rework interactions

src/backend/openxr/lines.rs

@@ -36,6 +36,7 @@ impl LinePool {
             [0x00, 0x60, 0x80, 0xff],
             [0xB0, 0x30, 0x00, 0xff],
             [0x60, 0x00, 0x80, 0xff],
+            [0xff, 0x00, 0x00, 0xff],
         ];
 
         let views = colors

src/backend/openxr/mod.rs

@@ -186,6 +186,10 @@ pub fn openxr_run(running: Arc<AtomicBool>) -> Result<(), BackendError> {
                         f(&mut app_state, &mut o.state);
                     }
                 }
+                TaskType::Toast(t) => {
+                    // TODO toasts
+                    log::info!("Toast: {} {}", t.title, t.body);
+                }
             }
         }