Thank you very much for your reply.
Sorry my english is not good so i cant explain it properly before.

When i rotate heart at run time the front part of
heart becames transperent .
This is my problem.

Other problem is,
I made background in med for this heart interective.
Put 3 lites to give proper look of bg.
Because of light my heart model look like self illuminated.
How can i extrude model from wed ligth.

Thanx