class Button
{
  float cx;
  float cy;
  float h;
  float w;
  int son; //shade
  int soff;
  float von; //value
  float voff;
  int state; //0 off, 1 on
  
  Button(float cx_, float cy_, float h_, float w_, int son_, int soff_, float von_, float voff_, int state_)
  {
    cx=cx_; cy=cy_; h=h_; w=w_;
    son=son_; soff=soff_;
    von=von_; voff=voff_;
    state=state_;
  }
  
  void render()
  {
    noStroke();
    if(state==1)
      { fill(son);}
    else
      { fill(soff);}
      
    rect(cx-w/2, cy-h/2, w, h);  
  }//END render
  
  float givev()
  {
    float returnval;
    
    if(state==1)
      {returnval=von;}
    else
      {returnval=voff;}
    
    return returnval;
  }//END givev
  
  void pressed(float xin, float yin)
  {
     if( (xin > cx-w/2) && (xin < cx+w/2) && (yin > cy-h/2) && (yin < cy+h/2))
     {
       if(state==1)
         { state=0;}
       else
         { state=1;}
     }  
  }//END pressed
  
}//END Button