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 * Zaz
 * Copyright (C) Remigiusz Dybka 2009 <remigiusz.dybka@gmail.com>
 Zaz is free software: you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
 Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 Zaz is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along
 with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef __BEZIER_H__
#define __BEZIER_H__

#include <iostream>
#include <vector>
#include <string>
#include <cmath>

struct BezierPoint
    double x, y;   // centre
    double cx, cy; // control point

    BezierPoint() {};

    BezierPoint(double x, double y)
            : x(x), y(y), cx(0.0), cy(0.0) {};

    BezierPoint(double x, double y, double cx, double cy)
            : x(x), y(y), cx(cx), cy(cy) {};

//    BezierPoint operator~(void) { return BezierPoint(x, y, -cx, -cy);}

struct XY
    double x, y;
            :x(0), y(0) {};

    XY(double x, double y)
            : x(x), y(y) {};

struct Bezier
    std::vector<BezierPoint> points;

    Bezier() {};

    std::vector<XY> Generate(int steps = 5);
    std::vector<XY> GenerateUniform(double step = 0.1);
    // dist - distance between balls
    // in -step- steps
    std::vector<XY> GenerateBalls(double dist = 5.0, int steps = 50);


#endif //__BEZIER_H__

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