Add function to calculate line direction

2024-01-24 22:43:55 +00:00
parent 9139dae379
commit 04855478fd
2 changed files with 9 additions and 0 deletions
--- a/include/window.h
+++ b/include/window.h
@@ -69,6 +69,8 @@ void cleanup_window(window *wnd);
 void clear_window(const window *wnd, colour colour);
 void swap_buffers(const window *wnd);

+vec2 line_direction(const line *ln);
+
 void draw_point(const window *wnd, point p, colour colour);
 void draw_line(const window *wnd, const line *ln, colour colour);
 void draw_triangle(const window *wnd, triangle triangle, colour colour);