#ifndef ELEMENT_H
#define ELEMENT_H

#include "canvas.h"

constexpr unsigned NumWeight = 10;
static constexpr double M_PI = 3.1415926;

class BackGround : public Canvas {
  public:
    BackGround (const int w, const int h) : Canvas (w, h) {};
    virtual ~BackGround (){};
    void drawings ();
};
class ForeGround : public Canvas {
  unsigned index, speed;
  double weights [NumWeight];
  public:
    ForeGround (const int w, const int h) : Canvas (w, h) {
      normalize();
    };
    virtual ~ForeGround (){};
    void drawings ();
    void setWeight (const int n, const int w) {
      weights [n] = (double) w * 0.01;
    }
    void changeSpeed (int s) { speed = s; };
    void step  ();
    void reset () {
      index = 0;
    }
  protected:
    double probality (const double x) const;
    void   phase     ();
    void   normalize ();
};
struct CommonPlots {
  int maxx, maxy;
  bool StartStop;
  BackGround * bg;
  ForeGround * fg;
  CommonPlots (const int w, const int h) : maxx (w), maxy(h) {
    bg = new BackGround (w,h);
    fg = new ForeGround (w,h);
    bg->drawings();
    fg->drawings();
    StartStop = false;
  }
  ~CommonPlots () {
    delete bg;
    delete fg;
  }
};

#endif // ELEMENT_H