Uploaded image for project: 'Minecraft: Java Edition'
  1. Minecraft: Java Edition
  2. MC-149630

Some particles have very thin, vertical lines that flash in and out around the particles

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • Minecraft 1.14, Minecraft 1.14.2, 1.15 Pre-release 6, 1.15.1 Pre-release 1, 1.15.2, 20w48a, 1.20.5, 24w39a, 1.21.4 Release Candidate 3, 1.21.4
    • None
    • Community Consensus
    • Particles, Rendering

      The particle atlas can slightly leak causing particle textures to be incorrect, having a thin line of the neighbouring texture.
      In older versions of Minecraft this apparently affected campfire smoke, without need for resourcepacks.

      It can be triggered in modern versions still with resource packs.
      Note: The lines aren't caused by the resource pack, as the rsp doesn't change water particles. The rsp simply triggers the atlas leak which is a vanilla problem.

      Steps to reproduce

      • Load this rsp sus.zip
        • This rsp only contains custom textures for explosion and enchanting table particles
      • Place water in a hole with soulsand in it
      • Observe the water surface as you bob up and down in the water
        Minecraft 2024.11.29 - 21.43.17.02.mp4

      Observed results

      • White lines appear on your screen

      • You can verify it's indeed a problem with particles by setting particles to minimal.

      Expected results

      • Particle textures wouldn't be broken

        1. 2019-12-07_223913_mpv.png
          2019-12-07_223913_mpv.png
          189 kB
        2. 2019-12-07_224323_mpv.png
          2019-12-07_224323_mpv.png
          78 kB
        3. Minecraft 2024.11.29 - 21.43.17.02.mp4
          9.71 MB
        4. out.mp4
          3.44 MB
        5. Shotcut_00_00_05_000.png
          Shotcut_00_00_05_000.png
          230 kB
        6. Shotcut_00_00_07_683.png
          Shotcut_00_00_07_683.png
          268 kB
        7. sus.zip
          27 kB

            Unassigned Unassigned
            Ceresjanin123 Ceresjanin123
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              Created:
              Updated:
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