change cursor to crosshair on center

1 files changed, 13 insertions, 3 deletions

diff --git a/client/src/window.rs b/client/src/window.rs
index 05035c4..dcfb1e8 100644
--- a/client/src/window.rs
+++ b/client/src/window.rs
@@ -24,13 +24,14 @@ use winit::{
     event::{DeviceEvent, ElementState, WindowEvent},
     event_loop::ActiveEventLoop,
     keyboard::{KeyCode, PhysicalKey},
-    window::{CursorGrabMode, Window, WindowAttributes, WindowId},
+    window::{CursorGrabMode, CursorIcon, Window, WindowAttributes, WindowId},
 };
 
 pub struct WindowState {
     init: Option<TcpStream>,
     window: Option<(Window, State<'static>)>,
     lock: bool,
+    center: bool,
 }
 impl WindowState {
     pub fn new(init: TcpStream) -> Self {
@@ -38,6 +39,7 @@ impl WindowState {
             window: None,
             init: Some(init),
             lock: false,
+            center: false,
         }
     }
 }
@@ -74,7 +76,15 @@ impl ApplicationHandler for WindowState {
                         let dt = 0.008_f32;
                         let h = center + (sta.input_state.cursor_pos - center) * (-dt).exp();
                         sta.input_state.cursor_pos = h;
-                        win.set_cursor_visible(center.distance(sta.input_state.cursor_pos) > 5.);
+                        let center = center.distance(sta.input_state.cursor_pos) < 5.;
+                        if self.center != center {
+                            self.center = center;
+                            win.set_cursor(if center {
+                                CursorIcon::Crosshair
+                            } else {
+                                CursorIcon::Default
+                            });
+                        }
                         win.set_cursor_position(LogicalPosition::new(h.x, h.y))
                             .unwrap();
                     }
@@ -95,7 +105,7 @@ impl ApplicationHandler for WindowState {
                                 })
                                 .unwrap();
                                 self.lock = !self.lock;
-                                win.set_cursor_visible(!self.lock);
+                                win.set_cursor(CursorIcon::Default);
                             }
                             _ => (),
                         }