eniko,
@eniko@peoplemaking.games avatar

was reminded of this old banger of a tweet so i'm reposting it here on mastodon after checks watch 9 years

A visual representation of how high 2:1 isometric blocks should be

#PixelArt #GameDev

shalien,
@shalien@projetretro.io avatar

@eniko Stealing that .

niarbeht,
@niarbeht@kolektiva.social avatar

@eniko now that i know to look for this, i've realized project zomboid suffers from this

eniko,
@eniko@peoplemaking.games avatar

@niarbeht oh no

niarbeht,
@niarbeht@kolektiva.social avatar

@eniko kinda wish someone had pointed it out to them like a decade ago because I suspect it would have been easier for them to fix early on in the project. I’m wondering if I should submit a bug report or not.

eniko,
@eniko@peoplemaking.games avatar

@niarbeht probably not

AngryAnt,
@AngryAnt@mastodon.gamedev.place avatar

@eniko It is a goodie though. Thank you for reposting (and posting) it :)

glyph,
@glyph@mastodon.social avatar

@eniko thank you, I absolutely needed to see this today

breadbin,
@breadbin@bitbang.social avatar

@eniko That’s really neat! Bet this is one of those things everyone gets wrong when they start out.

Well at least I know one useful source for these type of things now. :)

Do you have these types of things collected somewhere? Also don’t feed bad about reposting them bit by bit here.

eniko,
@eniko@peoplemaking.games avatar

@breadbin tbh this is the only great one i ever made >_>

lustlion,

@eniko i like making them smoller than 0.5x :3
​:hr_longline2:​
WARNING: This user may be either Sachi or Selena. No one knows.

andrewt,
@andrewt@mathstodon.xyz avatar

@eniko i do kind of want to see/make a game where the ambiguity on the left is a mechanic, though

not sure how it would work but the vague idea's been knocking around my head for ages

eniko,
@eniko@peoplemaking.games avatar

@andrewt i think they've made 3D ones like that that are kinda escheresque

didier,
@didier@malenfant.net avatar

@eniko Now you just made @nivrig's job even harder... 😂

nivrig,
@nivrig@mastodon.social avatar

@didier @eniko Yeah we're not doing that :) For one thing, it's a port and the original doesn't do that. Luckily.

bread80,
@bread80@mstdn.social avatar

@eniko The bottom left image has me thinking a computer game which includes optical illusions might be ‘fun’.

can,
@can@haz.pink avatar

@bread80 @eniko then you will probably enjoy Superliminal

bougiewonderland,
@bougiewonderland@freeradical.zone avatar

@eniko @marcpalmer My brain now hurts 😵‍💫

eniko,
@eniko@peoplemaking.games avatar
screambiogenesis,
@screambiogenesis@mastodon.social avatar

@eniko Well shit, 2am wasn't a great time to be reminded of Sim City 2000...

eniko,
@eniko@peoplemaking.games avatar
tml,
@tml@urbanists.social avatar

@eniko Sorry if this is a silly question, but what actual height is the block that is represented isometrically? Is it a cube?

eniko,
@eniko@peoplemaking.games avatar

@tml yep. It's NxNxN so it could be any size but all sides are the same length

wolf480pl,
@wolf480pl@mstdn.io avatar

@tml @eniko technically this is not the isometric projection, as not all axes have been shortened by the same ratio.

If I understand correctly, the true length of a side of the square is 32√2, and you're viewing it from an angle 30° above ground.

That means if this was a cube, its truw height would be 32√2, but it'd be at 60° angle to the projection lines, so its projected length would be 32√2 * 0.5√3 = 16√6 = 64 * (√6)/4 =~ 64 * 0.612 so it checks out

wolf480pl,
@wolf480pl@mstdn.io avatar

@tml @eniko
so it is a cube, and the projection is dimetric projection according to
https://en.m.wikipedia.org/wiki/Axonometric_projection#Three_types

Sanakism,
@Sanakism@mastodon.online avatar

@wolf480pl @tml @eniko technically it's a dimetric projection, but in videogame terms people will colloquially refer to anything with a W > H rhombus grid as an "isometric" view, and W = 2H is conveniently easy to tesselate along pixel boundaries as the boundary lines are a constant 2-step. So that's what "isometric" means now in videogame terms.

Sanakism,
@Sanakism@mastodon.online avatar

@wolf480pl @tml @eniko but true isometric does have the awkward property of the left-side image where a 1-unit-tall block has its top tile line up exactly with a tile one unit down but directly behind it, so it's also sometimes arranged that way with 2:1 faux-isometric graphics... which - as the top image states - looks wrong, because those aren't actually 1:1:1 unit-cube proportions in this particular dimetric projection.

eniko,
@eniko@peoplemaking.games avatar

@Sanakism @wolf480pl @tml I mean it says it's dimetric right in the image

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