Comments (5)
GeraldWodni
commented on June 8, 2024
1
I can confirm that, the demo computes fine until the ballBody hits the ground.
I just built the 7.0.3 release on arch linux using gcc 13.2.1
(BTW: As far as I can tell this seems to be the only proper physics library written in pure C, which makes it quite unique and wonderful.)
here is my output:
Time is 0.00. ballBody is at ( 0.00, 15.00). It's velocity is ( 0.00, 0.00)
Time is 0.02. ballBody is at ( 0.00, 15.00). It's velocity is ( 0.00, -1.67)
Time is 0.03. ballBody is at ( 0.00, 14.97). It's velocity is ( 0.00, -3.33)
Time is 0.05. ballBody is at ( 0.00, 14.92). It's velocity is ( 0.00, -5.00)
Time is 0.07. ballBody is at ( 0.00, 14.83). It's velocity is ( 0.00, -6.67)
Time is 0.08. ballBody is at ( 0.00, 14.72). It's velocity is ( 0.00, -8.33)
Time is 0.10. ballBody is at ( 0.00, 14.58). It's velocity is ( 0.00, -10.00)
Time is 0.12. ballBody is at ( 0.00, 14.42). It's velocity is ( 0.00, -11.67)
Time is 0.13. ballBody is at ( 0.00, 14.22). It's velocity is ( 0.00, -13.33)
Time is 0.15. ballBody is at ( 0.00, 14.00). It's velocity is ( 0.00, -15.00)
Time is 0.17. ballBody is at ( 0.00, 13.75). It's velocity is ( 0.00, -16.67)
Time is 0.18. ballBody is at ( 0.00, 13.47). It's velocity is ( 0.00, -18.33)
Time is 0.20. ballBody is at ( 0.00, 13.17). It's velocity is ( 0.00, -20.00)
Time is 0.22. ballBody is at ( 0.00, 12.83). It's velocity is ( 0.00, -21.67)
Time is 0.23. ballBody is at ( 0.00, 12.47). It's velocity is ( 0.00, -23.33)
Time is 0.25. ballBody is at ( 0.00, 12.08). It's velocity is ( 0.00, -25.00)
Time is 0.27. ballBody is at ( 0.00, 11.67). It's velocity is ( 0.00, -26.67)
Time is 0.28. ballBody is at ( 0.00, 11.22). It's velocity is ( 0.00, -28.33)
Time is 0.30. ballBody is at ( 0.00, 10.75). It's velocity is ( 0.00, -30.00)
Time is 0.32. ballBody is at ( 0.00, 10.25). It's velocity is ( 0.00, -31.67)
Time is 0.33. ballBody is at ( 0.00, 9.72). It's velocity is ( 0.00, -33.33)
Time is 0.35. ballBody is at ( 0.00, 9.17). It's velocity is ( 0.00, -35.00)
Time is 0.37. ballBody is at ( 0.00, 8.58). It's velocity is ( 0.00, -36.67)
Time is 0.38. ballBody is at ( 0.00, 7.97). It's velocity is ( 0.00, -38.33)
Time is 0.40. ballBody is at ( 0.00, 7.33). It's velocity is ( 0.00, -40.00)
Time is 0.42. ballBody is at ( 0.00, 6.67). It's velocity is ( 0.00, -41.67)
Time is 0.43. ballBody is at ( 0.00, 5.97). It's velocity is ( 0.00, -43.33)
Time is 0.45. ballBody is at ( 0.00, 5.25). It's velocity is ( 0.00, -45.00)
Time is 0.47. ballBody is at ( 0.00, 4.50). It's velocity is ( 7.32, -1.83)
(here the program hangs indefinitely)
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slembcke
commented on June 8, 2024
Hmm. It seems to stuck in recursion in cpSpaceProcessComponents(), but only using GCC 13? I poked at it for a while, but not quite sure what's going on yet.
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slembcke
commented on June 8, 2024
I don't have a fix for this yet, and haven't had much time to work on it.
As a workaround you can do space->sleepTimeThreshold = INFINITY to disable object sleeping as a temporary workaround.
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OTube
commented on June 8, 2024
@slembcke Check the new pull request please.
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Kolaz19
commented on June 8, 2024
I tried the workaround, but still get the freeze.
I can not directly access the members of space.
Instead I call cpSpaceSetSleepTimeThreshold(space, INFINITY).
Is there an update on this?
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Related Issues (20)
- [Documentation] cpPolyShapeGetCount typo in docs
- Licensing confusion HOT 1
- cpSpaceSegmentQueryFirst returns wrong normal If a segment query starts within a shape
- Leaking memory on sleeping bodies
- Can new version tag be released including the sys/sysctl.h related fix? HOT 1
- Reproducable state & serialization of space
- Stackoverflow in SubtreeInsert when adding too many shapes to a space.
- simulating rolling friction with Chipmunk2D for a top-down game HOT 8
- Segment query first, sometimes failing HOT 9
- The demo crashes whether it's built with gcc or visual studio HOT 3
- Perf improvements HOT 5
- Add constraint between two static bodies which are later changed to dynamic does not work HOT 5
- Freezes when static body collides HOT 5
- Assessment of the difficulty in porting CPU architecture for chipmunk2D HOT 2
- Crash in debug mode using MSVC 2022 HOT 1
- Collisions and sleep HOT 1
- Is there a reason why maxForce doesnt apply to DampedSpring and DampedRotarySpring?
- Is there formatting config/rules used on Chipmunk2D? HOT 2
- Total impulse of cpDampedRotarySpring is wrong, it adds the damping instead of subtracting it.
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