store collection of pointables in IIntersectable entity
log hover/unhover
add drag-n-drop controller template
fix cleaning useless intersection
use matrix transposition for LeapMotion positions
fix comments about matrix transformation
use pool of Vector3 for transformation
drag-n-drop entity by LeapMotion
combine all Object3D interaction in one interface
relocate classes
relocate classes
relocate classes
relocate classes
remove useless code