Flow ray
Raycasting where all intersected objects are listed in a secondary menu for the user to choose from.
How it works
Every object hit by the ray becomes a candidate, shown in a pop-up menu near the hand; the user selects the intended one from the menu.
Papers
- Ferran Argelaguet, Carlos Andujar (2013). A survey of 3D object selection techniques for virtual environments. Computers & Graphics doi:10.1016/j.cag.2012.12.003
- Tovi Grossman, Ravin Balakrishnan (2006). The design and evaluation of selection techniques for 3D volumetric displays. ACM Symposium on User Interface Software and Technology (UIST) doi:10.1145/1166253.1166257