VoxelOp( std::string expr ) {
parser.SetExpr( expr );
parser.DefineVar( std::string( "vox" ), &voxBuff );
parser.DefineVar( std::string( "pos_x" ), &posBuff[data::rowDim] );
parser.DefineVar( std::string( "pos_y" ), &posBuff[data::columnDim] );
parser.DefineVar( std::string( "pos_z" ), &posBuff[data::sliceDim] );
parser.DefineVar( std::string( "pos_t" ), &posBuff[data::timeDim] );
}
//constructor
Func(std::string tag,
int speed_in,
int line_width_in,
double tmax_in,
double tinc_in,
double rotation_in,
sf::Color color_in )
: speed( speed_in ),
line_width(line_width_in),
t (0),
tmax ( tmax_in ),
tinc ( tinc_in ),
rotation( rotation_in ),
color ( color_in )
{
p.DefineVar("theta", &t);
p.SetExpr(tag);
}