Prims - Implement reset-ticks, tick, ticks

[clnl] / src / main / nvm / base.lisp

diff --git a/src/main/nvm/base.lisp b/src/main/nvm/base.lisp
index ddd429ee265cf9ca01825340f13b340db20960d2..5865d66e0e325b4f12369d5d45e89a2e2004b632 100644 (file)
--- a/src/main/nvm/base.lisp
+++ b/src/main/nvm/base.lisp
@@ -8,6 +8,7 @@
 (defvar *self* nil)
 (defvar *dimensions* nil)
 (defvar *topology* :torus)
+(defvar *ticks* nil)
 
 (defstruct turtle who color heading xcor ycor)
 (defstruct patch color xcor ycor)