		GLuint	height,
		GLfloat	angleOfView
	)

Computes and build a new perspective matrix based on the width, height and angleOfView parameters

GLfloat LayerSceneGraph::Camera::getAngleOfView

(

)

Returns the value specified for the angle of view

GLfloat LayerSceneGraph::Camera::getAspectRatio

(

)

Returns the aspect ratio value of the screen (device coordinates)

GLfloat LayerSceneGraph::Camera::getFarDistance

(

)

Returns the distance to the far plane. All objects localized after the far plane are not visible.

GLuint LayerSceneGraph::Camera::getHeight

(

)

Returns the height of the screen (device coordinates)

Vector3 LayerSceneGraph::Camera::getLookDirection

(

)

Returns a vector which represents the direction to where camera is pointing

GLfloat * LayerSceneGraph::Camera::getModelMatrix

(

)

Returns the model matrix (a pointer with 16 float values).

GLfloat * LayerSceneGraph::Camera::getModelViewMatrix

(

)

Pre-multiplies the view and model matrix and then returns the result

GLfloat LayerSceneGraph::Camera::getNearDistance

(

)

Returns the distance to the near plane. All objects localized before the near plane are not visible.

Vector3 LayerSceneGraph::Camera::getPosition

(

)

Returns a vector which represents camera's position inside the scene

GLfloat * LayerSceneGraph::Camera::getProjectionMatrix

(

)

Returns the projection matrix (a pointer with 16 float values).

Vector3 LayerSceneGraph::Camera::getUpDirection

(

)

Returns a vector which represents the upper direction.

GLfloat * LayerSceneGraph::Camera::getViewMatrix

(

)

Returns the view matrix (a pointer with 16 float values).

GLuint LayerSceneGraph::Camera::getWidth

(

)

Returns the width of the screen (device coordinates)

void LayerSceneGraph::Camera::setModelMatrix

(

GLfloat *

matrixValues

)

Receives a pointer with 16 float values and sets a new model matrix.

void LayerSceneGraph::Camera::setProjectionMatrix

(

GLfloat *

matrixValues

)

Receives a pointer with 16 float values and sets a new projection matrix.

void LayerSceneGraph::Camera::setViewMatrix

(

GLfloat *

matrixValues

)

Receives a pointer with 16 float values and sets a new view matrix.

GLfloat LayerSceneGraph::Camera::toRadian ( GLfloat  angle )

static

Converts a angle given in degrees to radians unit

Member Data Documentation

GLfloat LayerSceneGraph::Camera::angleOfView

private

GLfloat LayerSceneGraph::Camera::far

private

GLuint LayerSceneGraph::Camera::height

private

Matrix4 LayerSceneGraph::Camera::modelMatrix

private

GLfloat LayerSceneGraph::Camera::near

private

Vector3 LayerSceneGraph::Camera::position

private

Matrix4 LayerSceneGraph::Camera::projectionMatrix

private

Matrix4 LayerSceneGraph::Camera::viewMatrix

private

GLuint LayerSceneGraph::Camera::width

private

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

• jni/Camera.h
• jni/Camera.cpp