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Leash particles rending is bugged #190

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opened 2026-09-29 23:23:07 +00:00 by Silverfoot · 2 comments

Silverfoot commented

2026-09-29 23:23:07 +00:00

Environment

Brought to you by Sky Line

Slipstream Beta 0.12.0.34 (64bit) (SSE4_2)
Release Notes

You are at 30.1, 194.3, 16.0 in Cloudsdale located at simhost-061b924b29c289732.agni
SLURL: http://maps.secondlife.com/secondlife/Cloudsdale/30/194/16
(global coordinates 207390.0, 295362.0, 16.0)
Second Life Server 2026-08-03.30838755483
Release Notes

CPU: AMD Ryzen 7 3700X 8-Core Processor (4426.67 MHz)
Memory: 31989 MB
Concurrency: 16
OS Version: Linux 7.2.7-arch1-1 #1 SMP PREEMPT_DYNAMIC Mon, 21 Sep 2026 18:51:14 +0000 x86_64
Graphics Card Vendor: ATI
Graphics Card: AMD Radeon RX 6700 XT (RADV NAVI22)

Vulkan Version: 1.4.354
Ray Tracing: enabled

Window size: 1920x1008
Font Size Adjustment: 96pt
UI Scaling: 1
Draw distance: 512m
Bandwidth: 3000kbit/s
LOD factor: 2
Render quality: 6
Texture memory: 12032MB
Disk cache: Max size 5734.4 MB (4.1% used)

RestrainedLove API: RLV v3.4.3 / RLVa v2.5.0.34
libcurl Version: libcurl/7.54.1 OpenSSL/1.1.1w zlib/1.3.1.zlib-ng nghttp2/1.66.0
J2C Decoder Version: OpenJPEG Runtime: 2.4.0
Audio Driver Version: OpenAL, version 1.1 ALSOFT 1.24.3 / OpenAL Community / OpenAL Soft: OpenAL Soft
Dullahan: 1.23.0.202509121212
CEF: 140.1.13+g5eb3258+chromium-140.0.7339.41
Chromium: 140.0.7339.41
LibVLC Version: 3.0.20
Voice Server Version: Secondlife WebRTC Gateway

Compiler Version: GCC 140200
Packets Lost: 14/88285 (0.0%)
September 29 2026 16:18:17

Description

When leashed and walking around, the leash appears to be floating/drawn around without any actual physics, after which it just fades away (after a few seconds)

Reproduction steps

Equip collar
Get leashed
Walk

Expected: in firestorm the leash hangs in a parabole, which is to be expected from physics interacting with the leash
Actual: it just floats around as shown in the picture

### Environment Brought to you by Sky Line Slipstream Beta 0.12.0.34 (64bit) (SSE4_2) Release Notes You are at 30.1, 194.3, 16.0 in Cloudsdale located at simhost-061b924b29c289732.agni SLURL: http://maps.secondlife.com/secondlife/Cloudsdale/30/194/16 (global coordinates 207390.0, 295362.0, 16.0) Second Life Server 2026-08-03.30838755483 Release Notes CPU: AMD Ryzen 7 3700X 8-Core Processor (4426.67 MHz) Memory: 31989 MB Concurrency: 16 OS Version: Linux 7.2.7-arch1-1 #1 SMP PREEMPT_DYNAMIC Mon, 21 Sep 2026 18:51:14 +0000 x86_64 Graphics Card Vendor: ATI Graphics Card: AMD Radeon RX 6700 XT (RADV NAVI22) Vulkan Version: 1.4.354 Ray Tracing: enabled Window size: 1920x1008 Font Size Adjustment: 96pt UI Scaling: 1 Draw distance: 512m Bandwidth: 3000kbit/s LOD factor: 2 Render quality: 6 Texture memory: 12032MB Disk cache: Max size 5734.4 MB (4.1% used) RestrainedLove API: RLV v3.4.3 / RLVa v2.5.0.34 libcurl Version: libcurl/7.54.1 OpenSSL/1.1.1w zlib/1.3.1.zlib-ng nghttp2/1.66.0 J2C Decoder Version: OpenJPEG Runtime: 2.4.0 Audio Driver Version: OpenAL, version 1.1 ALSOFT 1.24.3 / OpenAL Community / OpenAL Soft: OpenAL Soft Dullahan: 1.23.0.202509121212 CEF: 140.1.13+g5eb3258+chromium-140.0.7339.41 Chromium: 140.0.7339.41 LibVLC Version: 3.0.20 Voice Server Version: Secondlife WebRTC Gateway Compiler Version: GCC 140200 Packets Lost: 14/88285 (0.0%) September 29 2026 16:18:17 ### Description When leashed and walking around, the leash appears to be floating/drawn around without any actual physics, after which it just fades away (after a few seconds) ### Reproduction steps 1. Equip collar 2. Get leashed 3. Walk Expected: in firestorm the leash hangs in a parabole, which is to be expected from physics interacting with the leash Actual: it just floats around as shown in the picture

Screenshot_20260930_011526.png

1 MiB

Screenshot_20260930_011526.png

1 MiB

Silverfoot added the

bug

label

2026-09-29 23:23:07 +00:00

Silverfoot changed title from ~~Leash particles rending~~ to Leash particles rending is bugged

2026-09-29 23:33:30 +00:00

Silverfoot commented

2026-09-29 23:33:58 +00:00

Author

Not 100% sure but it seems to happen regardless of ray tracing? Idk if that could be an issue

sky_line referenced this issue from a commit

2026-09-30 00:38:54 +00:00

VK particles: ribbons chain through live particles (leashes reach the holder)

sky_line closed this issue

2026-09-30 00:38:54 +00:00

sky_line referenced this issue from a commit

2026-09-30 00:38:54 +00:00

VK particles: ribbons emit on the burst timer (no distance gate)

sky_line commented

2026-09-30 00:39:01 +00:00

Owner

Fixed and confirmed in-world (pushed: 9e31e852ce, 0703583d00). Two causes: (1) our GPU ribbons joined the source's frozen spawn points instead of chaining through the live particles, so the leash never reached the holder; (2) a leftover CPU distance gate only emitted a ribbon point after the source moved 10 cm, so a still wearer's leash stopped rendering and a walking one was chunky. Ribbons now chain like LL and emit on the burst timer. Thanks for the report!

Fixed and confirmed in-world (pushed: 9e31e852ce, 0703583d00). Two causes: (1) our GPU ribbons joined the source's frozen spawn points instead of chaining through the live particles, so the leash never reached the holder; (2) a leftover CPU distance gate only emitted a ribbon point after the source moved 10 cm, so a still wearer's leash stopped rendering and a walking one was chunky. Ribbons now chain like LL and emit on the burst timer. Thanks for the report!

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sky_line/Slipstream#190

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