Multi-DOF manipulator simulation - stretch sling

Telescopic sling

int numChild = groupRope->getNumChildren();
groupRope->removeChildren(0, numChild);

for (int k = 0; k<num; k++)
{
    osg::ref_ptr<osg::Geode> rope1 = CreateCylinder(0, 0, startPosition, 0.1f);
    hookNode = rope1;
    groupRope->addChild(rope1.get());
    startPosition++;
}