Add effects

1 files changed, 10 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 770790d..0e28006 100644
--- a/src/util.h
+++ b/src/util.h
@@ -29,10 +29,20 @@ char *color_to_string(color_t *color);
 
 void color_print(FILE *stream, color_t *color);
 
+struct timespec timespec_from_ms(long ms);
+
+long timespec_to_ms(struct timespec ts);
+
 struct timespec timespec_diff(struct timespec a, struct timespec b);
 
+struct timespec timespec_add(struct timespec a, struct timespec b);
+
+struct timespec timespec_div(struct timespec ts, int n);
+
 bool timespec_greater(struct timespec a, struct timespec b);
 
+bool timespec_zero(struct timespec ts);
+
 void timespec_print(FILE *stream, struct timespec *ts);
 
 // Check if point (px, py) is inside a rectangle in (x, y), (x+w, y), (x, y+h) and (w+h, y+h)