microsoft / microsoft/MixedReality-GraphicsTools-Unity

CanvasElementRoundedRect vanishes when Canvas is rotated 90 degrees to camera

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bug
Dominant language
C#
Stars
209
Forks
49
PR merge metrics
No merged PRs in 30d

Description

Describe the bug

When rotating a worldspace canvas containing CanvasElementRoundedRect, the element vanishes when rotated exactly 90 degrees to the camera.

To reproduce

Add a worldspace Canvas
Add and configure a CanvasElementRoundedRect
Add a ConstantRotator or similar basic rotation animation to the Canvas

Expected behavior

CanvasElementRoundedRect does not vanish when rotated exactly 90 degrees

  • Unity Version 2021.3.9
  • Graphics Tools Version 0.5.1

Target platform (please complete the following information)

  • UWP, Standalone

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue in Unity 2021.3.9 with a worldspace Canvas, CanvasElementRoundedRect, and a ConstantRotator or similar animation, using the rotation described in the report. Investigate the CanvasElementRoundedRect rendering path and verify that the element remains visible when the canvas is rotated exactly 90 degrees to the camera.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, unity
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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