sporadic random high spike values in movementX/Y while PointerLock / cursor visible on modal windows
Reported by
mamek...@googlemail.com,
Jul 28
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Issue descriptionUserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36 Steps to reproduce the problem: 1. enable ponterlock 2. log movementX/Y 3. move the mouse, sometimes extreme values are shown in log, not based on real mouse movement. What is the expected behavior? cursor will never be visible until pointerlock is disabled and always correct mouse movement values will be available. What went wrong? the cursor will be sometimes visible, values are not always correct. e.g. in my game the player controlled figure will suddenly run uncontrolled to any direction. this was never seen on mac or win7 systems, only win10. Did this work before? N/A Does this work in other browsers? Yes Chrome version: 67.0.3396.99 Channel: stable OS Version: 10 Flash Version: in older chrome versions this bug was more intense than in current version, but this bug exists on top of this.
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Jul 30
Thanks for filing the issue! @Reporter: Could you please provide any sample test file/URL which helps us to triage the issue in a better way. Any further inputs from your end may be helpful.
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Jul 31
Here a short video recorded with my iPhone shows the modal window problem: http://www.oxyd.games/chromeMouseBug.mov It is the same issue as: https://bugs.chromium.org/p/chromium/issues/detail?id=799710#c_ts1515239953 Here a record of my program: LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 15 1 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 20 2 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 19 1 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 13 2 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 570 -142 <<<<<<<<<<<<<<<<!!!!!!!!!!!!!!!!!!!!!!!!!!! µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 16 4 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 11 3 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 15 7 µLib.js:2558 LocalMouseMovementEvent/OxydControllers.js:25:20,31.7.2018, 20:43:16: 20 8 You can create a simple test by yourself, simple start PointerLock and record movementX and movementY. The bug appears also on windows 7. regards Meinolf PS: If you want I can give you a temporary access to my test server. There you can log the movement values by holding button 2 of the mouse.
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Jul 31
Thank you for providing more feedback. Adding the requester to the cc list. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Aug 2
Assigning to eirage@ since I believe you're familiar with some of these. Could you please investigate?
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Aug 10
Reporter: the video you linked is not reachable, could you please provide another link? Also, could you please provide the detail OS version in system information, such as: 10.0.16299.
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Aug 13
Sorry, my server was down. Please try again to download the video. The bug in the video only appears in Windows 10 and is not so significant. The most significant bug is the spike value bug. I found this bug in Windows 7 (Prof. Service Pack 1) and Windows 10 (Home 1803). In Windows 7 the bug appears since chrome 67 or 68. I never see it in former versions. With this bug my game is unplayable in chrome. :-( |
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Comment 1 by swarnasree.mukkala@chromium.org
, Jul 29