Thanks for the ideas mentioned, I got through the various trials and errors develop an ideal for what I was looking for solution.
The problem was: Catching a ball and clicking anywhere on the line, the ball would have to sit on the clicked point.
With this system does not leave the ball over the line. Check out the results below:
[attachment=0:28b2zssf][/attachment:28b2zssf]
Thank you guys!