Tagged Questions

1
vote
0answers
153 views

what space is this Matrix in?

In Blender 2.6 API, PoseBone is used for animating a bone. PoseBone.matrix is one way to do that. API says PoseBone.matrix is in "object space". ...
4
votes
1answer
279 views

apply non-hierarchial transforms to hierarchial skeleton?

I use Blender3D, but the answer might not API-exclusive. I have some matrices I need to assign to PoseBones. The resulting pose looks fine when there is no bone hierarchy (parenting) and messed up ...
0
votes
0answers
95 views

Blender poseBone matrix from animation matrix?

Given an animation matrix for a bone in armature-space, how to calculate the "matrix" of poseBone from it and assign it in Blender? Basically by bones can have parents, but all animation matrices in ...
0
votes
0answers
305 views

Calculating the correct roll from a bone transform matrix

Read this forum topic for more info: http://blenderartists.org/forum/showthread.php?260602-transform-matrix-to-bone-%28head-tail-roll%29-bug I'm trying to get my Blender3d modeller importer to create ...
1
vote
1answer
321 views

importing animations in Blender, weird rotations/locations

This is for the Blender 2.6 API. There are two problems: 1. When I import a single animation frame from my animation file to Blender, all bones look fine. But when I import multiple (all of the ...
0
votes
2answers
286 views

getting bone base and tip positions from a transform matrix?

I need this for a Blender3d script, but you don't really need to know Blender to answer this. I need to get bone head and tip positions from a transform matrix read from a file. The position of base ...
3
votes
0answers
144 views

Blender - creating bones from transform matrices

Notice: this is for the Blender 2.5/2.6 API. Back in the old days in the Blender 2.4 API, you could easily create a bone from a transform matrix in your 3d file as EditBones had an attribute named ...
2
votes
2answers
828 views

How to port animation from one skeleton to another?

While I need to do this in a Blender3D modeler script, the math should be similar for other modelers or realtime engines. Blender3D specific terminology: Armature = skeleton EditBone = rest pose bone ...