Menu.pde

class Menu{
  Selector selector;
  PShape rectButton, circleButton, neighborButton, rectIcon, circleIcon, neighborIcon;
  
  Menu(){
    rectButton = createShape(RECT,0,0,60,25,0,7,7,0);
    rectIcon = createShape(RECT,20,15,40,20);
    circleButton = createShape(RECT,0,26,60,25,0,7,7,0);
    circleIcon = createShape(ELLIPSE,0,52,60,25,0,7,7,0);
    neighborButton = createShape(RECT,0,52,60,25,0,7,7,0);
    neighborIcon = createShape(RECT,0,52,60,25,0,7,7,0);
    selector = new Selector();
  }
  
  void activate(int button){
    selector.setSelectMode(button);
  }
  
  int onaButton(int x, int y){
    if( 0<x && x<=60 && y>0  && y<=25){ return 1; }
    else if( 0<x && x<=60 && y>25 && y<=51){ return 2; }
    else if( 0<x && x<=60 && y>51 && y<=77){ return 3; }
    else { return 0; }  
  }

  void draw(){
    shape(rectButton);
    shape(rectIcon);
    shape(circleButton);
    shape(circleIcon);
    shape(neighborButton);
    shape(neighborIcon);
    selector.draw();
  }
  
  void mousePressed(MouseEvent e){
    int button = onaButton(mouseX,mouseY);
    if( button != 0 ){ activate(button); }
    //else{ selector.startSelection(); }
    selector.startSelection();
  }
  
  void mouseReleased(MouseEvent e){
    selector.resetSelection();
  }
  
  void mouseDragged(MouseEvent e){
    selector.stretchSelection();
  }
}