text: Bullet = function(x, y, velx, vely) {
  	
  	this.pos = new Vector2(x,y);
  	this.vel = new Vector2(velx, vely);	
  	
  	// instead set Vector with speed and rotate
  	
  	this.enabled = true; 
  	
  	this.update = function() {
  		
  		this.pos.plusEq(this.vel); 
  		
  	};
  	
  	this.draw = function(c) {
  		c.lineWidth =2; 
  		c.strokeStyle = "#fff"; 
  		c.strokeCircle(this.pos.x, this.pos.y, 2); 
  		
  	};
  
  	
  };