DreamingAway

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Aug 24, 2022
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The sprite sheets are the giveaway that he did hand-animate them. Those frames aren’t just the same parts rotated — they show redrawn motion, squish/stretch
That's actually not true - Squish / Stretch are all part of 2D Rig Animation. Spine2D has soft meshes and physics. Doing hair / breast jiggle physics is really easy although I doubt he's using physics, but I do think he keyframes the squish and nipple motion.


and pose changes you can’t get from a rig alone.
The redrawn poses are probably just separate rigs / poses. Each pose has a unique sprite sheet of frames. He's got the Side walk animation (which he flips) then the standard "idle". There's zero transition from one to the other. It's a binary swap.

Even if there was transition frames - this is done a lot in 2D rigged software through layer swaps (swapping a closed hand with a open hand on a keyframe to show a different angle). Also Spine2D allows you to export your animation as a rendered Sprite sheet and you can even clamp your physics to force symmetry for the outputted animation sprite sheet so that your first and last frame "match" and you don't get weird physics artifacts.

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He may do hand edits afterwards, or he may do everything in Spine.. or he may hand animate everything - all are valid workflows and I would believe any of them but without him saying we can't know. I always assumed he does hand animations like Inusen until the space level where he clearly used a sprite atlas in-engine vs outputting a pre-animated sprite sheet.
 

Meme dude

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Apr 11, 2023
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That's actually not true - Squish / Stretch are all part of 2D Rig Animation. Spine2D has soft meshes and physics. Doing hair / breast jiggle physics is really easy although I doubt he's using physics, but I do think he keyframes the squish and nipple motion.
Spine can fake squish/stretch and export sheets, but Bambook’s older games don’t look like rig exports — those sprite sheets have redraws and in-betweens that rigs don’t naturally give you. Deep Space (and a few cases like the Bride in Wedding Rings) experimented with atlases + engine rigs. And now he’s using a third method: a single base image rigged in-engine, which he confirmed himself with Marika’s idle sprite (the one where she's hanging in the air and not the one standing up) — “this animation is in fbx format, not gif format. It is played only in the game engine. I sometimes make simple animations in fbx format to save memory.”

The walk cycle only appears once because Paper2D just flips it in-engine, which is standard.

So unless Bambook says otherwise, the pattern is pretty clear:

Older games = hand-animated sheets
Deep Space & a few = rig/atlas
Later = back to sheets, just optimized + new method every now and then
 

Meme dude

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Apr 11, 2023
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Save would be nice
So after some digging around in the forum and on Kemono, I was able to get the save files for Collection 1 (v1.3) and Collection 2 (v2.1). Collection 3 doesn’t have a compilation build yet, so we’ll just have to wait on that.

I would’ve linked Cazzone’s work (and I still want to thank them, since their post helped me understand how to actually upload/use saves), but their save was incomplete because they never updated it for 2.1. Luckily, Bambook’s Kemono pages included the updated files, so here they are.

Follow Cazzone’s instructions below, and you should be good to go (assuming you’re on Windows and have the correct versions of Collection 1.3 and 2.1 installed).

Put the saves in:
C:\Users\<UserName>\AppData\Local\FuckermanPS\Saved\SaveGame

Links will be added below.

Collection 1.3:


Collection 2.1:
 
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meiva

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May 7, 2025
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So after some digging around in the forum and on Kemono, I was able to get the save files for Collection 1 (v1.3) and Collection 2 (v2.1). Collection 3 doesn’t have a compilation build yet, so we’ll just have to wait on that.

I would’ve linked Cazzone’s work (and I still want to thank them, since their post helped me understand how to actually upload/use saves), but their save was incomplete because they never updated it for 2.1. Luckily, Bambook’s Kemono pages included the updated files, so here they are.

Follow Cazzone’s instructions below, and you should be good to go (assuming you’re on Windows and have the correct versions of Collection 1.3 and 2.1 installed).




Links will be added below.

Collection 1.3:
Google Drive

Collection 2.1:
Mega
where for Android??
 
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