Iterate on world-space XR UI without putting on a headset.
Mouse-driven hover, click, drag and scroll through the real XRI interaction chain — zero changes to your scenes, input actions or prefabs.Requires Unity 6 (6000.0+) and XR Interaction Toolkit 3.5+ (com.unity.xr.interaction.toolkit, installed via PackageManager; the Input System package is installed with it automatically). Editor-only tool — nothing ships in player builds.Works with any XR platform supported by XRI (OpenXR, Meta Quest, etc.). Verified on Unity 6000.5 with XRI 3.5.1.**Stop reaching for the headset every time you tweak a button.**XR Mouse Sim lets you test world-space UI in the Unity editor with just your mouse. Enter Play Mode, move the cursor over any world-space canvas, and hover, click, hold-and-drag and wheel-scroll simply work — through the same XRI event chain your players will use on device.**Native XRI, not mouse emulation hacks**- Pose is injected via an editor-only ray interactor; select/trigger fire through virtual device state- Your Select action fires with its own bindings — we never touch your InputActionAsset- No modifications to your scenes, prefabs, cameras or EventSystem**Full interaction parity**- Hover highlights, click, slider drag, ScrollRect wheel scrolling- Works with your existing XR UI setup (XRUIInputModule + TrackedDeviceGraphicRaycaster)**Zero-friction setup**- Auto-spawns in Play Mode inside the editor only — nothing ships in your build (editor-gated, build pollution: zero)- Project Settings panel: enable toggle, headset gate, camera override, ray distance- Getting Started window, demo scene and full documentation included**Honest scope**- Editor-only tool for Unity 6 + XRI 3.5+. Not a runtime input solution; gamepad/touch simulation not included.Questions? xrtoolsmith@gmail.com — support is a feature, not an afterthought.




