1 files changed, 1 insertions, 0 deletions
diff --git a/src/util/aabb.h b/src/util/aabb.h
index f2fd251..4d74c88 100644
--- a/src/util/aabb.h
+++ b/src/util/aabb.h
@@ -14,6 +14,7 @@ inline F32 aabb_support_radius( const AABB& aabb, const VEC3& dir ) {
   return fabsf(dir.x) * half.x + fabsf(dir.y) * half.y + fabsf(dir.z) * half.z;
 }
 
+// returns positive radius in X and negative in Y
 inline VEC2 aabb_extend_at_feet( const AABB& aabb, const VEC3& dir ) {
   VEC3 half = aabb_half( aabb );