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republicavfx
05-12-2010, 02:58 AM
need an idea or 2 how to do the following effect...ive been trying lots of different techniques but not quite pulling it off.

cup of coffee with steam that rises and then moves ,with some motivation, across the table bouncing off various objects. the client wants it to feel directed or ...eek.. have some personality. its several long shots for a big coffee company

forgetting about personality for the moment, ive been using curve flows as fluid emitters and get some nice looks but the problem is that the leading edge of the steam is the emitter and client wants the emitter to be the cup and the steam to have the motivation. im almost looking for a fluid goal or something to drive the fluid after its been emitted.

playing around with motion fields now..but anyone have any good ideas on how to do it

thanks in advance

Axelson
05-12-2010, 10:41 AM
You could probably try with a newton field wich you animate. or try making a nurbs surface from a cv curve wich you animate, then use that as source of field.

Goals is another way to do it since particles can be used to attach fields on. position the goals u want and then have some particles with fields on them. animate the goal weight for each position and then let the fields themself affect the fluid sim.

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05-12-2010, 10:41 AM
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