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Dynamic override acceleration vector

Hi, 
How can I change the acceleration vector in runtime?

For example, I have a wind vector Vector3D(100, 0, 100), and in runtime it can be updated, so, 

how I can apply changes of wind to particle effect? 
Is there a way to do this?

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1222 views    2 comments

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Liao Cheng 2014-03-25

It's a state-less particle system rather than state-accumulated system. If you change the parameter on the fly, you will see some wired behavior.

Liao Cheng 2014-03-25

Hello I think it's not possible in this particle system. This particle system calculate the particle position according to some time-related formula. For example, acceleration: s=0.5*a*t*t; Supposing the current time "t=1", you change acceleration "a" from 1 to 10. And then "s" will leap a long distance from 0.5 to 5.

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