unity3d - Particles not responding properly to gravity issue -

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for odd reason when apply gravity particle system, of particles fly left downward. supposed fly , down when add gravity reason why it fly s left. know problem might be?

your coordinate system broken.

gravity applied in downwards direction globally, if global down points towards left side, explain effect.

the same applies if movement not straight up. depending on how implement upwards movement, applying gravity cancel out upwards components of movement , pull particles down, if have leftwards component in movement, continue apply , result in particles drifting away.


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