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  1. Minecraft: Java Edition
  2. MC-127749

Cape is jittering; movement way sharper than in snapshot 18w03b

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 23w05a
    • Minecraft 18w11a, Minecraft 1.13, Minecraft 18w30a, Minecraft 18w30b, Minecraft 18w31a, Minecraft 18w32a, Minecraft 18w33a, Minecraft 1.13.1, Minecraft 1.13.2-pre1, Minecraft 1.13.2-pre2, Minecraft 1.13.2, Minecraft 18w43b, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 19w04b, Minecraft 19w05a, Minecraft 19w12b, Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14 Pre-Release 1, Minecraft 1.14.4 Pre-Release 3, Minecraft 1.14.4 Pre-Release 4, Minecraft 1.14.4 Pre-Release 5, Minecraft 1.14.4 Pre-Release 6, 1.14.4, 19w46b, 1.15, 1.15.1, 1.15.1 Pre-release 1, 1.15.2, 20w07a, 20w09a, 20w11a, 20w17a, 1.16 Pre-release 2, 1.16 Pre-release 3, 1.16 Pre-release 6, 1.16 Pre-release 7, 1.16 Pre-release 8, 1.16 Release Candidate 1, 1.16, 1.16.1, 1.16.2 Release Candidate 1, 1.16.2 Release Candidate 2, 1.16.2, 1.16.3, 1.16.4, 20w46a, 1.16.5, 21w05b, 21w15a, 21w16a, 21w17a, 21w19a, 21w20a, 1.17 Release Candidate 1, 1.17.1, 21w40a, 21w41a, 21w43a, 21w44a, 1.18 Pre-release 5, 1.18 Pre-release 6, 1.18 Release Candidate 1, 1.18 Release Candidate 3, 1.18, 1.18.1, 22w03a, 22w05a, 1.18.2, 1.19 Pre-release 5, 1.19, 1.19.1 Pre-release 4, 1.19.2, 22w43a, 1.19.3 Pre-release 1, 1.19.3 Pre-release 3, 1.19.3
    • Confirmed
    • Player Animation, Rendering
    • Normal

      Steps To Reproduce:

      • Join any Minecraft world
      • Toggle perspective mode, so you can see your cape
      • Now start walking with sprint and press W+A or W+D 
      • Move your mouse in the direction you're walking (it should look like you're walking in circles)
      • Observe how weirdly the cape behaves

      Expected Result: Smooth cape movement animation, just as it was before snapshot 18w05a
      Actual Result: Cape animation is jittering

      Video demonstrating the issue: YouTube Video 

      Additional Information:

      After a few checks, I found that the first time when the bug appeared in a game was in a snapshot 18w05a, but before that version, there was a snapshot 18w03b where everything was fine with a cape.

      Code Analysis:
      Code analysis by LabyStudio can be found in this comment.

        1. 2018-11-30 17-32-20.mp4
          3.61 MB
        2. diff.png
          diff.png
          71 kB
        3. MC-127749.mp4
          6.11 MB
        4. MC-127749.png
          MC-127749.png
          862 kB

            gegy1000 [Mojang] Gegy
            FuzeyFuze kadosawa
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              Created:
              Updated:
              Resolved:
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