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Particular reflection on ground plane : Needs to rotate in sync with AE Camera

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Eric Bowman
Particular reflection on ground plane : Needs to rotate in sync with AE Camera
on Dec 19, 2008 at 7:44:44 pm

I can not set a negative gravity on Auxilary particles. Is there a way to do this? I can set gravity to negative values for the primary particle system but not the Aux.

I need to do this so that I can fake a reflection of Particular fireworks onto a ground plane. I want to have one layer shoot up and the second layer invert the movement vertically, so it looks like a reflection on the ground. I know i could fake a reflection in 2D by precomping, and setting the vertical scale to -100, but I need to fly a 3D camera through the fireworks. I can get the movement mirrored, but the gravity of the aux particles always goes down. For it to look right, the 'reflected' particles need to travel upwards instead of down.

Any suggestions?

Eric Bowman


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