Code:
def toggleLink():
global link
if link:
#If link exits, stop grabbing
link.remove()
link = None
if vizmat.Distance(hand.getPosition(), ball.getPosition()) < .5:
link = viz.grab( hand, ball )
if vizmat.Distance(hand.getPosition(),crank.getPosition()) < .5:
link=viz.grab ( hand, crank)
vizact.onpick(viz.MOUSEBUTTON_RIGHT ,toggleLink)
paul im trying with this mouse event..but still not able to select any one object at this time...