Details
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Bug
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Resolution: Done
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P2: Important
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QDS 2.2 Beta1
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None
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1
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aef13a5dcdf557ea8afd95b4c20c593f4d56cb09 (qt-creator/qt-creator/5.0)
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QDS 3D - 2021 Week 31/32
Description
3D Particle system running on QDS stops running after ~20 seconds. The reason for breakage seems to be overflowing the ParticleSystem3D.time parameter. It is supposed to be milliseconds, and when running in standalone application, it is, but for some reason this time is massively accelerated when running inside QDS, leading to integer overflow in ~20 seconds.
To repro, add the following code to View3D scene:
ParticleSystem3D {
id: psystem
x: 200
}
ParticleEmitter3D {
system: psystem
emitRate: 10
particleScale: 20
particleRotationVariation: Qt.vector3d(0, 0, 180)
particleRotationVelocityVariation: Qt.vector3d(0, 0, 40)
particle: spriteParticle
}
SpriteParticle3D {
id: spriteParticle
}
Attachments
Issue Links
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| For Gerrit Dashboard: QDS-4801 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 364518,2 | QmlDesigner: Block some 3D particle system property changes | 5.0 | qt-creator/qt-creator | Status: ABANDONED | -1 | 0 |
| 364775,3 | Allow disabling particle system updates globally | dev | qt/qtquick3d | Status: MERGED | +2 | 0 |
| 364789,3 | QmlDesigner: Disable 3D particle systems from running on puppets | 5.0 | qt-creator/qt-creator | Status: MERGED | +2 | 0 |
| 364923,2 | Allow disabling particle system updates globally | 6.2 | qt/qtquick3d | Status: MERGED | +2 | 0 |