Scale surfaces properly

1 files changed, 5 insertions, 0 deletions

diff --git a/src/util.c b/src/util.c
index ca848ec..6001a31 100644
--- a/src/util.c
+++ b/src/util.c
@@ -205,6 +205,11 @@ void strfree(char **list)
     free(list);
 }
 
+double steps(double value, int n)
+{
+    return floor(value * n) * (1.0 / n);
+}
+
 bool iszero(const void *ptr, size_t size)
 {
     for (size_t i = 0; i < size; i++) {