Cursor needs to use new global normal for hover height

[casonclagg]

Change example to break it:

    <a-box position="-3 0.8 -3" rotation="0 180 0" material="color:red">
        <a-box position="0 1.6 0" rotation="0 30 0" material="color:blue" scale="1.2 1.2 1.2"></a-box>
    </a-box>