Actions should be linked to particular objects #45808

New Issue

Mark McKay · 2015-08-15T18:03:57+02:00

Mark McKay commented

2015-08-15 18:03:57 +02:00

I've been writing a scene exporter for the last week and been learning the basics of the python API by examining the different data blocks that Blender presents to the user. Anyhow, I noticed how the Action blocks to not depend in any way on any particular Object.

This strikes me as really weird. Worse, it's ambiguous since if I iterate through the list of all actions in a scene they can potentially be assigned to every object in the scene. I could create an 'UpAndDown' animation action for a mesh in my scene and it would be just as valid for every other mesh. I could even apply it to a material if I wanted, even though that would make even less sense. (For my exporter, I just have to guess which actions are appropriate for which objects based on the property paths of their fcurves).

This behavior is unlike other 3D packages such as Maya. While I can understand changing something like this could be very disruptive, I would hope the designers would consider it if they ever overhaul the animation system.

I've been writing a scene exporter for the last week and been learning the basics of the python API by examining the different data blocks that Blender presents to the user. Anyhow, I noticed how the Action blocks to not depend in any way on any particular Object. This strikes me as really weird. Worse, it's ambiguous since if I iterate through the list of all actions in a scene they can potentially be assigned to every object in the scene. I could create an 'UpAndDown' animation action for a mesh in my scene and it would be just as valid for every other mesh. I could even apply it to a material if I wanted, even though that would make even less sense. (For my exporter, I just have to guess which actions are appropriate for which objects based on the property paths of their fcurves). This behavior is unlike other 3D packages such as Maya. While I can understand changing something like this could be very disruptive, I would hope the designers would consider it if they ever overhaul the animation system.

Mark McKay commented

2015-08-15 18:03:57 +02:00

Changed status to: 'Open'

Mark McKay commented

2015-08-15 18:03:57 +02:00

Added subscriber: @kitfox

Joshua Leung commented

2015-08-16 02:46:51 +02:00

Added subscriber: @JoshuaLeung

Joshua Leung commented

2015-08-16 02:46:51 +02:00

Changed status from 'Open' to: 'Archived'

Joshua Leung closed this issue

2015-08-16 02:46:51 +02:00

Joshua Leung self-assigned this 2015-08-16 02:46:51 +02:00

Joshua Leung commented

2015-08-16 02:46:51 +02:00

As of 2.74, you should be able to find the actions associated with particular objects stored in the NLA stacks for those objects.

http://wiki.blender.org/index.php/User:Aligorith/27X_ActionManagement

As of 2.74, you should be able to find the actions associated with particular objects stored in the NLA stacks for those objects. http://wiki.blender.org/index.php/User:Aligorith/27X_ActionManagement

Sign in to join this conversation.

No Label

Download

What's New

Blender Studio

Manual

Developers Blog

Documentation

Benchmark

Blender Conference

Development Fund

One-time Donations

Actions should be linked to particular objects #45808