Need help with bitmap rotation.

[b][red]This message was edited by BadManiac at 2004-4-30 23:58:1[/red][/b][hr]
I'm implementing the bitmap rotation algorithm found on Programmers Heaven here:
http://www.programmersheaven.com/zone10/cat345/15441.htm

I've got as far as breaking out the trig out of the inner loop, but I still have all the mul's and since I'm not too good with trigonometry I can't really figure out how to break them out properly. It would be very helpful if someone could explain a bit closer how it works. If you are interested in helping me out, contact me on ICQ:11009418 or MSN:martin_maniac@hotmail.com

Thanks a lot, any help would be apreciated.
//BM




Comments

  • : I'm implementing the bitmap rotation algorithm found on Programmers Heaven here:
    : http://www.programmersheaven.com/zone10/cat345/15441.htm
    :
    : I've got as far as breaking out the trig out of the inner loop, but I still have all the mul's and since I'm not too good with trigonometry I can't really figure out how to break them out properly. It would be very helpful if someone could explain a bit closer how it works. If you are interested in helping me out, contact me on ICQ:11009418 or MSN:martin_maniac@hotmail.com
    :
    : Thanks a lot, any help would be apreciated.
    : //BM
    :
    [hr]

    I have another bitmap rotating program here:
    http://www.programmersheaven.com/search/download.asp?FileID=23928

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