Main Page Namespace List Class Hierarchy Alphabetical List Compound List File List Namespace Members Compound Members File Members Related Pages

Teddy::Scenes::Camera Class Reference

Camera. More...

#include <Camera.h>

Inheritance diagram for Teddy::Scenes::Camera:

[legend]Collaboration diagram for Teddy::Scenes::Camera:

[legend]List of all members.

Public Methods
	Camera (const std::string &name, Teddy::Scenes::Scene *scene)
	Camera constructor. More...
Teddy::Models::Model *	pick (Teddy::PhysicalComponents::Projection *p, const Teddy::Maths::TVector2< int > &pos)
virtual void	projectScene (Teddy::PhysicalComponents::Projection *p)
	Draw the scene as seen from the camera. More...
void	setMirrorX (const bool mirror_x)
void	setNearFar (const float near_clip, const float far_clip)
double	getNear ()
double	getFar ()
void	setFov (const float fov)
	Set field of vision. More...
float	getFov () const
	Return field of vision. More...
void	modFov (const float mod)
void	setScene (Teddy::Scenes::Scene *scene)
	Set Scene for camera. More...
Scene *	getScene () const
	Return Scene of camera. More...
void	updatePlanes ()
	Calculate view frustum planes. More...
bool	cull (const Teddy::Models::Model &mi)
Teddy::Maths::Matrix	getFrustumMatrix (const float left, const float right, const float bottom, const float top, const float nearval, const float farval) const
	Calculate frustum matrix. More...
Teddy::Maths::Matrix	getPerspectiveMatrix (const float fovy, const float aspect, const float zNear, const float zFar) const
	Calculate perspective projection matrix. More...
Teddy::Maths::Matrix	getPickMatrix (const Teddy::Maths::TVector2< int > &pos, const Teddy::Maths::TVector2< int > &size, const Teddy::Maths::TRect< int > &viewport) const
Teddy::Maths::TVector4< float >	projectVector (const Teddy::Maths::TVector4< float > &v) const
void	doProjection (Teddy::PhysicalComponents::Projection *p, const bool load_matrix=true)
	Calculate and apply perpective camera projection. More...
void	doCamera (Teddy::PhysicalComponents::Projection *p, const bool load_matrix=true)
	Calculate and apply camera projection according to Projection. More...
void	doObjectMatrix (Teddy::PhysicalComponents::Projection *p, const Teddy::Maths::Matrix &m, const bool load_matrix=true)
void	pushObjectMatrix ()
void	popObjectMatrix ()
void	updateFrustum ()
bool	cullPoint (const Teddy::Maths::TVector< float > &v) const
bool	cullSphere (const Teddy::Maths::TVector< float > &v, const float radius) const
bool	cullAABox (const Teddy::Maths::TVector< float > &pos, const Teddy::Maths::TVector< float > &size)
Protected Attributes
Teddy::Scenes::Scene *	scene
	Scene to draw. More...
Teddy::PhysicalComponents::Projection *	active_projection
	Last active projection where to draw. More...
Teddy::Maths::Matrix	to_screen_s_matrix
	To screen space -matrix. More...
Teddy::Maths::Matrix	view_matrix
	Current/latest view matrix. More...
Teddy::Maths::Matrix	projection_matrix
	Current/latest projection matrix. More...
Teddy::Maths::Matrix	model_view_matrix [MSD]
	ModelView Matrix stack. More...
Teddy::Maths::TRect< int >	rect
Teddy::Maths::Plane	view_plane [6]
	Camera view volume planes for clipping. More...
int	model_view_matrix_sp
	ModelView Matrix stack pointer. More...
double	near_clip
	Near clip plane z. More...
double	far_clip
	Far clip plane z. More...
double	fov
	Field of vision. More...
float	frustum [6][4]
bool	mirror_x
	Mirror X. More...
bool	projection_dirty
	Projection needs to be redone? More...

Detailed Description

Camera.

Warning:: Starfield is not working; Cull method needs checking, it does not work with picking

Todo:: docs
GL_EXT_ cull_vertex

Definition at line 60 of file Camera.h.

Constructor & Destructor Documentation

Teddy::Scenes::Camera::Camera ( const std::string & name,

Teddy::Scenes::Scene * scene

)

Camera constructor.

