class radio_button{
  float x;
  float y;
  float r;
  String label;
  boolean on;
  color on_color;
  color off_color;
  color text_color;
  int fontsize;
  
  radio_button(){
    x = y = 100;
    r = 20;
    label = new String("Button");
    on = false;
    on_color = color(0,255,0);
    off_color = color(255,0,0);
    text_color = color(0,0,0);
    fontsize = 16;
  }
  
  void set_position(float xp, float yp){
    x = xp;
    y = yp;
  }
  
  void set_color(color onc, color offc){
    on_color = onc;
    off_color = offc;
  }
  
  void set_position(float xp, float yp, float rp){
    x = xp;
    y = yp;
    r = rp;
  }
  
  void set_text(String s){
    label = s;
  }
  
  void set_value(boolean v){
    on = v;
  }
  
  boolean get(){
    return on;
  }
  
  void draw(){
    if(on){
      fill(on_color);
    }
    else{
      fill(off_color);
    }
    ellipse(x,y,r,r);
    fill(text_color);
    textSize(fontsize);
    textAlign(LEFT,CENTER);
    text(label,x+5+0.5*r,y);
  }
  
  void clicked(){
    if(sqrt(pow((x-mouseX),2)+pow((y-mouseY),2)) < r){
       on = !on;
    }
  }
  
};