How do I this shadows?

Hello boys.

I'm trying to get shadows of this type, but what I get is this other (see picture).

how could I do it, I guess you can do because I've seen similar things

aggghhhh....i cant post urls

well....what i want is the object shadow, with object form... no one cube form....

sorry but my bad english

You have to change collision polygon.

There are many demo tutorial in link below

https://www.dropbox.com/sh/eioscti86bpr ... 7YPza?dl=0