Bullet = gamecore.Base(‘Bullet’,
{ 
    // Statics
},
{
    // Instance
    x: 0,
    y: 0,

    // the init method serves as a constructor 
    init: function(x, y)
    { 
	this._super(); // call the parent constructor
	this.x = x;
	this.y = y;
    }
}