How to make spinners symmetrical

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Topic Starter
ziin
This guide is probably hard to understand for people with little experience in gimp/photoshop. It assumes you can turn on and off layers, as well as find some things on your own. If you have questions, you can forum PM me (or I suppose post in this thread) and I'll try to help. I'm no good at actually generating content, though, just editing someone else's work.

How to make symmetrical spinners

I'm tired of seeing wobbly spinners. Please, if you want to make a spinner, make sure it's perfectly centered.

First open up your image editor, I use GIMP, since it's free.

Make a new document. The template skin is 666x666, and while it's safe to go over that limit, spinners can cause lots of lag on slow computers, so it's best to make it under that limit. Make the document 664x664, so that when we are done, we can pad the edges with transparency, which lets osu! know that it can anti-alias the border, rather than make it a straight edge.

Use the ellipse tool (shortcut is "e") and make a circle on the entire document. Create a new layer and fill it with a color.

Then shrink the selection by going to Select -> Shrink. Fore more accurate circles, simply redraw them with the ellipse tool, as "shrink" is only good for one or two circles.

I chose 15, but you can choose however much you want. Create a new layer and fill the smaller selection with a different color so you can see it.

Repeat the process for the center dot as well, or any other circles you want. I chose 300.

You can then use each layer to make designs, or put your picture on it by selecting the alpha channel of that layer

and copy/paste the selection from the image you want to copy:

Finally, you can add a design in the middle, or recolor the edges. Make sure you reset the canvas size to 666x666 by going to Image -> Canvas Size, and center the image so you have a 1 pixel border around the image.

Now you should have a perfect spinner which doesn't wobble when you spin it.

I won't tell you how to make the edges pretty, or give it depth, that's something entirely different. I chose a very simple image and process. If you want to do that, there are guides everywhere, or you probably already know how to do that. However it seems that symmetry has escaped most of the people who make skins.

How to make spinner backgrounds which match the beatmap background

If you want your spinner to have the same background as the actual map, it can be difficult because of a bug in osu! introduced by a gameplay change which was never fixed. First, we need to match up the background in the game and not in the beatmap editor. The beatmap puts storyboarded elements (background and video) 5 pixels higher on 1024x768 than the rest of the map.

First, take the background at 1024x768 and crop out the top 46 pixels and bottom 30 pixels, giving you a 1024x692 image. The template image is 1023x692, but this doesn't matter; the right side is just pure black due to the nature of how spinners work.

Technically, you are done, but if you want to make the background "fill in" with a background spinner meter, then you can use the template skin, or make it yourself. Bring in the template spinner-meter. To recolor it, turn off the alpha channel by selecting it, so you don't modify the transparency at all. Then use the bucket fill and fill the entire area with a gray color or whatever color you want (I used black).

Once you have the color, select the entire alpha channel again (right click on the alpha channel -> channel to selection) copy and paste the spinner background so you have something to fill in for your spinner meter.

To add some more detail, you can turn down the opacity on the black image.

Then you can see how it looks filled in by turning on the old layer. Note it has a little bit of an outline. If you want to change the size of that outline, you can use the select - grow or shrink tool before you copy/paste to make the spinner meter.

If you do this, the transition from background to spinner will be seamless, and you won't have the background move up a few pixels.
Xafnia
Nice, I will use this in the future for spinners and other circular shaped things. <3
Mara
Beautiful. Please sticky this.
MLGnom
After shrinking, you can use Select -> Feather. With this border of your spinner should be smoother. (only if it looks sharp)
James2250
Hopefully I will see less "wobbly spinners" while modding now then~
Derekku
Stickied for great justice.
Kurai
Nice :3
Verdisphena

ziin wrote:

To come: How to make spinner backgrounds which match the background image.
well, i can wait.
Nice tutorial.
Faust
You are awesome. ;)

Thanks for tutorial.
OzzyOzrock
Could you give me an example of a wobbly slider?
Topic Starter
ziin
By slider I assume you mean spinner. I don't think I slipped up in the original post did I?

http://osu.ppy.sh/s/10353
http://osu.ppy.sh/s/6479
http://osu.ppy.sh/b/80139
http://osu.ppy.sh/s/12550
http://osu.ppy.sh/b/39880
http://osu.ppy.sh/b/49612

And a large number of unranked ones.
Verdisphena
Thanks ziin :D
Doreamon
Thanks so much,the skill is useful in my new map=w=
Lyliea
Nice Tuto,
arigatô gosaïmasu !~
bokser98
I have a problem...

If you want to resize the image to the dimensions of 1024x768 it does not want me to change (the image is 985x680 pixels) ... What am I doing wrong
Topic Starter
ziin

bokser98 wrote:

I have a problem...

If you want to resize the image to the dimensions of 1024x768 it does not want me to change (the image is 985x680 pixels) ... What am I doing wrong
Image -> scale image -> put in 1024x768 -> press the "scale" button.
bokser98
Big "THANKS" man :)
-Napoleon-
I have a question: "Technically, you are done, but if you want to make the background "fill in" with a background spinner meter, then you can use the template skin, or make it yourself. Bring in the template spinner-meter. To recolor it, turn off the alpha channel by selecting it, so you don't modify the transparency at all. Then use the bucket fill and fill the entire area with a gray color or whatever color you want (I used black)." I fill equal that or other thing?
Topic Starter
ziin
you fill that. If you want the backgroundto show through, you can fade the black layer a bit before you save the spinner-background.
-Napoleon-
Ohhhhh now I get it!
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