Driver Leap

Fork with updated vendor libraries.

Installation (for users)

• Install Ultraleap Gemini v5.2.0
• Extract latest release archive to <SteamVR_folder>/drivers
• Add line in section steamvr of <Steam_folder>/config/steamvr.vrsettings file:

"activateMultipleDrivers": true,

Usage

Settings

Driver settings are configurated by editing resources/settings.xml. Available settings:

• emulatedController: emulated controllers type. Can be vive, index or oculus. index by default.
• rightHand/leftHand: sets enabling of virtual controller for specific hand. true by default.
• orientation: Leap Motion controller mouting type. Can be hmd or desktop. hmd by default.
• trackingLevel: skeleton tracking style for OpenVR. Can be partial or full. partial by default.
• desktopOffset: global position offset from head in desktop orientation.
• leftHandOffset/rightHandOffset: local offset position for specific hand controller.
• leftHandOffsetRotation/rightHandOffsetRotation: local offset rotation for specific hand controller.
• handsReset: marks controllers as out of range if hand for controller isn't detected by Leap Motion. false by default.
• interpolation: enables internal Leap Motion data capture interpolation. false by default.
• useVelocity: enables velocity data from Leap Motion for hands. false by default.

Gestures

List of hands gestures that are used in tracking:

• Grab: bending of middle, ring and pinky fingers.
• Trigger: bending of index finger.
• Thumb press: touching of middle segment of index finger by thumb.
• Opisthenar touch: tounching of opisthenar by index finger of opposite hand.
• Palm touch: touching of palm by index finger of opposite hand.
• Thumb touch: touching of thumb finger by index finger of opposite hand.
• Middle touch: touching of middle finger by index finger of opposite hand.
• Palm UV: pointing index finger of opposite hand to palm.

Input list

Vive wand emulation

• System -> Opisthenar touch
• Menu -> Palm touch
• Grip -> Grab
• Trigger -> Trigger
• Touchpad touch -> slight Thumb press
• Touchpad press -> full Thumb press
• Touchpad XY -> Palm UV

Index controller emulation

• System -> Opisthenar touch
• Grip -> Grab
• Trigger -> Trigger
• A -> Palm touch
• B -> Middle touch
• Touchpad touch -> slight Thumb press
• Touchpad press -> full Thumb press
• Touchpad XY -> Palm UV
• Thumbstick -> Thumb touch
• Thumbstick XY -> Not implemented due to lack of free gestures

Oculus Touch emulation

• System -> Opisthenar touch
• Trigger -> Trigger
• Grip -> Grab
• X/A -> Middle touch
• Y/B -> Palm touch
• Thumbstick touch -> slight Thumb press
• Thumbstick press -> full Thumb press
• Thumbstick XY -> Palm UV

Notes

Currently there is a strange behaviour of tracking problems that affect AMD and few Intel systems. If you're encountering with tracking problems, it's adviced to choose different release with higher vs####, or build driver on your system. Refer to Building section below.

Building (for developers)

• Clone repository with git:

git clone https://github.com/SDraw/driver_leap.git

• Initialize submodules:

cd driver_leap
git submodule update --init --depth=1

• Open driver_leap.sln solution in Visual Studio (2013 and up)
• Build your platform:
  • x64 - build output is in bin/win64
• Copy build files to <SteamVR_folder>/drivers/leap/bin/win64:
  • driver_leap.dll
  • leap_monitor.exe
    Note: There are post-build events for projects to copy build files directly to SteamVR driver folder that can be enabled manually.
• Copy additional shared libraries to <SteamVR_folder>/drivers/leap/bin/win64:
  • vendor/LeapSDK/bin/x64/LeapC.dll
  • vendor/openvr/bin/win64/openvr_api.dll
• Copy resources folder from solution root to <SteamVR_folder>/drivers/leap.
• Copy driver.vrdrivermanifest file from solution root to <SteamVR_folder>/drivers/leap.