--- deliantra/server/common/object.C	2010/04/18 14:01:33	1.330
+++ deliantra/server/common/object.C	2010/04/18 14:04:50	1.331
@@ -2232,6 +2232,11 @@
   // are not equal sized, but are a better approximation
   // then the old algorithm, and then using a mapping
   // table to map it into a direction value.
+  // basically, it maps these comparisons to each bit
+  // bit #3: x < 0
+  // bit #2: y < 0
+  // bit #1: x > y
+  // bit #0: x > 2y
 
   static const uint8 dir[16] = {
      4,  5,  4,  3,