• Unity 2018.4.9.f1
• MixedrealityToolkit v2
• TextMesh Pro

• Download latest release from Releases page
• Add MRTK unitypackage in you project from this tutorial
• Add the MRTKVolumeSelector/SelectionArea prefab into the scene

After selection is done, you can check the position of the SelectionArea or you can use the supplied MRTKVolumeSelector/MRTKVolumeSelectorMeshCutter to cut the selected part of spatial awareness mesh:

var meshCutter = GetComponent<MRTKVolumeSelectorMeshCutter>();
Output.mesh = meshCutter.CutMeshToSelection(meshCutter.GetSpatialMesh(), SelectionArea);    

You can check out the working demo scene by cloning this repository.

Hanna Pankova (@anniepank)

MIT