Working on zooming and scrolling of the image. Want to do a full input chain like I did the raycaster, but I don't know if I want to commit to SFML for my windowing...

src/input.rs

@@ -1,18 +1,20 @@
 use std::collections::HashSet;
-use sfml::window::{Key, Event};
+use sfml::window::{Key, Event, mouse::Button};
 
 
 pub struct Input {
-    held_keys: HashSet<Key>
+    held_keys: HashSet<Key>,
+    held_mouse: HashSet<u8>,
 }
 
 impl Input {
     pub fn new() -> Input {
 
-        let mut container = HashSet::new();
+        let mut key_container = HashSet::new();
-
+        let mut mouse_container = HashSet::new();
         Input {
-            held_keys: container,
+            held_keys: key_container,
+            held_mouse: mouse_container,
         }
     }
 
@@ -20,6 +22,10 @@ impl Input {
         self.held_keys.contains(&key)
     }
 
+    pub fn is_mousebutton_held(&self, button: Button) -> bool {
+        self.held_mouse.contains(&(button as u8))
+    }
+
     pub fn ingest(&mut self, event: &Event) {
         match event {
             Event::KeyPressed { code, .. } => {
@@ -28,6 +34,12 @@ impl Input {
             Event::KeyReleased { code, .. } => {
                 self.held_keys.remove(code);
             }
+            Event::MouseButtonPressed { button, x, y } => {
+                self.held_mouse.insert(button.clone() as u8);
+            },
+            Event::MouseButtonReleased { button, x, y } => {
+                self.held_mouse.insert(button.clone() as u8);
+            },
             _ => {}
         }
     }

src/main.rs

@@ -92,21 +92,30 @@ fn main() {
                     if code == Key::Escape {
                         return;
                     }
-                }
+                },
                 Event::MouseButtonPressed { button, x, y } => {
-                    if button == Button::Left {
+
-                        return;
+                },
-                    }
+                Event::MouseWheelScrolled { wheel, delta, x, y } => {
+
+                    if delta > 0.0 {
+                        println!("{:?}", delta);
+                        println!("{:?}", background_sprite.get_scale());
+                        background_sprite.set_scale(background_sprite.get_scale()+Vector2f::new(0.1,0.1));
+                    } else {
+                        println!("{:?}", delta);
+                        println!("{:?}", background_sprite.get_scale()+Vector2f::new(-0.1,-0.1));
+                        background_sprite.set_scale(background_sprite.get_scale()+Vector2f::new(-0.1,-0.1));
                     }
+                },
                 _ => {}
             }
             input.ingest(&event)
         }
 
-        if input.is_held(Key::W) {}
+        if input.is_mousebutton_held(Button::Left) {
-        if input.is_held(Key::A) {}
+            
-        if input.is_held(Key::S) {}
+        }
-        if input.is_held(Key::D) {}
 
         elapsed_time = timer.elap_time();
         delta_time = elapsed_time - current_time;