class xSlider
{
  float sx;
  float sy;
  float h;
  float w;
  float bh;
  float bw;
  float bpos;
  float minV;
  float maxV;
  int scolor;
  int bcolor;
  
  xSlider( float sx_, float sy_, float w_, float bpos_, float minV_, float maxV_)
  {
    sx=sx_; sy=sy_; w=w_; bpos=bpos_;
    minV=minV_;
    maxV=maxV_;
    
    h=5;
    bh=10;
    bw=10;
    scolor=150;
    bcolor=255;
  }
  
  float givev()
  {
    //slide is linear
    return (bpos-sx)/w*(maxV-minV)+minV;  
  }
  
  void pressed(float xin, float yin)
  {
     if((yin > sy-bh/2) && (yin < sy+bh/2))
     {
       if( (xin > sx) && (xin < sx+w) )
       {
         bpos=xin;
       }
     }  
  }//END pressed
  
  void render()
  {
    //render slide
      noStroke();
      fill(scolor);
      rect(sx, sy-h/2,w,h);
    //render button
      noStroke();
      fill(bcolor);
      rect(bpos-bw/2, sy-bh/2, bw, bh);  
  }//END render
  
}//END xSlider


class ySlider
{
  float sx;
  float sy;
  float h;
  float w;
  float bh;
  float bw;
  float bpos;
  float minV;
  float maxV;
  int scolor;
  int bcolor;
  
  ySlider( float sx_, float sy_, float h_, float bpos_, float minV_, float maxV_)
  {
    sx=sx_; sy=sy_; h=h_; bpos=bpos_;
    minV=minV_;
    maxV=maxV_;
    
    w=5;
    bh=10;
    bw=10;
    scolor=150;
    bcolor=255;
  }
  
  float givev()
  {
    //slide is linear
    return (bpos-sy)/h*(maxV-minV)+minV;  
  }
  
  void pressed(float xin, float yin)
  {
     if( (xin > sx-bw/2) && (xin < sx+bw/2) && (yin > bpos-bh/2) && (yin < bpos+bh/2))
     {
       if( (yin > sy) && (yin < sy+h) )
       {
         bpos=yin;
       }
     }  
  }//END pressed
  
  void render()
  {
    //render slide
      noStroke();
      fill(scolor);
      rect(sx-w/2, sy,w,h);
    //render button
      noStroke();
      fill(bcolor);
      rect(sx-bw/2, bpos-bh/2, bw, bh);  
  }//END render
  
}//END ySlider