Fixed water level rendering bug.

diff --git a/garden.scm b/garden.scm
index ebcdf77..3664612 100644 (file)
--- a/garden.scm
+++ b/garden.scm
@@ -86,7 +86,7 @@
     (if last-watered
         (let* ((now (current-seconds))
                (1day (* 24 3600))
-               (remaining-pc (quotient (* 100 (- 1day (- now last-watered))) 1day))
+               (remaining-pc (quotient (* 100 (max 0 (- 1day (- now last-watered)))) 1day))
                (filled (quotient remaining-pc 4))
                (unfilled (- 25 filled)))
           (print "["