From ca1a207c9944b754cd93475f435291f5ba5ef246 Mon Sep 17 00:00:00 2001
From: "0m.ax" <git@0m.ax>
Date: Sat, 19 Jul 2025 01:37:51 +0200
Subject: [PATCH] trait

---
 src/main.rs | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index b030c7d..f27aa71 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -53,7 +53,7 @@ struct BouncingImage {
 
 trait Drawable {
     // Associated function signature; `Self` refers to the implementor type.
-
+    fn rate(&self) -> u32;
     fn draw_and_move(&mut self, display: &mut Display);
 
     fn draw_png(&mut self, display: &mut Display, x: i32, y: i32);
@@ -88,7 +88,9 @@ impl BouncingImage {
 
 }
 impl Drawable for BouncingImage {
-
+    fn rate(&self) -> u32 {
+        return self.rate;
+    }
     /// Draws a PNG image at the given coordinates.
     fn draw_png(&mut self, display: &mut Display, x: i32, y: i32) {
         
@@ -195,12 +197,12 @@ impl Display {
 }
 
 fn main() {
-    let mut images = vec![
-        BouncingImage::new("images/unicorn_cc.png", 13, -10, 1, -1, -1),
-        BouncingImage::new("images/windows_logo.png", -8, 3, 2, -1, -1),
-        BouncingImage::new("images/spade.png", 32, -12, 1, 0, 0),
-        BouncingImage::new("images/dvdvideo.png", 20, 6, 5, 1000, 800),
-        BouncingImage::new("images/hackaday.png", 40, 18, 3, 500, 800),
+    let mut images:Vec<Box<dyn Drawable>> = vec![
+        Box::new(BouncingImage::new("images/unicorn_cc.png", 13, -10, 1, -1, -1)),
+        Box::new(BouncingImage::new("images/windows_logo.png", -8, 3, 2, -1, -1)),
+        Box::new(BouncingImage::new("images/spade.png", 32, -12, 1, 0, 0)),
+        Box::new(BouncingImage::new("images/dvdvideo.png", 20, 6, 5, 1000, 800)),
+        Box::new(BouncingImage::new("images/hackaday.png", 40, 18, 3, 500, 800)),
     ];
 
     let mut display = Display::new(DISPLAY_HOST, DISPLAY_PORT);
@@ -210,7 +212,7 @@ fn main() {
 
     loop {
         for (i, bb) in images.iter_mut().enumerate() {
-            if bb.rate > 0 && frame_counter % bb.rate != 0 {
+            if bb.rate() > 0 && frame_counter % bb.rate() != 0 {
                 continue;
             }
             bb.draw_and_move(&mut display);