set displacement

1 files changed, 1 insertions, 0 deletions

diff --git a/ui.h b/ui.h
index ac8b047..4d0a63a 100644
--- a/ui.h
+++ b/ui.h
@@ -17,5 +17,6 @@ typedef struct {
 } UI;
 
 void init_ui(UI *ui);
+void set_displacement(UI *ui);
 void insert_point(UI *ui, int idx);
 void remove_point(UI *ui, int idx);