26 lines
2.1 KiB
Markdown
26 lines
2.1 KiB
Markdown
# VIVE OpenXR Hand Tracking Unity Feature
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To help software developers create an application for locating hand joints with the OpenXR hand tracking extension [XR_EXT_hand_tracking](https://www.khronos.org/registry/OpenXR/specs/1.0/html/xrspec.html#XR_EXT_hand_tracking).
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## Load sample code
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**Window** > **Package Manager** > **VIVE OpenXR Plugin - Windows** > **Samples** > Click to import **HandTracking Example**
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## Play the sample scene
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1. **Edit** > **Project Settings** > **XR Plug-in Management** > Select **OpenXR** , click Exclamation mark next to it then choose **Fix All**.
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2. **Edit** > **Project Settings** > **XR Plug-in Management** > **OpenXR** > Add Interaction profiles for your device.
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3. **Edit** > **Project Settings** > **XR Plug-in Management** > **OpenXR** > Select **Hand Tracking** under **VIVE OpenXR** Feature Groups.
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4. In the Unity Project window, select the sample scene file in **Assets** > **Samples** > **VIVE OpenXR Plugin - Windows** > **1.0.13** > **HandTracking Example** > **Scenes** > **HandTrackingScene.unity** then click Play.
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## Use VIVE OpenXR Hand Tracking Unity Feature to draw skeleton hand.
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1. Import VIVE OpenXR Plugin - Windows
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2. Add Hand gameobject to the Unity scene
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- Refer to functions **StartFrameWork** and **StopFrameWork** in **HandManager.cs** for creating and releasing handle for hand.
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- Refer to the function **GetJointLocation** in **HandManager.cs** for getting the information to locate hand joints.
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- Drag "SkeletonHand" prefab into scene hierarchy or Create an empty object and attach **RenderHand.cs**.
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## Use VIVE OpenXR Hand Tracking Unity Feature to draw 3D hand.
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1. Import VIVE OpenXR Plugin - Windows
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2. Add Hand gameobject to the Unity scene
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- Refer to functions **StartFrameWork** and **StopFrameWork** in **HandManager.cs** for creating and releasing handle for hand.
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- Refer to the function **GetJointLocation** in **HandManager.cs** for getting the information to locate hand joints.
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- Drag "3DHand" prefab into scene hierarchy or attach **RenderModel.cs** to "ObjModelHandLeft_26.fbx" and "ObjModelHandRight_26.fbx". |