/Users/paul/Documents/phlogo/core/Turtle.cpp

/*
 *  Turtle.cpp
 *
 *  Author: Paul Hamilton
 *      Date: 7 Aug 2011
 *
 */
#include "Turtle.h"
        
using namespace std;

namespace phlogo {

void Turtle::home() {
    _x = 100;
    _y = 100;
    _heading = 0;
}

JSONTurtle::JSONTurtle() {
    clear();
}

void JSONTurtle::clear() {
    startGData();
    home();
    _pendown = true;
    moveTo(_x, _y);       
}

void JSONTurtle::startGData() {
    _gdata.str("");
    _gdata << "[";
    _firstop = true;
}

string JSONTurtle::endGData() {
    _gdata << "]";
    return _gdata.str();
}

void JSONTurtle::moveTo(int x, int y) {
    if (_firstop)
        _firstop = false;
    else
        _gdata << ",";
    _gdata << "{m:[" << x << "," << y << "]}";
}

void JSONTurtle::lineTo(int x, int y) {
    if (_firstop)
        _firstop = false;
    else
        _gdata << ",";
    _gdata << "{l:[" << x << "," << y << "]}";
}

void JSONTurtle::stroke() {
    if (_firstop)
        _firstop = false;
    else
        _gdata << ",";
    _gdata << "{s:0}";
}

}