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Fixed in Unity 2018.2

Votes

0

Found in

2017.3.0f3

Issue ID

985049

Regression

Yes

Particle Collision not detected when Particle System is negative in scale

Shuriken

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Priority: 2Necessary for shipping a final release

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Severity: 4Minor or cosmetic issue

To reproduce:
1. Open attached Unity project "ParticleCollisionBug.zip"
2. Open "demoscene" scene
3. Go into Play mode
4. Inspect the particles colliding and bouncing
5. Click "Mirror" which sets particle system's x scale to -1

Expected result: The particles should collide with the platform
Actual result: with the scale set to negative, particles ignore the collision (see attached gif "particles.gif")

Regression first introduced in: 2017.3.0b1
Not reproduce on: 2017.1.2p4, 2017.2.1p1, 2017.3.0a7
Reproduced on: 2017.3.0b1, 2017.3.0p1, 2018.1.0b1

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