add hover input events

spatial/README.md

@@ -15,12 +15,6 @@ Scripts use the [component model](https://github.com/WebAssembly/component-model
 [WIT](https://github.com/WebAssembly/component-model/blob/main/design/mvp/WIT.md) interfaces defined by The Wired.
 Host environments can then implement these interfaces, allowing scripts to interact with the scene in a controlled manner.
 
-### Input
-
-TODO.
-
-The Wired will handle user input through a system inspired by Stardust's [SUIS](https://docs.rs/stardust-xr-fusion/latest/stardust_xr_fusion/input/index.html).
-
 ## Worlds
 
 Worlds are created at a user's [DWN](../social/#decentralized-web-nodes-dwns), following to the [world schema](../social/dwn/schemas/world.json).

spatial/wit/wired-input/types.wit

@@ -36,31 +36,26 @@ interface types {
 
   /// A line with an origin and a direction.
   record ray {
-    origin: vec3,
     orientation: quat,
-  }
-
-  /// A single point of interaction, such as the tip of a stylus.
-  record tip {
     origin: vec3,
-    orientation: quat,
-    radius: f32,
   }
 
-  variant input-type {
+  variant input-data {
     hand(hand),
     ray(ray),
-    tip(tip),
+  }
+
+  variant input-action {
+    collision,
+    hover,
   }
 
   record input-event {
     /// Unique id for the event.
     id: u64,
+    /// The action that created the event.
+    action: input-action,
     /// Spatial input data.
-    input: input-type,
-    /// Distance from the input method to the handler.
-    distance: f32,
-    /// How many handlers received the event before this one.
-    order: u32,
+    data: input-data,
   }
 }

spatial/wit/wired-input/world.wit

@@ -13,6 +13,6 @@ interface handler {
 
     /// Handle the next recieved input event.
     /// Events only last for one tick.
-    handle-input: func() -> option<input-event>;
+    next: func() -> option<input-event>;
   }
 }