refacto : cleaning the codebasebase again

src/types/3d.ts

@@ -0,0 +1,7 @@
+import type { Octree } from "three/addons/math/Octree.js";
+
+export type Vector3Tuple = [number, number, number];
+
+export type ColliderShape = "cuboid" | "ball" | "hull";
+
+export type OctreeReadyHandler = (octree: Octree) => void;

src/types/interaction.ts

@@ -0,0 +1,13 @@
+export type InteractableKind = "grab" | "trigger";
+
+export interface InteractableHandle {
+  kind: InteractableKind;
+  label: string;
+  onPress: () => void;
+  onRelease: () => void;
+}
+
+export interface InteractionSnapshot {
+  focused: InteractableHandle | null;
+  holding: boolean;
+}