Unity

Create/Open Project

Save new projects on the Innovationlab Filer or on the ZHdK GIT Server in your project folder.

Import a Character

Drag and Drop FBX into project window

Select Character in project window and go to Inspector > Rig > Animation Type set to Humanoid

Import Advanced Sceleton Charater from Maya into Unity

Install OptiTrack Unity Plugin

A full documentation about using the OptiTrack Unity Plugin can be found the OptiTrack page: https://v20.wiki.optitrack.com/index.php?title=OptiTrack_Unity_Plugin

Download Plugin from Optitrack Website http://optitrack.com/downloads/plugins.html or from the Innovationlab Filer: Path 01_assets/06_plugins/Optitrack/

Install the Plugin in your unity project by doubleclicking the on the Plugin file or go to Asset > Import Pacakge > Import Custom Package… and select the Plugin package.

Add OptiTrack Client to Scene

Open Asset Folder OptiTrack/Prefabs/

Drag & Drop Client - OptiTrack to the scene Hierarchy

Select Client - OptiTrack in Hierarchy and open Inspector window

Check oarameters of the Optitrack Streaming Client (Script) Component

Parameters (Motive & Unity on same PC)

Connection Type Multicast
Local Address 127.0.0.1
Server Address 127.0.0.1
Server Command Port 1510
Server Data Port 1510
Bone Naming Conv. Motive

Parameters (Motive on Mocap PC & Unity on Beamer PC)

Connection Type Multicast
Local Address 10.128.96.102
Server Address 10.128.96.103
Server Command Port 1510
Server Data Port 1510
Bone Naming Conv. Motive

Check Network LAN IPs for other combinations.

Add Motion Caputre Stream for a Rigid Body

To add motion capture live data to a rigid body (e.g. camera), you need to add the Optitrack Rigid Body Script as a Component to your object:

Open Asset Folder OptiTrack/Scripts/

Drag & Drop OptitrackRigidBody to an object in Scene Hierarchy to connection object with motion capture data (e.g. Main Camera)

Open Inspector of Object and show Optitrack Rigid Body (Script) Component

Click on circle symbol next to Streaming Client and select Client - OptiTrack client of the scene

Set Rigid Body Id to StreamingID of corresponding Motive Rigid Body

Run Play Mode

Add Motion Caputre Stream for a Character

Make sure you have a rigged character in unity (see Import a Character from Maya or Import a Character from Mixamo)

To add motion capture live data to a Character/Skeleton, you need to add the OptitrackSkeletonAnimator Script as a Component to your character:

Drag & Drop your character into Scene Hierarchy

Open Asset Folder OptiTrack/Scripts/

Drag & Drop OptitrackSkeletonAnimator to an character in Scene Hierarchy to connection skeleton with motion capture data

Open Inspector of character and show Optitrack Skeleton Animator (Script) Component

Click on circle symbol next to Streaming Client and select Client - OptiTrack client of the scene

Click on circle symbol next to Destination Avatar and select Avatar of the character

Set Skeleton Asset Name to Asset Name of corresponding Motive Skeleton

Run Play Mode

Enable Background running

Run in Background in File > Build Settings > Player Settings activate

Useful Shortcuts

Q Pan
W Move
E Rotate
R Scale
F Focus on active selection
Ctrl+Alt+F Move to view

Animation

Open Window > Animation

Add Property to Animate

Press record

Change values to animate > a keyframe will be added

Scrub in Timeline and change values again

Animator

Use to create states. Each state has an animation. So there you can combine animations and connect it to conditions. Window > Animator

Different Layers can be used to make different animations at the same time. The lower the layer the higher priority it has.