How can I record straight off my computer without pointing my camera at it it there a way AND how to record straight off my TV

You'll need to buy and attach a video capture device to your computer to record from your TV source.

Any device you buy will come with the software needed to actually capture the video into computer files like AVIs or MOVs.

Take a look at these devices on TigerDirect.com, you'll see what I mean:
Search Results for video capture at TigerDirect.com