tools::sg::matrix_action Class Reference

Inheritance diagram for tools::sg::matrix_action:

Collaboration diagram for tools::sg::matrix_action:

Public Member Functions
	matrix_action (std::ostream &a_out, unsigned int a_ww, unsigned int a_wh)
virtual	~matrix_action ()
	matrix_action (const matrix_action &a_from)
matrix_action &	operator= (const matrix_action &a_from)
void	push_matrices ()
void	pop_matrices ()
mat4f &	projection_matrix ()
mat4f &	model_matrix ()
bool	end () const
int	cur () const
bool	project_point (float &a_x, float &a_y, float &a_z, float &a_w)
void	model_point (float &a_x, float &a_y, float &a_z, float &a_w)
void	projected_origin (float &a_x, float &a_y, float &a_z)
Public Member Functions inherited from tools::sg::win_action
	win_action (std::ostream &a_out, unsigned int a_ww, unsigned int a_wh)
virtual	~win_action ()
unsigned int	ww () const
unsigned int	wh () const
Public Member Functions inherited from tools::sg::action
virtual void *	cast (const std::string &a_class) const
virtual const std::string &	s_cls () const =0
	action (std::ostream &a_out)
virtual	~action ()
std::ostream &	out () const
Public Member Functions inherited from tools::sg::states
	states (unsigned int a_ww, unsigned int a_wh)
virtual	~states ()
const sg::state &	state () const
sg::state &	state ()
void	pop_state ()
void	push_state ()
void	save_state (const sg::state &a_state)
const sg::state &	saved_state () const
sg::state &	saved_state ()

Protected Member Functions
void	reset ()
Protected Member Functions inherited from tools::sg::win_action
	win_action (const win_action &a_from)
win_action &	operator= (const win_action &a_from)
Protected Member Functions inherited from tools::sg::action
	action (const action &a_from)
action &	operator= (const action &)
Protected Member Functions inherited from tools::sg::states
	states (const states &a_from)
states &	operator= (const states &a_from)

Protected Attributes
std::vector< mat4f >	m_projs
std::vector< mat4f >	m_models
int	m_cur
mat4f	m_identity
Protected Attributes inherited from tools::sg::win_action
unsigned int	m_ww
unsigned int	m_wh
Protected Attributes inherited from tools::sg::action
std::ostream &	m_out
Protected Attributes inherited from tools::sg::states
std::vector< sg::state >	m_states
sg::state	m_state
sg::state	m_saved_state

Detailed Description

Definition at line 15 of file matrix_action.

Constructor & Destructor Documentation

matrix_action() [1/2]

tools::sg::matrix_action::matrix_action ( std::ostream &  a_out, unsigned int  a_ww, unsigned int  a_wh  )

inline

Definition at line 18 of file matrix_action.

  :parent(a_out,a_ww,a_wh)
  ,states(a_ww,a_wh)
  ,m_cur(0)
  ,m_landscape(true)
  {
    m_projs.resize(5);
    m_models.resize(5);
    reset();
    m_identity.set_identity();
  }

~matrix_action()

virtual tools::sg::matrix_action::~matrix_action ( )

inlinevirtual

Definition at line 29 of file matrix_action.

{}

matrix_action() [2/2]

tools::sg::matrix_action::matrix_action ( const matrix_action &  a_from )

inline

Definition at line 31 of file matrix_action.

  :parent(a_from)
  ,states(a_from)
  ,m_projs(a_from.m_projs)
  ,m_models(a_from.m_models)
  ,m_cur(a_from.m_cur)
  ,m_landscape(a_from.m_landscape)
  {
    m_identity.set_identity();
  }

Member Function Documentation

cur()

int tools::sg::matrix_action::cur ( ) const

inline

Definition at line 76 of file matrix_action.

{return m_cur;}

end()

bool tools::sg::matrix_action::end ( ) const

inline

Definition at line 75 of file matrix_action.

{return m_cur==0?true:false;}

model_matrix()

mat4f& tools::sg::matrix_action::model_matrix ( )

inline

Definition at line 73 of file matrix_action.

