Rotsprite - Useful program for rotating your pixel art.

Jonny

Well-known member
I found this program for rotating and sprites for your animations. I't claims to have an algorithm which makes educated guesses on how to rotate the pixels to get better results than using Photoshop etc.

I'm proficient in almost everything Adobe so I understand that this can be done in something like Photoshop fairly easily. I have to say that I did seem to get some really nice results with rotsprite.

The program is free and I'm not affiliated with them in anyway. I just found it and thought it would be handy to you guys... heres the link and some images I did of a spiked bomb for my game.

Rotation was: 22.5%
Frames: 2

http://info.sonicretro.org/RotSprite

https://drive.google.com/open?id=1DqySiC4o_HVgNvqBRLRGyc0XST5ZCCvk

This is only two frames. The program can be used for multiple frames and to enlarge also.
 

AllDarnDavey

Active member
Thanks for this!

I could definitely see using this, I've been using nearest neighbor when rotating in Photoshop, and while it doesn't blur the pixels, it tends to give a crude SNES Mode-7 rotation look(okay, but a bit blocky and disjointed). This does seem to do a better job, and is free :)

I wish they had more information on exactly how it works, 'special algorithm... which tries to preserve the original... by "guessing" pixel patterns.' is a little vague.
 

Jonny

Well-known member
Dirk said:
Thank you! I think Aseprite uses RotSprite too for the rotation tool.

Good to know. I've never used Aseprite. I'm using the download version of Piskel at the moment becasue its free and does everything I want.

I'd heard Aseprite was good. It seems to look more advance. Would you say its worth buying?
 

Dirk

Member
I'd say it's worth buying. I got it when it was on sale for maybe $10-11 instead of about $15.
Before I bought it I used the free version for s while, but you can't save. You could of course copy and paste your graphics into MSPaint and save them. I think it's possible to get Aseprite for free. The code is available and you can compile it yourself. That was too much of a hassle for me though.
 

Dirk

Member
AllDarnDavey said:
It does resizing pixel art better as well? I might use that even more then rotation.

Hmm, I don't know what it uses for resizing. I only make my pixel art bigger and scale with whole factors like 2, 3, 4... and use nearest neighbor interpolation.
 

Jonny

Well-known member
For the price I think I'd just buy it and it supports the creators. I didn't know it was so cheap tbh.

Piskel exports as a .gif file which is a bit annoying as I have to convert it. I'll give Aseprite a go
 
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