pex-gl / pex-gl/pex-math

Double check mat4.lookAt with unusual up vectors

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type/fix type/test
Dominant language
JavaScript
Stars
17
Forks
2
PR merge metrics
No merged PRs in 30d

Description

Things seem to twist with up vectors in X direction

Screenshot 2024-02-05 at 11 46 31

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First steps

  1. Read the whole issue, then the project's contributing guide.
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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the JavaScript implementation of mat4.lookAt and reproduce the reported twist with up vectors in the X direction, using the attached screenshot as context. Confirm the intended orientation for these unusual inputs, then add a regression check and resolve the behavior; no test file is named in the issue.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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