(defvar *current-id* 0)
(defvar *turtles* nil)
+(defvar *patches* nil)
(defvar *myself* nil)
(defvar *self* nil)
(defvar *dimensions* nil)
(defvar *topology* :torus)
+(defvar *ticks* nil)
-(defstruct turtle who color heading xcor ycor)
+(defstruct turtle who color heading xcor ycor (label "") (label-color 9.9d0) (size 1d0))
+(defstruct patch color xcor ycor)
+
+(defun agent-set-list (agent-set)
+ agent-set)