GLUI_Rotation *GLUI::add_rotation_to_panel( GLUI_Panel *panel,
char *name, float *value_ptr,
int id,
GLUI_Update_CB callback )
{
GLUI_Rotation *control;
control = new GLUI_Rotation;
if ( control ) {
control->set_ptr_val( value_ptr );
control->user_id = id;
control->set_name( name );
control->callback = callback;
add_control( panel, control );
control->init_live();
/*** Init the live 4x4 matrix. This is different than the standard
live variable behavior, since the original value of the 4x4 matrix
is ignored and reset to Identity ***/
if ( value_ptr != NULL ) {
int i, j, index;
for( i=0; i<4; i++ ) {
for( j=0; j<4; j++ ) {
index = i*4+j;
if ( i==j )
value_ptr[index] = 1.0;
else
value_ptr[index] = 0.0;
}
}
}
/*init_ball(); */
return control;
}
else {
return NULL;
}
}