Parameters:

name Name for the Camera

scene Scene which to view through this Camera

Definition at line 50 of file Camera.cpp.
References active_projection, mirror_x, model_view_matrix, model_view_matrix_sp, MSD, and projection_dirty.

Member Function Documentation

bool Teddy::Scenes::Camera::cull ( const Teddy::Models::Model & mi )

bool Teddy::Scenes::Camera::cullAABox ( const Teddy::Maths::TVector< float > & pos,

const Teddy::Maths::TVector< float > & size

)

bool Teddy::Scenes::Camera::cullPoint ( const Teddy::Maths::TVector< float > & v ) const

bool Teddy::Scenes::Camera::cullSphere ( const Teddy::Maths::TVector< float > & v,

const float radius

) const

void Teddy::Scenes::Camera::doCamera ( Teddy::PhysicalComponents::Projection * p,

const bool load_matrix = true

)

Calculate and apply camera projection according to Projection.

Parameters:

p Projection to which this Camera will project it's scene

load_matrix If true, the camera matrix is loaded to OpenGL

Warning:
This might not be thread safe

Definition at line 96 of file Camera.cpp.
References Teddy::Models::Model::getWorldToLocalMatrix, and view_matrix.
Referenced by projectScene.

void Teddy::Scenes::Camera::doObjectMatrix ( Teddy::PhysicalComponents::Projection * p,

const Teddy::Maths::Matrix & m,

const bool load_matrix = true

)

void Teddy::Scenes::Camera::doProjection ( Teddy::PhysicalComponents::Projection * p,

const bool load_matrix = true

)

Calculate and apply perpective camera projection.

Todo:
Optimize: This does not need to be recalculted always

Definition at line 77 of file Camera.cpp.
References far_clip, fov, getPerspectiveMatrix, near_clip, projection_matrix, and updatePlanes.
Referenced by projectScene.

double Teddy::Scenes::Camera::getFar ( )

Definition at line 190 of file Camera.cpp.
References far_clip.

float Teddy::Scenes::Camera::getFov ( ) const

Return field of vision.

Definition at line 207 of file Camera.cpp.
References fov.

Matrix Teddy::Scenes::Camera::getFrustumMatrix ( const float left,

const float right,

const float bottom,

const float top,

const float nearval,

const float farval

) const

Calculate frustum matrix.

Definition at line 258 of file Camera.cpp.
Referenced by getPerspectiveMatrix.

double Teddy::Scenes::Camera::getNear ( )

Definition at line 185 of file Camera.cpp.
References near_clip.

Matrix Teddy::Scenes::Camera::getPerspectiveMatrix ( const float fovy,

const float aspect,

const float zNear,

const float zFar

) const

Calculate perspective projection matrix.

Definition at line 281 of file Camera.cpp.
References getFrustumMatrix, and M_PI.
Referenced by doProjection.

Teddy::Maths::Matrix Teddy::Scenes::Camera::getPickMatrix ( const Teddy::Maths::TVector2< int > & pos,

const Teddy::Maths::TVector2< int > & size,

const Teddy::Maths::TRect< int > & viewport

) const

Scene * Teddy::Scenes::Camera::getScene ( ) const

Return Scene of camera.

Definition at line 219 of file Camera.cpp.
References scene.

void Teddy::Scenes::Camera::modFov ( const float mod )

Definition at line 201 of file Camera.cpp.
References fov.

Teddy::Models::Model* Teddy::Scenes::Camera::pick ( Teddy::PhysicalComponents::Projection * p,

const Teddy::Maths::TVector2< int > & pos

)

void Teddy::Scenes::Camera::popObjectMatrix ( )

Definition at line 112 of file Camera.cpp.
References model_view_matrix_sp.

void Teddy::Scenes::Camera::projectScene ( Teddy::PhysicalComponents::Projection * p ) [virtual]

Draw the scene as seen from the camera.

Definition at line 139 of file Camera.cpp.
References active_projection, doCamera, doProjection, Teddy::Scenes::Scene::draw, IntRect, Teddy::MixIn::Mutex::lock, rect, scene, and Teddy::MixIn::Mutex::unlock.

