sp/src/game/client/holodeck/in_leap.cpp
sp/src/game/client/holodeck/in_leap.h
 * Basic weapon handling: start a ball gesture to pickup an object, and release to throw the object (requires that the player possesses the physcannon).

sp/src/game/server/holodeck/holo_button_panel.cpp
 * Attempted to make panel activation dependent on finger direction AND velocity, however the Leap SDK spews incorrect velocity.