secondlife / secondlife/viewer
llParticleSYstem rendering special effect incorrectly
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bug
stale
team:viewer
- Dominant language
- C++
- Stars
- 299
- Forks
- 146
- Avg merge
- 1d 9h
- Merged PRs (30d)
- 88
Description
Existing scripted object with llParticleSystem now rendering particles differently/incorrectly. Item makes use of PSYS_PART_BLEND_FUNC_SOURCE,PSYS_PART_BF_ONE_MINUS_DEST_COLOR,
PSYS_PART_BLEND_FUNC_DEST,PSYS_PART_BF_ONE_MINUS_SOURCE_COLOR, to render view behind the particles in inverse colors. A recent update has caused the particles to render the inverse view extremely bright. It is no longer a simple invert.
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Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the llParticleSystem rendering path and reproduce the effect with a scripted object using PSYS_PART_BLEND_FUNC_SOURCE, PSYS_PART_BF_ONE_MINUS_DEST_COLOR, PSYS_PART_BLEND_FUNC_DEST, and PSYS_PART_BF_ONE_MINUS_SOURCE_COLOR. Compare the current output with the expected simple inverse view; done means the particles no longer make the inverse scene extremely bright.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100