private void grab()
{
if (!isGrabbing && currentBlock != null)
{
Debug.Log("grabbing");
claw.isGrasping = true;
isGrabbing = true;
//clench that block
BlockScript bs = currentBlock.GetComponent <BlockScript>();
if (bs != null)
{
bs.Grab(cranePulleyClawRigidBody);
}
}
}