{return m_models[m_cur];}

model_point()

void tools::sg::matrix_action::model_point ( float &  a_x, float &  a_y, float &  a_z, float &  a_w  )

inline

Definition at line 95 of file matrix_action.

                                                                {
    a_w = 1;
    model_matrix().mul_4f(a_x,a_y,a_z,a_w);
  }

operator=()

matrix_action& tools::sg::matrix_action::operator= ( const matrix_action &  a_from )

inline

Definition at line 41 of file matrix_action.

                                                       {
    parent::operator=(a_from);
    states::operator=(a_from);
    m_projs = a_from.m_projs;
    m_models = a_from.m_models;
    m_cur = a_from.m_cur;
    m_landscape = a_from.m_landscape;
    return *this;
  }

pop_matrices()

void tools::sg::matrix_action::pop_matrices ( )

inline

Definition at line 66 of file matrix_action.

                      {
    m_cur--;
//OPTIMIZATION : in fact the two lines below are not needed !
//    m_state.m_proj = m_projs[m_cur];
//    m_state.m_model = m_models[m_cur];
  }

project_point()

bool tools::sg::matrix_action::project_point ( float &  a_x, float &  a_y, float &  a_z, float &  a_w  )

inline

Definition at line 78 of file matrix_action.

                                                                  {
    a_w = 1;
    model_matrix().mul_4f(a_x,a_y,a_z,a_w);
    projection_matrix().mul_4f(a_x,a_y,a_z,a_w);
    if(a_w==0.0F) return false;
    a_x /= a_w;
    a_y /= a_w;
    a_z /= a_w;
    return true;
  }

projected_origin()

void tools::sg::matrix_action::projected_origin ( float &  a_x, float &  a_y, float &  a_z  )

inline

Definition at line 101 of file matrix_action.

                                                          {
    a_x = 0;
    a_y = 0;
    a_z = 0;
    float w;
    project_point(a_x,a_y,a_z,w); //if render : in [-1,1][-1,1]
  }

projection_matrix()

mat4f& tools::sg::matrix_action::projection_matrix ( )

inline

Definition at line 72 of file matrix_action.

{return m_projs[m_cur];}

push_matrices()

void tools::sg::matrix_action::push_matrices ( )

inline

Definition at line 51 of file matrix_action.

                       {
    if((m_cur+1)>=(int)m_projs.size()) {
      m_projs.resize(m_projs.size()+5);
      m_models.resize(m_models.size()+5);
    }
    m_cur++;
    m_projs[m_cur].set_matrix(m_projs[m_cur-1]);
    m_models[m_cur].set_matrix(m_models[m_cur-1]);
//OPTIMIZATION : in fact the two lines below are not needed !
//    m_state.m_proj = m_projs[m_cur];
//    m_state.m_model = m_models[m_cur];
  }

reset()

void tools::sg::matrix_action::reset ( )

inlineprotected

Definition at line 110 of file matrix_action.

               {
    m_cur = 0;
    if(m_landscape) {
      m_projs[m_cur].set_identity();
    } else {
      m_projs[m_cur].set_matrix(0,-1,0,0,
                                1, 0,0,0,
                                0, 0,1,0,
                                0, 0,0,1);
    }
    m_models[m_cur].set_identity();
    sg::state& _state = state();
    _state.m_proj = m_projs[m_cur];
    _state.m_model = m_models[m_cur];
  }

Member Data Documentation

m_cur

int tools::sg::matrix_action::m_cur

protected

Definition at line 128 of file matrix_action.

m_identity

mat4f tools::sg::matrix_action::m_identity

protected

Definition at line 129 of file matrix_action.

m_models

std::vector<mat4f> tools::sg::matrix_action::m_models

protected

Definition at line 127 of file matrix_action.

m_projs

std::vector<mat4f> tools::sg::matrix_action::m_projs

protected

Definition at line 126 of file matrix_action.

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

• /Users/barrand/private/dev/softinex/g4tools/g4tools/tools/sg/matrix_action