(svn r2183) - Fix: Removed brackets from around STRAIGHT_TRACK_LENGTH, they caused preliminary rounding...

19 years ago · 90cc36f7e2
parent f5d9cb58eb
commit 90cc36f7e2
1 changed files with 3 additions and 1 deletions
--- a/map.h
+++ b/map.h
@ -121,7 +121,9 @@ static inline TileIndexDiff TileOffsByDir(uint dir)
 /* Approximation of the length of a straight track, relative to a diagonal
 * track (ie the size of a tile side). #defined instead of const so it can
 * stay integer. (no runtime float operations) Is this needed?
+ * Watch out! There are _no_ brackets around here, to prevent intermediate
+ * rounding! Be careful when using this!
 * This value should be sqrt(2)/2 ~ 0.7071 */
-#define STRAIGHT_TRACK_LENGTH (7071/10000)
+#define STRAIGHT_TRACK_LENGTH 7071/10000

 #endif