slower map zoom

src/camera.rs

@@ -161,10 +161,10 @@ pub fn update_map_camera(
     }
     let mut change_zoom = 0.0;
     if keyboard_input.pressed(settings.key_map_zoom_out) {
-        change_zoom += 1.0;
+        change_zoom += 0.5;
     }
     if keyboard_input.pressed(settings.key_map_zoom_in) {
-        change_zoom -= 1.0;
+        change_zoom -= 0.5;
     }
     for wheel_event in er_mousewheel.read() {
         change_zoom -= wheel_event.y * 3.0;