The Spine runtime for Unity comes with an example project which has "spineboy" walking. When clicked, he jumps and the transition to/from walking/jumping is blended smoothly. Use the instructions below for your version of Unity. # Unity 4 1. Copy `spine-csharp/src` to `spine-unity/Assets/Plugins/Spine/spine-csharp`. 1. Delete the `Assets/examples/Unity 3.5` directory. 1. Open the `Assets/examples/Unity 4/spineboy.unity` scene. # Unity 3.5.7 Note that you **must** delete the `Unity 4` directory or Unity will crash. 1. Copy `spine-csharp/src` to `spine-unity/Assets/Plugins/Spine/spine-csharp`. 1. Delete the `Assets/examples/Unity 4` directory. 1. Open the `Assets/examples/Unity 3.5/spineboy.unity` scene. # Notes - Atlas images should use premultiplied alpha.