diff --git a/globals.inc b/globals.inc
index 6011c61..f74eca7 100644
--- a/globals.inc
+++ b/globals.inc
@@ -4,3 +4,19 @@ global_settings	{
 	ambient_light rgb <0.18, 0.14, 0.17>
 	max_trace_level 15
 	}
+
+#declare Rng2 = seed(now*24*60*60);
+#declare foo = rand(Rng2);
+
+#declare  NormClock = clock / 360.0;
+
+/* ------------------------------------------------------------ */
+
+#macro Cos_01( X )
+  (0.5-0.5*cos( 3.141592654 * X))
+#end
+#macro Cos_010( X )
+  (0.5-0.5*cos( 2 * 3.141592654 * X))
+#end
+
+/* ------------------------------------------------------------ */