cn-sensei-guides/02-yellow/03-04-ninja-supplies.js

//Multiple toggle effects and mouse click events 
//so game could be buggy

//Sword Object - Mouse Button Up Event
if ($this.isTouching(ninja)) { 
    $this.remove(); // remove the original sword 
    star.toggleDraggable(); // make the star draggable 
    swordIcon.toggleVisible(); // makes the sword icon visible 
} else { 
    // otherwise, return sword to pile. 
    $this.x(672); $this.y(314); 
}