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Hi Hyperkvlt, just a follow-up 🙂 Live Brush version 2.0.0 can now store created brush sets, with live previews and import/export support.

Feel free to check it out if you’re interested. Thanks!

Hi smaiderman, just a follow-up 🙂 Live Brush version 2.0.0 can now store created brush sets, with live previews and import/export support.

Feel free to check it out if you’re interested. Thanks!

Hi Tbage,  if I understand correctly, you mean randomizing the brush image per spray particle so multiple brushes are sprayed at once. That’s something I’ve already thought about, but unfortunately it’s not possible right now due to Aseprite API limitations, the Spray Tool doesn’t expose enough control to modify particles individually. If the API improves in the future, I’d definitely love to add this. Thanks for the suggestion.

Hi Nohazure, thank you for your patience and understanding. I wanted to let you know that I’ve created and uploaded a new patch update for Tweencel (v2.2.2) to address the color tweening issue on the latest version of Aseprite (v1.3.15).

You can now download the updated version, and it should work smoothly with the new Aseprite release.

Thanks again for your support!

Hi Chroniker99, thank you for your patience and understanding. I wanted to let you know that I’ve created and uploaded a new patch update for Tweencel (v2.2.2) to address the color tweening issue on the latest version of Aseprite (v1.3.15).

You can now download the updated version, and it should work smoothly with the new Aseprite release.

Thanks again for your support!

Hi Werzaque, I tested your exact setup on my end using both Aseprite v1.3.15.5 and Aseprite v1.3.14-beta1 to confirm, and Tweencel is generating the correct in-between frames.

Here’s the setup I used:

• 12 frames total
• Frame 1: door image (closed)
• Frames 2–11: empty
• Frame 12: same door image moved +45px to the right
• Applied Position Straight Tween → Hit "Create" button

The tween interpolated the movement correctly from Frame 1 to Frame 12.

I also recorded a GIF demo to show how it looks on my end. https://postimg.cc/3ycWCZG5

Since things are working correctly here, your setup might be behaving differently for a reason I can’t see yet.

Could you share a short GIF of how you’re doing it on your side? And also let me know which Aseprite version you’re using?

Seeing your exact steps will help me understand what’s causing the different result.

Thanks again for reporting this, I appreciate your help in improving the tool!

Hi werzaque, thanks for the detailed explanation. The setup you described is actually correct. It should read the cel in Frame 1, read the cel in Frame 12 (offset 45px), and generate proper in-between frames that smoothly interpolate the movement.

Since I’m currently away from my computer, I can’t test this exact case right now, but based on recent reports from other users, this behavior may be related to Aseprite version changes.

Tweencel was developed and tested on Aseprite v1.3.14-beta1, and some changes introduced in v1.3.15 may affect how cel positions are read by scripts. If you’re on 1.3.15 or higher, this could explain why the interpolation is incorrect.

When I get back to my machine, I’ll test your exact scenario and update Tweencel if needed.

In the meantime, could you let me know which version of Aseprite you’re using? That will help me confirm whether it’s a version-related issue.

Thanks again for reporting this,  your feedback is a huge help.

Hi onisilux, thanks for reaching out, and I’m sorry to hear you’re having trouble.

It looks like the issue may be due to how the plugin was installed. Aseprite extensions are different from standard .lua scripts. they won’t work if placed in the Scripts folder or opened directly as .lua files.

To install this plugin correctly, please try the following steps:

How to Install

There are two ways to install the extension in Aseprite:

1. Using Preferences:
   • Go to Edit > Preferences > Extensions.
   • Click the "Add Extension" button, then select the extension file.
2. Drag and Drop:
   • Simply drag and drop the extension file directly into the Aseprite window.
   • When the warning pop-up appears, click "Install" to confirm.

For more details, see the official Aseprite documentation: https://aseprite.org/docs/extensions

Compatibility Notice:

This extension was developed and tested with Aseprite v1.3.14-beta1(as of writing). Some features may not work as expected on older versions (v1.2) or the latest version (v1.3.15).

If you can confirm your Aseprite version and reinstall the extension using the steps above, I’ll be happy to assist further.

Hi Nohazure, I just installed the latest Aseprite update (v1.3.15.4) today and was able to reproduce the issue, it seems there’s a compatibility problem with the color tweening. Rest assured, I’ll release an update soon to fix it. 👍

I just installed the latest Aseprite update (v1.3.15.4) and was able to reproduce the issue , it seems there’s a compatibility problem with the color tweening. Rest assured, I’ll release an update soon to fix it. 👍

Sorry, i mean what version of Aseprite you're using.

Hi Chroniker99, thanks a lot for sharing the report and the video! 🙏

This might be related to how Aseprite handles color data between frames.

I’ve tested Tweencel on Aseprite v1.3.14-beta1, so knowing your version will help me check if it’s a compatibility issue. Could you let me know which version you’re using? I’ll try to reproduce it on my end and see what’s causing it.

Hi PokeRen, thanks for pointing it out. I’ve tested it on Aseprite v1.3.14-beta1 and everything seems to be working fine on that version. I’ll check it on the latest Aseprite build to see if something might’ve changed. Rest assured, I’ll make sure to release an update if there’s any compatibility issue.

Could you let me know which exact version of Aseprite you’re using? That’ll help me reproduce the issue more accurately.

Hi Nohazure, thanks for the feedback! 🙏

The lag or “stuck” feeling when adjusting the alpha bar happens because the slider directly updates and applies the image alpha in real time. I recommend clicking along the slider instead of dragging it to quickly jump to your desired value.

Also, unchecking “Tween Alpha” will undo the alpha changes on the currently selected cel image.

https://postimg.cc/9rczRK79

When you select an entire layer, the alpha update is applied to all cels in that layer.

So if you only want to fade a specific cel, make sure to select that cel only before changing its alpha.

🔹 To fade out:

1. Select the last cel image.
2. Adjust its alpha value.
3. Once you have the desired transparency, select all cels from first to last, then click “Create” to generate the in-between frames.

https://postimg.cc/N509CZjj

🔹 To fade in:

1. Select the first cel image.
2. Adjust its alpha value.
3. Once you have the desired transparency, select all cels from first to last, tick “Reverse order,” and click “Create.”

https://postimg.cc/t1d44z4h

edit: added GIF link for the demo. seems like gif no longer works in the comments

Thanks for noticing. Its from Parallixel

Hi kumniver, thanks for trying it out and for sharing your experience 🙏 I understand how frustrating it can feel when the result doesn’t match the examples.

Could you share a short video or GIF of what’s happening on your end? That way I can properly assess the situation and see what might be causing it.

Thank you so much!  Love hearing that, and I can’t wait to see what kind of animations you’ll make with it 😊

Thanks for the suggestion! I actually already have plans to add presets and a preview feature in a future update.

Hi Usajyx,  thanks for the feedback! I tested it on my end and the loop looks fluid (after adjusting width, speed, frame count, and direction), but it might depend on the setup. Could you share how you’re using it so I can check what’s going on? Just a note: only the ‘smooth noise’ wave type won’t loop seamlessly since it’s assigned randomly.

Thanks for the feedback. I’m actually working on improving and refining the extension further. Appreciate you pointing it out.

Hey! Thanks for the suggestion. I’ll look into adding an HSV bar option alongside HSL in a future update.

Hi Peri, thanks for reaching out! Unfortunately, I don’t have Cash App. The only options I can use at the moment are PayPal or card payments.

Thank you so much for picking up the bundle! Really hope the tools come in handy. Excited to see what you’ll create! 😊

Ahh thank you so much 🙏 I really appreciate the support and huge thanks for grabbing the bundle too! It seriously means a lot, I’ve got more ideas cooking, and I’m excited to keep making things that (hopefully) make your workflow easier and more fun 😊

Wow, this really made my day, thank you! I’ve been in that same spot of manually scrolling through long animations, and I know how much of a headache it can be. I’m really glad the extension could save you from that. Seriously, thanks for the kind words and support!

Hi! Thanks for checking it out! 😊 The download only includes the Aseprite extension itself, the pole and rope assets aren’t included. But feel free to use your own or recreate something similar.

Hey! Could you share the full error message you're getting? That'll help me understand exactly where it's coming from and what might be causing it.

Really appreciate the support! It means a lot. Hope the tools help bring your ideas to life, excited to see what you create! 😊

Oof, you just paid me in good vibes and validation 😭 thank you so much!

Thank you! I really appreciate the kind words and the suggestion.

I’ll consider adding some kind of brush-saving or preset system in a future update. Thanks again for the feedback!

Hi! I'm not exactly sure what you mean, but just to clarify, Live Brush lets you create custom brush sets from a collection of images, but it doesn't store those brushes permanently.

Instead, you can save your collection of images and use them to recreate a custom brush set whenever you need it for a project.

Thank you so much! I just finished your game, it was really fun, and I loved the storytelling. I hope there's a part 2.

Live Brush can be used with the Spray tool, but if you're asking for each spray particle to randomly pick a brush from the set, that's something I plan to add in the future. Right now, it's not possible due to API limitations. As for a UI to browse brushes, that’s an interesting idea, I’ll consider it

Hi, I'm not currently working on updates, but if I come up with new ideas or find new bugs, I'll definitely update it. If you have any suggestions, I'd be happy to consider adding them.

Hi Erans, were you able to download it? Please try again or maybe use a different browser. Thank you.

The goal is really to use mouse click, but its too tricky for now. Maybe soon on future updates ill get rid of the drawing button. Thank you for the support. Enjoy!

Hi heosphorus, it will only draw by itself if the start drawing button is active. And as for the current version youre not suppose to click the mouse,  instead you use the 'start drawing' button to draw(can be controlled with a hotkey number 2). if its still drawing even if 'start drawing' button is not active, maybe try restarting Aseprite.

Thank you so much! 😊

Hey TLiad, thank you so much for your feedback and kind words—it means a lot! I'm glad that everything is working perfectly with version 1.4. 😊

Regarding version 1.3, I appreciate the heads-up about the transitions not working as expected. It's great to know that the static option worked, but I'll make a note to double-check those features in case they need further tweaking.

Now to your suggestions:

1. Weighted Brushes for Transitions: This is an excellent idea! Adding weight ratios for brushes in random transitions sounds like a fantastic feature. I’ll start brainstorming how to integrate it and see if it can be implemented in a future update.
2. Spray Brush Compatibility: Making the transitions work with the spray brush is a bit tricky due to how Aseprite handles it. This has been on my mind while working with live brush, at the moment the spray brush properties is not yet accessible. But I’ll revisit this to see if there’s a more elegant solution beyond auto-clickers. If it’s feasible, I’ll definitely aim to include it!

Thanks again for your thoughtful suggestions and support. It’s feedback like yours that keeps me motivated to improve these tools! And shoutout to Carbs Code for all their incredible contributions as well😊

Hi TLiaD, thank you for the support and feedback 

For transitioning of the brushes from the set, you can choose the 'forward' instead of 'static' in the dropdown so that it will automatically iterate to the set of brushes going forward. The static is for you to manually switch the brushes, you may also use a hotkey 'space + q' or 'space + w' for previous and next button.

Regarding the extension not appearing both in the menu, ill have to check on that why it wont appear. But for now, please make use of the hotkey(Edit > Keyboard Shortcuts) to open both. 

Space + L for Live Brush

Ctrl + L for Live Draw

Please let me know if that helps.