Rotating Sprites ?

Expert (85)

14-07-2004, 23:36

Is there a way to rotate the sprites in BASIC ? I want to make a little animation but preferrably I don´t want to draw a sprite for each angle

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By anonymous

incognito ergo sum (116)

14-07-2004, 23:52

You actually mean ROTATE? Not FLIP or MIRROR?
For any of the above functions you will need to write your own code, or use seperately drawn or generated sprites.

With rotation it's hard to achieve good results, as a rotated 16x16 sprite doesn't fit in 16x16 anymore for most angles. The lower the resolution, to harder it is to get good results. So you're better off drawing the sprites from different angles yourself, or use a program to generate them and then adjust them by hand.

By Retroman

Expert (85)

15-07-2004, 00:07

No, not flip or mirror, rotating in different angles ! So it IS possible ? How ?

By anonymous

incognito ergo sum (116)

15-07-2004, 00:18

http://www.msx.org/forumtopic1272.html

By Retroman

Expert (85)

15-07-2004, 00:24

Hmmm, I did a search and it revealed nothing, oh well ..... thx

By anonymous

incognito ergo sum (116)

15-07-2004, 00:25

5th entry when searching for 'rotate'
Ofcourse I knew what to look for, having answered that thread myself

By Retroman

Expert (85)

15-07-2004, 00:27

I allways tried things like "rotate sprite" and "rotate sprites" ! Never tried ROTATE as a single word

Anyway, that sample code is a great help to me, thx again !

By [D-Tail]

Ascended (8258)

15-07-2004, 18:45

Well, I've myself developed an article on rotation... Check :) this link :)...

Though the results aren't as satisfactory as they should be... IIRC Sonic_aka_T gave me some advice about that, but I'm not sure about that. Anyway, I didn't do anything with it ever since. Just check it and see if it's of any help ;)

By Retroman

Expert (85)

16-07-2004, 00:05

I´ll have a look at it Thx

By IC

Hero (557)

16-07-2004, 00:48

I tried a fullscreen rotate function full screen in kun basic.. I know it can be done.. But realtime is really slow..