Shoot liquids out of bottle -

[cwalrus]

Hey there-

 

I have an animated champagne bottle squirting its liquid, and i'd love for the direction of the liquid to be right out of the bottle's mouth. 

 

Right now I have a flip animation squirting liquid up and right using a Velocity Impulse Force node with x=2 and y=2. It works nicely as a cheat, but I know there must be some way to get the Normal of an object pasted directly on the mouth of the bottle to direct this Velocity Impulse ... I just don't know the equation, or the workflow. 

 

For example:

 

if the Normal of one face on the bottle's mouth  = (NX, NY, NZ)

 

then I'd want to plug that into my Velocity Channels    ->    Velocity Impulse Change =  (NX, NY, NZ)

 

Does that make sense? 

 

 

I should add, the bottle is animated Geo, with an invisible sphere parented to the mouth serving as the emitter for the fluid. 

Edited December 17, 2015 by cwalrus

[Sean]

You could use the point() expression to reference a point that has the normal direction that you want and add this is into the velocity attribute.

Edited December 19, 2015 by Sean

[woodenduck]

Here's one example.

fizz.hip

Edited December 19, 2015 by woodenduck

[cwalrus]

hmmm. Not seeing anything there....

[woodenduck]

Try now.