Questions tagged [animation]
The animation tag has no summary.
54 questions
1 vote
0 answers
58 views
Mesh shrinks during animation
I extracted vertex data: positions, indices, weights and bone indices, as well as animation data: inverse-bind matrices, sampler inputs and outputs, etc, from SimpleSkin.gltf I followed the tutorial ...
- 11
1 vote
0 answers
90 views
Animation issue using BVH data in OpenGL
I’m currently working on a project involving animation programming using OpenGL and BVH (Biovision Hierarchy) data for animation, and I am trying to get my head around it. I’ve run into some issues ...
- 11
2 votes
1 answer
282 views
Can you encode a reflection in a quaternion?
Say we have the transformation: \begin{bmatrix} 1 & 0 & 0\\ 0 & 0 & 1\\ 0 & 1 & 0\\ \end{bmatrix} i.e. the matrix that encodes swapping the z and y axes. This is equivalent to ...
- 1,891
2 votes
2 answers
336 views
How to apply a linear transformation to gltf data
I am trying to transform the mesh data in a gltf file and then modify the skin and animation data accordingly. Let's say we want to transform the data using a 4x4 homogeneous matrix. For ...
- 1,891
0 votes
0 answers
34 views
Animated bitmaps with 2 colours only
I want to create an animated GIF, but instead of 8-bit 256 colours, my data is comprised of binary bitmaps of black/white pixels. Can GIF accommodate this, or are pixels in GIF always 8-bit indices? I ...
- 280
1 vote
0 answers
502 views
How to plot an ADC value from the Raspberry PI Pico using pythons matplotlib
Being new to Python and this community, I am trying to plot the pulse return from a transducer. The pulse return is 400 uSecs in duration and occurs every 100 milliseconds. So far I can plot the ...
- 11
0 votes
1 answer
87 views
Animated rainbow distortion wave effect
https://foundation.app/mg/20210227-3lau-makes-history-1790 The link above shows a video animation that has a rainbow wave distortion effect applied to it, that ripples across the video. how, and in ...
- 115
1 vote
0 answers
59 views
Understanding rig joint angle definitions in Blender
I am trying to transfer some mocap data from one skeleton to another one. However, the skeletons have different rest poses (one has T-pose, and the other some other one), so I am trying to convert the ...
- 111