add some comments

1 files changed, 2 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index 13c2ed1..07675b7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,7 +7,7 @@
 #include "tiles.h"
 #include "tilemap.h"
 
-// amount of tiles
+// amount of different tiles and their rotations
 size_t TILES;
 
 // width and height of a single tile
@@ -72,7 +72,7 @@ void collapse_this(int i)
     size_t t = possibilities[rand() % psz];
     collapse(i, t); // collapse a random tile
 
-    // apply a bitmask, based on the direction
+    // apply a bitmask, on tiles around the newly collapsed tile
     if(i / SWIDTH != 0) // up
         if(!(has_collapsed(i-SWIDTH)))
             mask(i-SWIDTH, t, 0);