Teddy::Maths::TVector4<float> Teddy::Scenes::Camera::projectVector ( const Teddy::Maths::TVector4< float > & v ) const

void Teddy::Scenes::Camera::pushObjectMatrix ( )

Definition at line 107 of file Camera.cpp.
References model_view_matrix_sp.

void Teddy::Scenes::Camera::setFov ( const float fov )

Set field of vision.

Definition at line 196 of file Camera.cpp.
References fov.

void Teddy::Scenes::Camera::setMirrorX ( const bool mirror_x )

Definition at line 68 of file Camera.cpp.
References Teddy::SysSupport::M_INIT, mirror_x, and Teddy::SysSupport::msg.

void Teddy::Scenes::Camera::setNearFar ( const float near_clip,

const float far_clip

)

Definition at line 179 of file Camera.cpp.
References far_clip, and near_clip.

void Teddy::Scenes::Camera::setScene ( Teddy::Scenes::Scene * scene )

Set Scene for camera.

Definition at line 213 of file Camera.cpp.
References scene.

void Teddy::Scenes::Camera::updateFrustum ( )

Definition at line 353 of file Camera.cpp.
References frustum.

void Teddy::Scenes::Camera::updatePlanes ( )

Calculate view frustum planes.

Definition at line 329 of file Camera.cpp.
References projection_matrix, Teddy::Maths::Matrix::transpose, Vector4, and view_plane.
Referenced by doProjection.

Member Data Documentation

Teddy::PhysicalComponents::Projection* Teddy::Scenes::Camera::active_projection [protected]

Last active projection where to draw.

Definition at line 105 of file Camera.h.
Referenced by Camera, and projectScene.

double Teddy::Scenes::Camera::far_clip [protected]

Far clip plane z.

Definition at line 114 of file Camera.h.
Referenced by doProjection, getFar, and setNearFar.

double Teddy::Scenes::Camera::fov [protected]

Field of vision.

Definition at line 115 of file Camera.h.
Referenced by doProjection, getFov, modFov, and setFov.

float Teddy::Scenes::Camera::frustum[6][4] [protected]

Definition at line 116 of file Camera.h.
Referenced by updateFrustum.

bool Teddy::Scenes::Camera::mirror_x [protected]

Mirror X.

Definition at line 117 of file Camera.h.
Referenced by Camera, and setMirrorX.

Teddy::Maths::Matrix Teddy::Scenes::Camera::model_view_matrix[MSD] [protected]

ModelView Matrix stack.

Definition at line 109 of file Camera.h.
Referenced by Camera.

int Teddy::Scenes::Camera::model_view_matrix_sp [protected]

ModelView Matrix stack pointer.

Definition at line 112 of file Camera.h.
Referenced by Camera, popObjectMatrix, and pushObjectMatrix.

double Teddy::Scenes::Camera::near_clip [protected]

Near clip plane z.

Definition at line 113 of file Camera.h.
Referenced by doProjection, getNear, and setNearFar.

bool Teddy::Scenes::Camera::projection_dirty [protected]

Projection needs to be redone?

Definition at line 118 of file Camera.h.
Referenced by Camera.

Teddy::Maths::Matrix Teddy::Scenes::Camera::projection_matrix [protected]

Current/latest projection matrix.

Definition at line 108 of file Camera.h.
Referenced by doProjection, and updatePlanes.

Teddy::Maths::TRect<int> Teddy::Scenes::Camera::rect [protected]

Definition at line 110 of file Camera.h.
Referenced by projectScene.

Teddy::Scenes::Scene* Teddy::Scenes::Camera::scene [protected]

Scene to draw.

Definition at line 104 of file Camera.h.
Referenced by getScene, projectScene, and setScene.

Teddy::Maths::Matrix Teddy::Scenes::Camera::to_screen_s_matrix [protected]

To screen space -matrix.

Definition at line 106 of file Camera.h.

Teddy::Maths::Matrix Teddy::Scenes::Camera::view_matrix [protected]

Current/latest view matrix.

Definition at line 107 of file Camera.h.
Referenced by doCamera.

Teddy::Maths::Plane Teddy::Scenes::Camera::view_plane[6] [protected]

Camera view volume planes for clipping.

Definition at line 111 of file Camera.h.
Referenced by updatePlanes.

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

Teddy::Scenes::Camera Class Reference

Public Methods

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation