Hi, I am having trouble saving history after every change eg move, create, delete, … with lots of objects in one or many scenes Has anyone ever done that work share the idea? Thank you very much

Hello is it with regular babylon.js or using the editor?

Look up “command pattern”. Here is a javascript example I just found: [image] JavaScript command pattern for undo and redo Being able to undo and redo actions is awesome! I already knew the command pattern, but as always everything is different in JavaScript. After figuring it ou... …

I’m creating a tool for people to draw 3d objects, move, change colors and textures, … in scenes with regular babylonjs. So I’m looking for ways to save history of what they’ve done or any way to help me undo and redo those actions. eg: the object is created and edited a lot of things then deleted…

Thank you for reply. But I am having trouble saving, not the undo and redo processes

[image] HUY_HOANG: So I’m looking for ways to save history of what they’ve done or any way to help me undo and redo those actions. eg: the object is created and edited a lot of things then deleted so how to save it perfectly to undo it back to before it was deleted? [image] HUY_HOANG: Th…

sorry english is not my language. I mean, I don’t have a problem with the way undo and redo handle the order, but I have trouble saving obj and restoring it with all the changes like color, textures, position, rotation, etc. …

Do you mean save it as a file in a folder?

I want save it in the array Every time I call the “undo” I subtract the location by 1 and “redo” I will add the position by 1

As far as I can see the suggestion by @adam in How to Undo and Redo? sets up the correct structure for saving your commands and and moving through them with undo and redo. At this point there is little more I can do other than referring you back to this and asking you to read the article carefully …

How to Undo and Redo?

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adam November 18, 2019, 6:07pm 3

Look up “command pattern”.

Here is a javascript example I just found:

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How to Undo and Redo?

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